PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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: 6,970,304 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 04 Feb 2016

Arrival Details

This Trojan 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 Trojan creates the following folders:

  • %User Temp%\{8BAD6F3F-BA9B-44BD-80FB-5358297F7044}
  • %User Temp%\is-BFIOA.tmp
  • %User Temp%\is-NRNHE.tmp
  • %User Temp%\is-NRNHE.tmp\_isetup
  • %Program Files%\Optimizer Pro
  • %Start Menu%\Programs\Optimizer Pro v3.2

(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.. %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.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Optimizer Pro = "%Program Files%\Optimizer Pro\OptProLauncher.exe"

Other System Modifications

This Trojan deletes the following files:

  • %Desktop%\Optimizer Pro.pif
  • %Desktop%\Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.url

(Note: %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.. %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.)

It adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\Optimizer Pro

HKEY_CURRENT_USER\SOFTWARE\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8\eae10f9d

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1

HKEY_CURRENT_USER\SOFTWARE\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5

HKEY_CURRENT_USER\SOFTWARE\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d

HKEY_CURRENT_USER\SOFTWARE\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\00000000

HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}

HKEY_LOCAL_MACHINE\SOFTWARE\{3A7D3E19-1B79-4E4E-BD96-5467DA2C4EF0}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Optimizer Pro
SetupName = "{malware path and file name}"

HKEY_CURRENT_USER\Software\Optimizer Pro
cufValue = "CUF=0"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8\eae10f9d
340d3099 = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8\eae10f9d
dbaf3ce3 = "/P////%%"

HKEY_CURRENT_USER\Software\Optimizer Pro
Language = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: Setup Version = "5.5.3 (u)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: App Path = "%Program Files%\Optimizer Pro"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
InstallLocation = "%Program Files%\Optimizer Pro"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: Icon Group = "Optimizer Pro v3.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: User = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: Selected Tasks = "desktopicon"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
Inno Setup: Language = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
DisplayName = "Optimizer Pro v3.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
DisplayIcon = "%Program Files%\Optimizer Pro\OptProLauncher.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
UninstallString = "%Program Files%\Optimizer Pro\unins000.exe "

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
QuietUninstallString = "%Program Files%\Optimizer Pro\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1
InstallDate = "20160104"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
date = "1451974731"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
date = "1451974731"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
data.0 = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
data.0 = "{random characters}"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
data.1 = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
data.1 = "{random characters}"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
usr.0 = "6AN02rvqomjlhabcde"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
usr.0 = "6AN02rvqomjlhabcde"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
usr.1 = "hHtDYhOQIKEG+xztvq"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
usr.1 = "hHtDYhOQIKEG+xztvq"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
version = "1575d"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
uuid = "1206952858"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
uuid = "1206952858"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
51d2f2ea = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/N//2/CJ////%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
51d2f2ea = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/N//2/CJ////%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
a2e3b941 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
a2e3b941 = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
bbf88800 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
bbf88800 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
appid.0 = "9y3FwDzpImHqPTVNPRoNw77XqTxCEeMJgsAw"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
state = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
a1dcff5b = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
a1dcff5b = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
340d3099 = "/P////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
340d3099 = "/P////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
0e93c3f3 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
0e93c3f3 = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
0c230bcb = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
0c230bcb = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
27ddcf6f = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
27ddcf6f = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
414bc593 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
414bc593 = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
f0bf0bde = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
f0bf0bde = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
c99a5f5c = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
c99a5f5c = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
72758a5d = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
72758a5d = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
e46c271e = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
e46c271e = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
7f69fa1f = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
7f69fa1f = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
3c09c42b = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
3c09c42b = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
7367429f = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
7367429f = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
0dc3ee96 = "/P////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
0dc3ee96 = "/P////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
d1abcdb6 = "///%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
d1abcdb6 = "///%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
38583bc3 = "Ml/2/CF/M//g/CZ////%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
38583bc3 = "Ml/2/CF/M//g/CZ////%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
c24899a6 = "MP/f/CF/MP/3/CZ////%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
c24899a6 = "MP/f/CF/MP/3/CZ////%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
f1f24e29 = "Vl/l/C/////%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
f1f24e29 = "Vl/l/C/////%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
c5705860 = "Vx////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
c5705860 = "Vx////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
a0743acc = "N/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
a0743acc = "N/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
c6c5dd44 = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
c6c5dd44 = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
1520c6f1 = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
1520c6f1 = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
2d71d5ab = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
2d71d5ab = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
8b9e4cbc = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
8b9e4cbc = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
fe94ce1e = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
fe94ce1e = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
587b5709 = "V/////%%"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\eae10f9d
587b5709 = "V/////%%"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
lrts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
lrts = "0"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
mode = "f"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
mode = "f"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
svn = "Optimizer Pro Crash Monitor"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
svi = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
svt = "568b64c"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
370856c7 = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\00000000
370856c7 = "{random characters}"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
3efeb33e = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5\00000000
3efeb33e = "{random characters}"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
iiid = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
iiid = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
LoadAppInit_DLLs = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}
ca82e1a5 = "%Program Files%\Optimizer Pro\OptProCrash.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
dlpath = "%Program Files%\optimi~1\optpro~1.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_ca82e1a5
svpath = "%Program Files%\optimi~1\OptProCrashSvc.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}
n = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\{3A7D3E19-1B79-4E4E-BD96-5467DA2C4EF0}
n = "1"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
dbaf3ce3 = "/P////%%"

