PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Adware 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

File Size: 1,615,224 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 29 Feb 2020

Arrival Details

This Adware 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 Adware adds the following processes:

  • "%User Temp%\is-J6V9T.tmp\{malware file name}.tmp" /SL5="$20170,1167247,141824,{malware file path and name}"
  • %User Temp%\is-898NN.tmp\rkverify.exe
  • "%User Temp%\is-898NN.tmp\rkinstaller.exe" -%System Root%885 -t:zxt_b01
  • http://en.{BLOCKED}7.com/
  • http://en.{BLOCKED}7.com
  • "%Program Files%\ZXT2007 Software\Image To PDF\ImageToPDF.exe"
  • %System%\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
  • %System%\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
  • "%Program Files%\Internet Explorer\IEXPLORE.EXE" SCODEF:1660 CREDAT:275457 /prefetch:2
  • %System%\svchost.exe -k LocalServiceAndNoImpersonation

It creates the following folders:

  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %User Temp%\is-898NN.tmp\_isetup
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %Program Files%\ZXT2007 Software\Image To PDF
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active
  • %Application Data%\Microsoft\Windows\DNTException
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages
  • %Program Files%\ZXT2007 Software
  • %Application Data%\Microsoft\Windows\PrivacIE

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Adware deletes the following files:

  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.url
  • %System Root%\Users\Public\Desktop\Image To PDF.url
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.lnk
  • %System Root%\Users\Public\Desktop\Image To PDF.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.url
  • %AppDataLocal%Low\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.pif

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
Owner = "\xf4\x08\x00\x00\x84\x99\xe3y\x8a\xd5\x01"

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
SessionHash = "{random characters}"

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
Sequence = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
ZXT\885
BundleOfferActionUid = "Ef8zE9hjQRkp3K_dM55555"

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
RegFiles0000 = "\x00"

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
RegFilesHash = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: Setup Version = "5.6.0 (u)"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: App Path = "%Program Files%\ZXT2007 Software\Image To PDF"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
InstallLocation = "%Program Files%\ZXT2007 Software\Image To PDF"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: Icon Group = "Image To PDF"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: User = "{username}"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: Selected Tasks = "desktopicon"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: Deselected Tasks = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Inno Setup: Language = "en_1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
DisplayName = "Image To PDF 1.7.7.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
UninstallString = "%Program Files%\ZXT2007 Software\Image To PDF\unins000.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
QuietUninstallString = "%Program Files%\ZXT2007 Software\Image To PDF\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
DisplayVersion = "1.7.7.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
Publisher = "zxt2007.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
URLInfoAbout = "http://en.{BLOCKED}7.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
InstallDate = "20191024"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
MajorVersion = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
MinorVersion = "7"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
VersionMajor = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
VersionMinor = "7"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
EstimatedSize = "4232"

HKEY_CURRENT_USER\Software\Microsoft\
Multimedia\DrawDib
1440x900x32(BGR 0) = "31,31,31,31"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
UPnP Device Host\HTTP Server\VROOTS\
/upnphost
(Default) = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
UPnP Device Host\Description\{262DFC30-A9EC-4089-AE41-1DD542D7E10C}\
UDN Mappings\uuid:{GUID}
(Default) = "uuid:{GUID}"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000\RegFilesHash

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000\RegFiles0000

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000\Sequence

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000\SessionHash

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000\Owner

Dropping Routine

This Adware drops the following files:

