PUA_SYSTEMCARE.GA
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This potentially unwanted application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
Arrival Details
This potentially unwanted application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This potentially unwanted application creates the following folders:
- %User Temp%\is-I9IL7.tmp
- %User Temp%\is-UI405.tmp
- %User Temp%\is-UI405.tmp\_isetup
- %Program Files%\System Care
- %Program Files%\System Care\x64
- %Program Files%\System Care\x86
- %User Profile%\Application Data\globalpcworks.com
- %User Profile%\globalpcworks.com\System Care
- %User Profile%\Application Data\FileOpenerWindows
- %User Profile%\FileOpenerWindows\x64
- %User Profile%\FileOpenerWindows\x86
- %User Profile%\Application Data\GPCWValidator
- %User Profile%\Application Data\SCAppManager
- %Start Menu%\Programs\System Care
- %User Profile%\System Care\smico
- %User Profile%\CryptnetUrlCache\MetaData
- %User Profile%\Microsoft\CryptnetUrlCache
- %User Profile%\CryptnetUrlCache\Content
Autostart Technique
This potentially unwanted application adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
System Care_Logon = "%Program Files%\System Care\gpcw.exe startupshow"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
System Care_Logon = "%Program Files%\System Care\gpcw.exe startupshow"
Other System Modifications
This potentially unwanted application deletes the following files:
- %Start Menu%\Programs\System Care\System Care.pif
- %Start Menu%\Programs\System Care\System Care.url
- %Start Menu%\Programs\System Care\Buy System Care.pif
- %Start Menu%\Programs\System Care\Buy System Care.url
- %Start Menu%\Programs\System Care\Uninstall System Care.pif
- %Start Menu%\Programs\System Care\Uninstall System Care.url
- %Desktop%\System Care.pif
- %Desktop%\System Care.url
(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It deletes the following folders:
- %Start Menu%\Programs\globalpcworks.com
It adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\globalpcworks.com\
System Care
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
HKEY_LOCAL_MACHINE\Software\ussc-pr
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care\1.0.0.11331
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
HKEY_LOCAL_MACHINE\Software\GPCWValidatorService\
GPCWValidatorService
HKEY_LOCAL_MACHINE\Software\Z2xvYmFscGN3b3Jrcy5jb20=\
U3lzdGVtIENhcmU=\ACT
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\Eventlog\Application\
GPCWValidator
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\opendlg
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\opendlg\
command
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO = "(855)-332-0124"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
ISTELNO = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
issilent = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
affired = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
showwfo = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
wfoset = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
pxl = "FHP887_FHP870_FHP495"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
prereg = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
showtn = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
delay = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
cbkpoff = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
showunins = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
utm_source = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
utm_campaign = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
utm_medium = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
pxl = "fhp887_fhp870_fhp495"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
utm_source = "fhposcw"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
utm_campaign = "fhposcw"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
utm_medium = "fhposcw"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
pxl = "fhp887_fhp870_fhp495"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
utm_source = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
utm_campaign = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
utm_medium = "fhposcw"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
pxl = "fhp887_fhp870_fhp495"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_us = "(855)-332-0124"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_uk = "0800-031-5066"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_gb = "0800-031-5066"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_au = "(61)280-733403"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_fr = "(334)-88627945"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_de = "(800)-180-0926"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_at = "(800)-180-0926"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_ch = "(800)-180-0926"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_lu = "(800)-180-0926"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_jp = "0120-98192-7"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
TELNO_ja = "0120-98192-7"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
PurchaseURL = "http://www.{BLOCKED}pcworks.com/sc/price.asp?"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
RenewURL = "http://www.{BLOCKED}pcworks.com/sc/renewal.asp?"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
WebURL = "http://www.{BLOCKED}pcworks.com"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
EmailURL = "support@globalpcworks.com"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
supporturl = "http://www.{BLOCKED}pcworks.com/help"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
Installstring = "%Program Files%\System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
Installstring = "%Program Files%\System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Inno Setup: Setup Version = "5.5.5 (u)"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Inno Setup: App Path = "%Program Files%\System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
InstallLocation = "%Program Files%\System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Inno Setup: Icon Group = "System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Inno Setup: User = "Wilbert"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Inno Setup: Language = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
DisplayName = "System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
DisplayIcon = "%Program Files%\System Care\gpcw.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
UninstallString = "%Program Files%\System Care\unins000.exe "
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
QuietUninstallString = "%Program Files%\System Care\unins000.exe /SILENT"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
DisplayVersion = "1.0.0.11331"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
Publisher = "globalpcworks.com"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
URLInfoAbout = "http://www.{BLOCKED}pcworks.com"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
HelpLink = "http://www.{BLOCKED}pcworks.com/help"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
NoRepair = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
InstallDate = "20160719"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
MajorVersion = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
MinorVersion = "0"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
InstallString = "%Program Files%\System Care"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
InstallString = "%Program Files%\System Care"
HKEY_CURRENT_USER\Software\globalpcworks.com\
System Care
LangCode = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
LangCode = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
LangCode = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
afterInstallUrl = "http://www.{BLOCKED}pcworks.com/sc/afterinstall/?"
HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
country = "us"
HKEY_LOCAL_MACHINE\SOFTWARE\GPCWValidatorService\
GPCWValidatorService
country = "us"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
affired = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Z2xvYmFscGN3b3Jrcy5jb20=\
U3lzdGVtIENhcmU=\ACT
data = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
reg = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
expired = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
x-ccode = "us"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
country = "us"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\Eventlog\Application\
GPCWValidator
EventMessageFile = "%Windows%\Microsoft.NET\Framework\v2.0.50727\EventLogMessages.dll"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\openas\
command
windowsfileopener.Dat = "%System%\rundll32.exe %System%\shell32.dll,OpenAs_RunDLL %1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\opendlg
MultiSelectModel = "Single"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\opendlg\
command
windowsfileopener.Dat = "%System%\rundll32.exe %System%\shell32.dll,OpenAs_RunDLL %1"
HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\
System Care
hdata = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
DE28F4A4FFE5B92FA3C503D1A349A7F9962A8212
Blob = "{random values}"
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\Eventlog\Application
Sources = "{random characters}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4EFCED9C6BDD0C985CA3C7D253063C5BE6FC620C
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4EF2E6670AC9B5091FE06BE0E5483EAAD6BA32D9
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4C95A9902ABE0777CED18D6ACCC3372D2748381E
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4BA7B9DDD68788E12FF852E1A024204BF286A8F6
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4B421F7515F6AE8A6ECEF97F6982A400A4D9224E
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
47AFB915CDA26D82467B97FA42914468726138DD
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4463C531D7CCC1006794612BB656D3BF8257846F
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
43F9B110D5BAFD48225231B0D0082B372FEF9A54
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
43DDB1FFF3B49B73831407F6BC8B975023D07C50
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
40E78C1D523D1CD9954FAC1A1AB3BD3CBAA15BFC
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
4072BA31FEC351438480F62E6CB95508461EAB2F
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
3F85F2BB4A62B0B58BE1614ABB0D4631B4BEF8BA
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
394FF6850B06BE52E51856CC10E180E882B385CC
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
36863563FD5128C7BEA6F005CFE9B43668086CCE
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
2F173F7DE99667AFA57AF80AA2D1B12FAC830338
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
284F55C41A1A7A3F8328D4C262FB376ED6096F24
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
273EE12457FDC4F90C55E82B56167F62F532E547
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
24BA6D6C8A5B5837A48DB5FAE919EA675C94D217
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
24A40A1F573643A67F0A4B0749F6A22BF28ABB6B
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
23E594945195F2414803B4D564D2A3A3F5D88B8C
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
216B2A29E62A00CE820146D8244141B92511B279
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
209900B63D955728140CD13622D8C687A4EB0085
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
1F55E8839BAC30728BE7108EDE7B0BB0D3298224
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
1331F48A5DA8E01DAACA1BB0C17044ACFEF755BB
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
0B77BEBBCB7AA24705DECC0FBD6A02FC7ABD9B52
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
049811056AFE9FD0F5BE01685AACE6A5D1C4454C
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
0483ED3399AC3608058722EDBC5E4600E3BEF9D7
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
00EA522C8A9C06AA3ECCE0B4FA6CDC21D92E8099
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\AuthRoot\Certificates\
0048F8D37B153F6EA2798C323EF4F318A5624A9E
Blob = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
It deletes the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
System Care_is1
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
System Care_is1
Dropping Routine
This potentially unwanted application drops the following files:
- %User Temp%\is-i9il7.tmp\{malware file name}.tmp
- %User Temp%\is-UI405.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-UI405.tmp\_isetup\_iscrypt.dll
- %User Temp%\is-UI405.tmp\isxdl.dll