HKEY_CURRENT_USER\Software\Optimizer Pro
InstallDate = "{random values}"

HKEY_CURRENT_USER\Software\Optimizer Pro
AppStart = "0"

HKEY_CURRENT_USER\Software\Optimizer Pro
Os = "102"

HKEY_CURRENT_USER\Software\Optimizer Pro
MachineGuid = "5854631E-A37E-7CF7-B99B-C1CDF2D524A3"

HKEY_CURRENT_USER\Software\Optimizer Pro
DelayedStart = "5"

HKEY_CURRENT_USER\Software\Optimizer Pro
Querry = "{random characters}"

HKEY_CURRENT_USER\Software\Optimizer Pro
SupportURL = "http://support.{BLOCKED}itiespro.com"

HKEY_CURRENT_USER\Software\Optimizer Pro
HomePageURL = "http://www.{BLOCKED}itiespro.com"

HKEY_CURRENT_USER\Software\Optimizer Pro
BuyNowURL = "{random characters}"

HKEY_CURRENT_USER\Software\Optimizer Pro
UseAds = "1"

HKEY_CURRENT_USER\Software\Optimizer Pro
AdsHost = "dl.softservers.net"

HKEY_CURRENT_USER\Software\Optimizer Pro
AdsDownloadURL = "http://dl.{BLOCKED}rvers.net/121000601/DriverPro.exe"

HKEY_CURRENT_USER\Software\Optimizer Pro
AdsBuyNowURL = "{random characters}"

HKEY_CURRENT_USER\Software\Optimizer Pro
ShowEUA = "1"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
AppInit_DLLs = "%Program Files%\optimi~1\optpro~1.dll"

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Tracing\OptimizerPro_RASAPI32

HKEY_LOCAL_MACHINE\Software\Microsoft\
Tracing\OptimizerPro_RASMANCS

HKEY_LOCAL_MACHINE\Software\Microsoft\
Tracing\OptProStart_RASAPI32

HKEY_LOCAL_MACHINE\Software\Microsoft\
Tracing\OptProStart_RASMANCS

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
MenuOrder\Start Menu2\Programs\
Optimizer Pro

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\{8BAD6F3F-BA9B-44BD-80FB-5358297F7044}\setup.exe
  • %User Temp%\is-BFIOA.tmp\setup.tmp
  • %User Temp%\is-NRNHE.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-NRNHE.tmp\itdownload.dll
  • %User Temp%\is-NRNHE.tmp\OptProCrash.dll
  • %Program Files%\Optimizer Pro\unins000.dat
  • %Program Files%\Optimizer Pro\is-VQ91A.tmp
  • %Program Files%\Optimizer Pro\is-C3Q1V.tmp
  • %Program Files%\Optimizer Pro\is-V0MRJ.tmp
  • %Program Files%\Optimizer Pro\is-AHLAR.tmp
  • %Program Files%\Optimizer Pro\is-MVU3B.tmp
  • %Program Files%\Optimizer Pro\is-JR3R7.tmp
  • %Program Files%\Optimizer Pro\is-8BA4N.tmp
  • %Program Files%\Optimizer Pro\is-401FI.tmp
  • %Program Files%\Optimizer Pro\is-UTLE1.tmp
  • %Program Files%\Optimizer Pro\is-4FTFK.tmp
  • %Program Files%\Optimizer Pro\is-SJ35S.tmp
  • %Program Files%\Optimizer Pro\is-I0QSC.tmp
  • %Program Files%\Optimizer Pro\is-4A1H4.tmp
  • %Program Files%\Optimizer Pro\is-RQRE1.tmp
  • %Program Files%\Optimizer Pro\is-VQ08Q.tmp
  • %Program Files%\Optimizer Pro\is-CVH21.tmp
  • %Program Files%\Optimizer Pro\is-D780B.tmp
  • %Program Files%\Optimizer Pro\is-DIHP4.tmp
  • %Program Files%\Optimizer Pro\is-NBTR8.tmp
  • %Desktop%\Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.lnk
  • %Program Files%\Optimizer Pro\unins000.msg
  • %Program Files%\Optimizer Pro\OptProCrash.dll
  • %Program Files%\optimi~1\OptProCrashSvc.dll