  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Ukrainian.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-5NCTG.tmp
  • %User Temp%\is-898NN.tmp\RKBanner.bmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\German.isl
  • %AppDataLocal%\Microsoft\Internet Explorer\imagestore\joppu72\imagestore.dat
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.lnk
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %Program Files%\ZXT2007 Software\Image To PDF\unins000.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2E8337BB-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{2E8337BD-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-EK0E8.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-085R5.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-UI6FU.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-N6MUD.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Greek.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Italian.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\is-PBFJJ.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\English.isl
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{3A381C33-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Japanese.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\French.isl
  • %User Temp%\is-898NN.tmp\rkinstaller.exe
  • %Program Files%\ZXT2007 Software\Image To PDF\unins000.exe
  • %Program Files%\ZXT2007 Software\Image To PDF\Options.ini
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.url
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-U2I3L.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\is-96GHM.tmp
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-I06EP.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Spanish.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-DNNN5.tmp
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.lnk
  • %Program Files%\ZXT2007 Software\Image To PDF\is-OBJP2.tmp
  • %User Temp%\is-898NN.tmp\rkverify.exe
  • %System Root%\Users\Public\Desktop\Image To PDF.lnk
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %Program Files%\ZXT2007 Software\Image To PDF\ImageToPDF.exe
  • %User Temp%\is-898NN.tmp\itdownload.dll

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other Details

This Adware connects to the following possibly malicious URL:

  • http://post.{BLOCKED}studies.com/packages/RI1034/ContentI3.exe
  • http://post.{BLOCKED}studies.com/packages/RV0267/ContentV3.exe
  • http://post.{BLOCKED}studies.com/TapAction.aspx?{random characters}
  • http://en.{BLOCKED}7.com
  • http://en.{BLOCKED}7.com/images/b_log.gif
  • http://en.{BLOCKED}7.com/images/b-mcaree.gif
  • http://en.{BLOCKED}7.com/images/b-sortpedia.gif
  • http://en.{BLOCKED}7.com/images/b-dot.gif
  • http://en.{BLOCKED}7.com/images/b-box2.gif
  • http://en.{BLOCKED}7.com/images/b-vconverter_m.jpg
  • http://en.{BLOCKED}7.com/images/b-dot2.gif
  • http://en.{BLOCKED}7.com/images/b-win-dot.jpg
  • http://en.{BLOCKED}7.com/images/b-download.gif
  • http://en.{BLOCKED}7.com/images/b-minicadviewer_box-m.jpg
  • http://en.{BLOCKED}7.com/images/b_top_bk.gif
  • http://en.{BLOCKED}7.com/images/b_top_bk_l.gif
  • http://en.{BLOCKED}7.com/images/b-title-bg.jpg
  • http://en.{BLOCKED}7.com/images/b-title-2-bg.gif
  • http://en.{BLOCKED}7.com/images/b-box-bg.gif
  • http://en.{BLOCKED}7.com/images/b-box-bt.gif
  • http://en.{BLOCKED}7.com/images/b-title-bg3.jpg
  • http://en.{BLOCKED}7.com/images/b-box2-title.gif
  • http://en.{BLOCKED}7.com/images/b-box2-bt.gif
  • http://en.{BLOCKED}7.com/images/b-box-bt2.gif
  • http://en.{BLOCKED}7.com/images/b-imageconverter_box_m.jpg
  • http://en.{BLOCKED}7.com/images/b-imagetopdf_box_m.jpg
  • http://en.{BLOCKED}7.com/images/b_bt_bk.gif
  • http://en.{BLOCKED}7.com/images/b-box3-bt.gif
  • http://en.{BLOCKED}7.com/favicon.ico
  • http://dpd.{BLOCKED}studies.com
  • http://go.{BLOCKED}oft.com
  • http://api.{BLOCKED}g.com
  • http://www.{BLOCKED}g.com
  • http://sqm.{BLOCKED}try.microsoft.com
  • http://ieonline.{BLOCKED}oft.com

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as Adware.Win32.RelevantKnowledge.P

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Delete this registry value

[ Learn More ]