- %Program Files%\System Care\unins000.dat
- %Program Files%\System Care\is-1BP98.tmp
- %Program Files%\System Care\is-89D10.tmp
- %Program Files%\System Care\is-V26AS.tmp
- %Program Files%\System Care\is-JGTSK.tmp
- %Program Files%\System Care\is-40OMJ.tmp
- %Program Files%\System Care\is-3NVUM.tmp
- %Program Files%\System Care\is-G2I6C.tmp
- %Program Files%\System Care\is-JER90.tmp
- %Program Files%\System Care\is-F5M3D.tmp
- %Program Files%\System Care\x64\is-UC79L.tmp
- %Program Files%\System Care\x86\is-ISSK5.tmp
- %Program Files%\System Care\is-2JC10.tmp
- %Program Files%\System Care\is-VJOQC.tmp
- %Program Files%\System Care\is-66VNK.tmp
- %User Profile%\System Care\is-S3D11.tmp
- %User Profile%\System Care\is-7UD4C.tmp
- %User Profile%\FileOpenerWindows\is-H29QB.tmp
- %User Profile%\FileOpenerWindows\is-PJE2C.tmp
- %User Profile%\x64\is-TVJDO.tmp
- %User Profile%\x86\is-RO6MT.tmp
- %User Profile%\FileOpenerWindows\is-4M9M0.tmp
- %User Profile%\GPCWValidator\is-TLD7K.tmp
- %User Profile%\GPCWValidator\is-6QEF1.tmp
- %User Profile%\SCAppManager\is-4QA0B.tmp
- %User Profile%\SCAppManager\is-HF6K3.tmp
- %Program Files%\System Care\is-68S95.tmp
- %User Profile%\FileOpenerWindows\is-MPHDL.tmp
- %Program Files%\System Care\is-C1FCD.tmp
- %Program Files%\System Care\is-40IFD.tmp
- %Program Files%\System Care\is-B2CCM.tmp
- %Program Files%\System Care\is-N1A6B.tmp
- %Program Files%\System Care\is-LOKAR.tmp
- %Program Files%\System Care\is-R8OML.tmp
- %Program Files%\System Care\is-D0ERV.tmp
- %Program Files%\System Care\is-3C79R.tmp
- %Program Files%\System Care\is-OCPFE.tmp
- %Program Files%\System Care\is-NKKCK.tmp
- %Program Files%\System Care\is-NU34Q.tmp
- %Program Files%\System Care\is-06TSU.tmp
- %Program Files%\System Care\is-FQ0HT.tmp
- %Start Menu%\Programs\System Care\System Care.lnk
- %Start Menu%\Programs\System Care\Buy System Care.lnk
- %Start Menu%\Programs\System Care\Uninstall System Care.lnk
- %Desktop%\System Care.lnk
- %Program Files%\System Care\unins000.msg
- %User Profile%\System Care\Errorlog.txt
- %User Profile%\GPCWValidator\GPCWValidatorService.InstallState
- %User Profile%\System Care\exlist.bin
- %User Profile%\MetaData\2BF68F4714092295550497DD56F57004
- %User Profile%\Content\2BF68F4714092295550497DD56F57004
- %User Profile%\MetaData\94308059B57B3142E455B38A6EB92015
- %User Profile%\Content\94308059B57B3142E455B38A6EB92015
- %User Temp%\Cab63.tmp
- %User Temp%\Tar65.tmp
- %User Profile%\MetaData\008C56320A656ABF9A43EEC6337A4C52
- %User Profile%\Content\008C56320A656ABF9A43EEC6337A4C52
- %User Profile%\MetaData\69F425D577B6578AAFA58B50BBAEA86F
- %User Profile%\Content\69F425D577B6578AAFA58B50BBAEA86F
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other Details
This potentially unwanted application connects to the following possibly malicious URL:
- {BLOCKED}.144.82
- {BLOCKED}0.1
- {BLOCKED}.144.84
- {BLOCKED}.194.206
- {BLOCKED}.28.95
- {BLOCKED}.4.50
- {BLOCKED}.93.133
- {BLOCKED}255.201
- {BLOCKED}45.163
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Restart in Safe Mode
Step 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\Software\globalpcworks.com
- System Care
- In HKEY_CURRENT_USER\Software\globalpcworks.com
- System Care
- In HKEY_LOCAL_MACHINE\Software
- ussc-pr
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- 1.0.0.11331
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- {788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- In HKEY_LOCAL_MACHINE\Software
- GPCWValidatorService
- In HKEY_LOCAL_MACHINE\Software\Z2xvYmFscGN3b3Jrcy5jb20=\U3lzdGVtIENhcmU=
- ACT
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application
- GPCWValidator
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell
- opendlg
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\opendlg
- command
Step 4
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- System Care_Logon = "%Program Files%\System Care\gpcw.exe startupshow"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- System Care_Logon = "%Program Files%\System Care\gpcw.exe startupshow"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO = "(855)-332-0124"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- ISTELNO = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- issilent = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- affired = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- showwfo = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- wfoset = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- pxl = "FHP887_FHP870_FHP495"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- prereg = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- showtn = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- delay = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- cbkpoff = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- showunins = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- utm_source = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- utm_campaign = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- utm_medium = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- pxl = "fhp887_fhp870_fhp495"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- utm_source = "fhposcw"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- utm_campaign = "fhposcw"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- utm_medium = "fhposcw"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- pxl = "fhp887_fhp870_fhp495"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- utm_source = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- utm_campaign = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- utm_medium = "fhposcw"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- pxl = "fhp887_fhp870_fhp495"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_us = "(855)-332-0124"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_uk = "0800-031-5066"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_gb = "0800-031-5066"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_au = "(61)280-733403"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_fr = "(334)-88627945"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_de = "(800)-180-0926"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_at = "(800)-180-0926"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_ch = "(800)-180-0926"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_lu = "(800)-180-0926"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_jp = "0120-98192-7"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- TELNO_ja = "0120-98192-7"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- PurchaseURL = "http://www.{BLOCKED}pcworks.com/sc/price.asp?"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- RenewURL = "http://www.{BLOCKED}pcworks.com/sc/renewal.asp?"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- WebURL = "http://www.{BLOCKED}pcworks.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- EmailURL = "support@globalpcworks.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- supporturl = "http://www.{BLOCKED}pcworks.com/help"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- Installstring = "%Program Files%\System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- Installstring = "%Program Files%\System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Inno Setup: Setup Version = "5.5.5 (u)"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Inno Setup: App Path = "%Program Files%\System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- InstallLocation = "%Program Files%\System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Inno Setup: Icon Group = "System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Inno Setup: User = "Wilbert"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Inno Setup: Language = "en"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- DisplayName = "System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- DisplayIcon = "%Program Files%\System Care\gpcw.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- UninstallString = "%Program Files%\System Care\unins000.exe "
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- QuietUninstallString = "%Program Files%\System Care\unins000.exe /SILENT"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- DisplayVersion = "1.0.0.11331"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- Publisher = "globalpcworks.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- URLInfoAbout = "http://www.{BLOCKED}pcworks.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- HelpLink = "http://www.{BLOCKED}pcworks.com/help"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- NoRepair = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- InstallDate = "20160719"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- MajorVersion = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- MinorVersion = "0"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- InstallString = "%Program Files%\System Care"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- InstallString = "%Program Files%\System Care"
- In HKEY_CURRENT_USER\Software\globalpcworks.com\System Care
- LangCode = "en"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- LangCode = "en"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- LangCode = "en"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- afterInstallUrl = "http://www.{BLOCKED}pcworks.com/sc/afterinstall/?"