(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.. %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.. %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.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}o.info/install/?{random characters}
  • http://{BLOCKED}o.info/get/?{random characters}
  • http://{BLOCKED}zerproutility.info/get/?{random characters}
  • {BLOCKED}.23.40
  • {BLOCKED}.86.29

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.8

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

[ Learn More ]

Step 3

Delete this registry key

[ 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
    • Optimizer Pro
  • In HKEY_CURRENT_USER\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8
    • eae10f9d
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Optimizer Pro_is1
  • In HKEY_CURRENT_USER\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}
    • _ca82e1a5
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}
    • _ca82e1a5
  • In HKEY_CURRENT_USER\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • eae10f9d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • eae10f9d
  • In HKEY_CURRENT_USER\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • 00000000
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • 00000000
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • {6791A2F3-FC80-475C-A002-C014AF797E9C}
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • {3A7D3E19-1B79-4E4E-BD96-5467DA2C4EF0}

Step 4

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\Windows\CurrentVersion\Run
    • Optimizer Pro = "%Program Files%\Optimizer Pro\OptProLauncher.exe"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • SetupName = "{malware path and file name}"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • cufValue = "CUF=0"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8\eae10f9d
    • 340d3099 = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_12887dd8\eae10f9d
    • dbaf3ce3 = "/P////%%"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • Language = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: Setup Version = "5.5.3 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: App Path = "%Program Files%\Optimizer Pro"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • InstallLocation = "%Program Files%\Optimizer Pro"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: Icon Group = "Optimizer Pro v3.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: User = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: Selected Tasks = "desktopicon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • Inno Setup: Language = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • DisplayName = "Optimizer Pro v3.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • DisplayIcon = "%Program Files%\Optimizer Pro\OptProLauncher.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • UninstallString = "%Program Files%\Optimizer Pro\unins000.exe "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • QuietUninstallString = "%Program Files%\Optimizer Pro\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
    • InstallDate = "20160104"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • date = "1451974731"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • date = "1451974731"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • data.0 = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • data.0 = "{random characters}"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • data.1 = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • data.1 = "{random characters}"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • usr.0 = "6AN02rvqomjlhabcde"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • usr.0 = "6AN02rvqomjlhabcde"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • usr.1 = "hHtDYhOQIKEG+xztvq"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • usr.1 = "hHtDYhOQIKEG+xztvq"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • version = "1575d"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • uuid = "1206952858"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • uuid = "1206952858"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 51d2f2ea = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/N//2/CJ////%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 51d2f2ea = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/N//2/CJ////%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a2e3b941 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a2e3b941 = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • bbf88800 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • bbf88800 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • appid.0 = "9y3FwDzpImHqPTVNPRoNw77XqTxCEeMJgsAw"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • state = "0"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a1dcff5b = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a1dcff5b = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 340d3099 = "/P////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 340d3099 = "/P////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0e93c3f3 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0e93c3f3 = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0c230bcb = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0c230bcb = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 27ddcf6f = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 27ddcf6f = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 414bc593 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 414bc593 = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • f0bf0bde = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • f0bf0bde = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c99a5f5c = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c99a5f5c = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 72758a5d = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 72758a5d = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • e46c271e = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • e46c271e = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 7f69fa1f = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 7f69fa1f = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 3c09c42b = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 3c09c42b = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 7367429f = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 7367429f = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0dc3ee96 = "/P////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 0dc3ee96 = "/P////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • d1abcdb6 = "///%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • d1abcdb6 = "///%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 38583bc3 = "Ml/2/CF/M//g/CZ////%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 38583bc3 = "Ml/2/CF/M//g/CZ////%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c24899a6 = "MP/f/CF/MP/3/CZ////%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c24899a6 = "MP/f/CF/MP/3/CZ////%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • f1f24e29 = "Vl/l/C/////%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • f1f24e29 = "Vl/l/C/////%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c5705860 = "Vx////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c5705860 = "Vx////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a0743acc = "N/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • a0743acc = "N/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c6c5dd44 = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • c6c5dd44 = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 1520c6f1 = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 1520c6f1 = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 2d71d5ab = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 2d71d5ab = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 8b9e4cbc = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 8b9e4cbc = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • fe94ce1e = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • fe94ce1e = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 587b5709 = "V/////%%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • 587b5709 = "V/////%%"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • lrts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • lrts = "0"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • mode = "f"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • mode = "f"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • svn = "Optimizer Pro Crash Monitor"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • svi = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • svt = "568b64c"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
    • 370856c7 = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
    • 370856c7 = "{random characters}"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
    • 3efeb33e = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000
    • 3efeb33e = "{random characters}"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • iiid = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • iiid = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
    • LoadAppInit_DLLs = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}
    • ca82e1a5 = "%Program Files%\Optimizer Pro\OptProCrash.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • dlpath = "%Program Files%\optimi~1\optpro~1.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5
    • svpath = "%Program Files%\optimi~1\OptProCrashSvc.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}
    • n = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{3A7D3E19-1B79-4E4E-BD96-5467DA2C4EF0}
    • n = "1"
  • In HKEY_CURRENT_USER\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d
    • dbaf3ce3 = "/P////%%"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • InstallDate = "{random values}"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • AppStart = "0"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • Os = "102"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • MachineGuid = "5854631E-A37E-7CF7-B99B-C1CDF2D524A3"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • DelayedStart = "5"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • Querry = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • SupportURL = "http://support.{BLOCKED}itiespro.com"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • HomePageURL = "http://www.{BLOCKED}itiespro.com"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • BuyNowURL = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • UseAds = "1"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • AdsHost = "dl.softservers.net"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • AdsDownloadURL = "http://dl.{BLOCKED}rvers.net/121000601/DriverPro.exe"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • AdsBuyNowURL = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Optimizer Pro
    • ShowEUA = "1"