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_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • Owner = "\xf4\x08\x00\x00\x84\x99\xe3y\x8a\xd5\x01"
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • SessionHash = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • Sequence = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ZXT\885
    • BundleOfferActionUid = "Ef8zE9hjQRkp3K_dM55555"
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • RegFiles0000 = "\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • RegFilesHash = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: Setup Version = "5.6.0 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: App Path = "%Program Files%\ZXT2007 Software\Image To PDF"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • InstallLocation = "%Program Files%\ZXT2007 Software\Image To PDF"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: Icon Group = "Image To PDF"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: User = "{username}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: Selected Tasks = "desktopicon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: Deselected Tasks = ""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Inno Setup: Language = "en_1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • DisplayName = "Image To PDF 1.7.7.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • UninstallString = "%Program Files%\ZXT2007 Software\Image To PDF\unins000.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • QuietUninstallString = "%Program Files%\ZXT2007 Software\Image To PDF\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • DisplayVersion = "1.7.7.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • Publisher = "zxt2007.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • URLInfoAbout = "http://en.{BLOCKED}7.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • InstallDate = "20191024"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • MajorVersion = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • MinorVersion = "7"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • VersionMajor = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • VersionMinor = "7"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D6CAA5A8-AC4B-45DC-8752-CAE32943C621}_is1
    • EstimatedSize = "4232"
  • In HKEY_CURRENT_USER\Software\Microsoft\Multimedia\DrawDib
    • 1440x900x32(BGR 0) = "31,31,31,31"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\UPnP Device Host\HTTP Server\VROOTS\/upnphost
    • (Default) = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\UPnP Device Host\Description\{262DFC30-A9EC-4089-AE41-1DD542D7E10C}\UDN Mappings\uuid:{GUID}
    • (Default) = "uuid:{GUID}"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Ukrainian.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-5NCTG.tmp
  • %User Temp%\is-898NN.tmp\RKBanner.bmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\German.isl
  • %AppDataLocal%\Microsoft\Internet Explorer\imagestore\joppu72\imagestore.dat
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.lnk
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %Program Files%\ZXT2007 Software\Image To PDF\unins000.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2E8337BB-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{2E8337BD-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-EK0E8.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-085R5.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-UI6FU.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-N6MUD.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Greek.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Italian.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\is-PBFJJ.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\English.isl
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{3A381C33-F66D-11E9-AFD9-005056BC5B9B}.dat
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Japanese.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\French.isl
  • %User Temp%\is-898NN.tmp\rkinstaller.exe
  • %Program Files%\ZXT2007 Software\Image To PDF\unins000.exe
  • %Program Files%\ZXT2007 Software\Image To PDF\Options.ini
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.url
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-U2I3L.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\is-96GHM.tmp
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-I06EP.tmp
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\Spanish.isl
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages\is-DNNN5.tmp
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.lnk
  • %Program Files%\ZXT2007 Software\Image To PDF\is-OBJP2.tmp
  • %User Temp%\is-898NN.tmp\rkverify.exe
  • %System Root%\Users\Public\Desktop\Image To PDF.lnk
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %Program Files%\ZXT2007 Software\Image To PDF\ImageToPDF.exe
  • %User Temp%\is-898NN.tmp\itdownload.dll

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %User Temp%\is-898NN.tmp\_isetup
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %Program Files%\ZXT2007 Software\Image To PDF
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active
  • %Application Data%\Microsoft\Windows\DNTException
  • %Windows%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft
  • %Program Files%\ZXT2007 Software\Image To PDF\Languages
  • %Program Files%\ZXT2007 Software
  • %Application Data%\Microsoft\Windows\PrivacIE

Step 6

Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.RelevantKnowledge.P. 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 the following Trend Micro Support pages for more information:

Step 7

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.

  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.url
  • %System Root%\Users\Public\Desktop\Image To PDF.url
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF on the Web.lnk
  • %System Root%\Users\Public\Desktop\Image To PDF.pif
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Image To PDF.url
  • %AppDataLocal%Low\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\Image To PDF\Uninstall Image To PDF.pif

Step 8

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\RestartManager\Session0000
    • RegFilesHash
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • RegFiles0000
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • Sequence
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • SessionHash
  • In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
    • Owner


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