- In HKEY_LOCAL_MACHINE\SOFTWARE\ussc-pr
- country = "us"
- In HKEY_LOCAL_MACHINE\SOFTWARE\GPCWValidatorService\GPCWValidatorService
- country = "us"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- affired = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Z2xvYmFscGN3b3Jrcy5jb20=\U3lzdGVtIENhcmU=\ACT
- data = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- reg = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- expired = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- x-ccode = "us"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- country = "us"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\GPCWValidator
- EventMessageFile = "%Windows%\Microsoft.NET\Framework\v2.0.50727\EventLogMessages.dll"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\openas\command
- windowsfileopener.Dat = "%System%\rundll32.exe %System%\shell32.dll,OpenAs_RunDLL %1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\opendlg
- MultiSelectModel = "Single"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\opendlg\command
- windowsfileopener.Dat = "%System%\rundll32.exe %System%\shell32.dll,OpenAs_RunDLL %1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\globalpcworks.com\System Care
- hdata = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DE28F4A4FFE5B92FA3C503D1A349A7F9962A8212
- Blob = "{random values}"
Step 5
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application
- From: Sources = "{random characters}"
To: Sources = ""{random values}""
- From: Sources = "{random characters}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EFCED9C6BDD0C985CA3C7D253063C5BE6FC620C
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EF2E6670AC9B5091FE06BE0E5483EAAD6BA32D9
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4C95A9902ABE0777CED18D6ACCC3372D2748381E
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4BA7B9DDD68788E12FF852E1A024204BF286A8F6
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4B421F7515F6AE8A6ECEF97F6982A400A4D9224E
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\47AFB915CDA26D82467B97FA42914468726138DD
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4463C531D7CCC1006794612BB656D3BF8257846F
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\43F9B110D5BAFD48225231B0D0082B372FEF9A54
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\43DDB1FFF3B49B73831407F6BC8B975023D07C50
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\40E78C1D523D1CD9954FAC1A1AB3BD3CBAA15BFC
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4072BA31FEC351438480F62E6CB95508461EAB2F
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\3F85F2BB4A62B0B58BE1614ABB0D4631B4BEF8BA
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\394FF6850B06BE52E51856CC10E180E882B385CC
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\36863563FD5128C7BEA6F005CFE9B43668086CCE
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2F173F7DE99667AFA57AF80AA2D1B12FAC830338
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\284F55C41A1A7A3F8328D4C262FB376ED6096F24
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\273EE12457FDC4F90C55E82B56167F62F532E547
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\24BA6D6C8A5B5837A48DB5FAE919EA675C94D217
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\24A40A1F573643A67F0A4B0749F6A22BF28ABB6B
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\23E594945195F2414803B4D564D2A3A3F5D88B8C
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\216B2A29E62A00CE820146D8244141B92511B279
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\209900B63D955728140CD13622D8C687A4EB0085
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F55E8839BAC30728BE7108EDE7B0BB0D3298224
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1331F48A5DA8E01DAACA1BB0C17044ACFEF755BB
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0B77BEBBCB7AA24705DECC0FBD6A02FC7ABD9B52
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\049811056AFE9FD0F5BE01685AACE6A5D1C4454C
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0483ED3399AC3608058722EDBC5E4600E3BEF9D7
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\00EA522C8A9C06AA3ECCE0B4FA6CDC21D92E8099
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0048F8D37B153F6EA2798C323EF4F318A5624A9E
- From: Blob = "{random values}"
To: Blob = ""{random values}""
- From: Blob = "{random values}"
Step 6
Search and delete these components
- %User Temp%\is-i9il7.tmp\{malware file name}.tmp