Step 5

Restore these modified registry values

[ Learn More ]

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\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
    • AppInit_DLLs = "%Program Files%\optimi~1\optpro~1.dll"

Step 6

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.
  • %User Temp%\{8BAD6F3F-BA9B-44BD-80FB-5358297F7044}\setup.exe
  • %User Temp%\is-BFIOA.tmp\setup.tmp
  • %User Temp%\is-NRNHE.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-NRNHE.tmp\itdownload.dll
  • %User Temp%\is-NRNHE.tmp\OptProCrash.dll
  • %Program Files%\Optimizer Pro\unins000.dat
  • %Program Files%\Optimizer Pro\is-VQ91A.tmp
  • %Program Files%\Optimizer Pro\is-C3Q1V.tmp
  • %Program Files%\Optimizer Pro\is-V0MRJ.tmp
  • %Program Files%\Optimizer Pro\is-AHLAR.tmp
  • %Program Files%\Optimizer Pro\is-MVU3B.tmp
  • %Program Files%\Optimizer Pro\is-JR3R7.tmp
  • %Program Files%\Optimizer Pro\is-8BA4N.tmp
  • %Program Files%\Optimizer Pro\is-401FI.tmp
  • %Program Files%\Optimizer Pro\is-UTLE1.tmp
  • %Program Files%\Optimizer Pro\is-4FTFK.tmp
  • %Program Files%\Optimizer Pro\is-SJ35S.tmp
  • %Program Files%\Optimizer Pro\is-I0QSC.tmp
  • %Program Files%\Optimizer Pro\is-4A1H4.tmp
  • %Program Files%\Optimizer Pro\is-RQRE1.tmp
  • %Program Files%\Optimizer Pro\is-VQ08Q.tmp
  • %Program Files%\Optimizer Pro\is-CVH21.tmp
  • %Program Files%\Optimizer Pro\is-D780B.tmp
  • %Program Files%\Optimizer Pro\is-DIHP4.tmp
  • %Program Files%\Optimizer Pro\is-NBTR8.tmp
  • %Desktop%\Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.lnk
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.lnk
  • %Program Files%\Optimizer Pro\unins000.msg
  • %Program Files%\Optimizer Pro\OptProCrash.dll
  • %Program Files%\optimi~1\OptProCrashSvc.dll

Step 7

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.
  • %User Temp%\{8BAD6F3F-BA9B-44BD-80FB-5358297F7044}
  • %User Temp%\is-BFIOA.tmp
  • %User Temp%\is-NRNHE.tmp
  • %User Temp%\is-NRNHE.tmp\_isetup
  • %Program Files%\Optimizer Pro
  • %Start Menu%\Programs\Optimizer Pro v3.2

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA_PCUtilities. 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.

  • %Desktop%\Optimizer Pro.pif
  • %Desktop%\Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Help.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.url
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.pif
  • %Start Menu%\Programs\Optimizer Pro v3.2\Check updates.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_LOCAL_MACHINE\Software\Microsoft\Tracing
    • OptimizerPro_RASAPI32
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing
    • OptimizerPro_RASMANCS
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing
    • OptProStart_RASAPI32
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing
    • OptProStart_RASMANCS
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu2\Programs
    • Optimizer Pro
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Optimizer Pro_is1


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