- %User Temp%\is-UI405.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-UI405.tmp\_isetup\_iscrypt.dll
- %User Temp%\is-UI405.tmp\isxdl.dll
- %Program Files%\System Care\unins000.dat
- %Program Files%\System Care\is-1BP98.tmp
- %Program Files%\System Care\is-89D10.tmp
- %Program Files%\System Care\is-V26AS.tmp
- %Program Files%\System Care\is-JGTSK.tmp
- %Program Files%\System Care\is-40OMJ.tmp
- %Program Files%\System Care\is-3NVUM.tmp
- %Program Files%\System Care\is-G2I6C.tmp
- %Program Files%\System Care\is-JER90.tmp
- %Program Files%\System Care\is-F5M3D.tmp
- %Program Files%\System Care\x64\is-UC79L.tmp
- %Program Files%\System Care\x86\is-ISSK5.tmp
- %Program Files%\System Care\is-2JC10.tmp
- %Program Files%\System Care\is-VJOQC.tmp
- %Program Files%\System Care\is-66VNK.tmp
- %User Profile%\System Care\is-S3D11.tmp
- %User Profile%\System Care\is-7UD4C.tmp
- %User Profile%\FileOpenerWindows\is-H29QB.tmp
- %User Profile%\FileOpenerWindows\is-PJE2C.tmp
- %User Profile%\x64\is-TVJDO.tmp
- %User Profile%\x86\is-RO6MT.tmp
- %User Profile%\FileOpenerWindows\is-4M9M0.tmp
- %User Profile%\GPCWValidator\is-TLD7K.tmp
- %User Profile%\GPCWValidator\is-6QEF1.tmp
- %User Profile%\SCAppManager\is-4QA0B.tmp
- %User Profile%\SCAppManager\is-HF6K3.tmp
- %Program Files%\System Care\is-68S95.tmp
- %User Profile%\FileOpenerWindows\is-MPHDL.tmp
- %Program Files%\System Care\is-C1FCD.tmp
- %Program Files%\System Care\is-40IFD.tmp
- %Program Files%\System Care\is-B2CCM.tmp
- %Program Files%\System Care\is-N1A6B.tmp
- %Program Files%\System Care\is-LOKAR.tmp
- %Program Files%\System Care\is-R8OML.tmp
- %Program Files%\System Care\is-D0ERV.tmp
- %Program Files%\System Care\is-3C79R.tmp
- %Program Files%\System Care\is-OCPFE.tmp
- %Program Files%\System Care\is-NKKCK.tmp
- %Program Files%\System Care\is-NU34Q.tmp
- %Program Files%\System Care\is-06TSU.tmp
- %Program Files%\System Care\is-FQ0HT.tmp
- %Start Menu%\Programs\System Care\System Care.lnk
- %Start Menu%\Programs\System Care\Buy System Care.lnk
- %Start Menu%\Programs\System Care\Uninstall System Care.lnk
- %Desktop%\System Care.lnk
- %Program Files%\System Care\unins000.msg
- %User Profile%\System Care\Errorlog.txt
- %User Profile%\GPCWValidator\GPCWValidatorService.InstallState
- %User Profile%\System Care\exlist.bin
- %User Profile%\MetaData\2BF68F4714092295550497DD56F57004
- %User Profile%\Content\2BF68F4714092295550497DD56F57004
- %User Profile%\MetaData\94308059B57B3142E455B38A6EB92015
- %User Profile%\Content\94308059B57B3142E455B38A6EB92015
- %User Temp%\Cab63.tmp
- %User Temp%\Tar65.tmp
- %User Profile%\MetaData\008C56320A656ABF9A43EEC6337A4C52
- %User Profile%\Content\008C56320A656ABF9A43EEC6337A4C52
- %User Profile%\MetaData\69F425D577B6578AAFA58B50BBAEA86F
- %User Profile%\Content\69F425D577B6578AAFA58B50BBAEA86F
Step 7
Search and delete these folders
- %User Temp%\is-I9IL7.tmp
- %User Temp%\is-UI405.tmp
- %User Temp%\is-UI405.tmp\_isetup
- %Program Files%\System Care
- %Program Files%\System Care\x64
- %Program Files%\System Care\x86
- %User Profile%\Application Data\globalpcworks.com
- %User Profile%\globalpcworks.com\System Care
- %User Profile%\Application Data\FileOpenerWindows
- %User Profile%\FileOpenerWindows\x64
- %User Profile%\FileOpenerWindows\x86
- %User Profile%\Application Data\GPCWValidator
- %User Profile%\Application Data\SCAppManager
- %Start Menu%\Programs\System Care
- %User Profile%\System Care\smico
- %User Profile%\CryptnetUrlCache\MetaData
- %User Profile%\Microsoft\CryptnetUrlCache
- %User Profile%\CryptnetUrlCache\Content
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA_SYSTEMCARE.GA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 9
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Start Menu%\Programs\System Care\System Care.pif
- %Start Menu%\Programs\System Care\System Care.url
- %Start Menu%\Programs\System Care\Buy System Care.pif
- %Start Menu%\Programs\System Care\Buy System Care.url
- %Start Menu%\Programs\System Care\Uninstall System Care.pif
- %Start Menu%\Programs\System Care\Uninstall System Care.url
- %Desktop%\System Care.pif
- %Desktop%\System Care.url
Step 10
Restore these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- {788E5525-DADA-455B-AE88-84A09CF8F888}_is1
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- System Care_is1
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- System Care_is1
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