ALIASES:

TrojanDropper:Win32/Dunik!rts (Microsoft); Trojan-Dropper.Win32.Agent.zqn (Kaspersky); Trojan.Win32.Malware.a (Sunbelt)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 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: 834,629 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 08 Nov 2011

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%\B295009A
  • %User Profile%\Application Data\Tarma Installer
  • %User Profile%\Tarma Installer\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
  • %Program Files%\Bulk Rename Utility
  • %Start Menu%\Programs\Bulk Rename Utility

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Profiles\{user name}\Start Menu on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu on Windows NT and C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003.)

Other System Modifications

This Trojan deletes the following files:

  • %Program Files%\SFL1.tmp
  • %User Profile%\SFL2.tmp
  • %User Profile%\Application Data\SFL3.tmp
  • %Program Files%\SFL4.tmp
  • %User Profile%\Application Data\SFL5.tmp
  • %Program Files%\SFL6.tmp
  • %User Profile%\Application Data\SFL7.tmp
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.chm._rb
  • %Program Files%\Bulk Rename Utility\BRUChangelog.pdf._rb
  • %Program Files%\Bulk Rename Utility\BRUHere.dll._rb
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.exe._rb
  • %Program Files%\Bulk Rename Utility\pcre.dll._rb
  • %Program Files%\Bulk Rename Utility\Tips.txt._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Help File.lnk._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Bulk Rename Utility.exe.lnk._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Change Log.lnk._rb
  • %User Temp%\{malware file name}-0794.log

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Profiles\{user name}\Start Menu on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu on Windows NT and C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

It adds the following registry keys:

HKEY_CLASSES_ROOT\.bru

HKEY_CLASSES_ROOT\Bulk.Rename.1

HKEY_CLASSES_ROOT\Bulk.Rename.1\DefaultIcon

HKEY_CLASSES_ROOT\Bulk.Rename.1\shell

HKEY_CLASSES_ROOT\Bulk.Rename.1\shell\
open

HKEY_CLASSES_ROOT\Bulk.Rename.1\shell\
open\command

HKEY_LOCAL_MACHINE\Software\Tarma Installer\
Components\{5B91470C-1AEA-4C41-9204-3619088C6643}

HKEY_LOCAL_MACHINE\Software\Tarma Installer\
Components\{BD4A56F1-BF0D-4769-8756-731B0017B0DA}

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}

HKEY_LOCAL_MACHINE\Software\Tarma Installer\
Products\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.bru
Perceived Type = "Text"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.bru
Content Type = "text/plain"

HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\
Components\{5B91470C-1AEA-4C41-9204-3619088C6643}
{991B1E79-12B6-40C3-A081-1FC47C6F2F37} = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\
Components\{BD4A56F1-BF0D-4769-8756-731B0017B0DA}
{991B1E79-12B6-40C3-A081-1FC47C6F2F37} = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
UninstallString = "%User Profile%\{991B1~1\Setup.exe /remove /q0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
QuietUninstallString = "%User Profile%\{991B1~1\Setup.exe /remove /q"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
ModifyPath = "%User Profile%\{991B1~1\Setup.exe /q0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
Version = "2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
VersionMajor = "2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
TinFolder = "%User Profile%\Tarma Installer\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
TinVersion = "5003"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
InstallDate = "20111107"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
InstallLocation = "%Program Files%\Bulk Rename Utility"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
InstallSource = "%System Root%"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
DisplayIcon = "%User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
DisplayName = "Bulk Rename Utility 2, 7, 0, 4"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
DisplayVersion = "2, 7, 0, 4"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
Publisher = "Jim Willsher"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
URLInfoAbout = "http://www.{BLOCKED}nameutility.co.uk"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
Contact = "jim@bulkrenameutility.co.uk"

HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\
Products\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
TizPath = "{malware path and file name}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID
{5D924130-4CB1-11DB-B0DE-0800200C9A66} = "BRU context menu handler"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{5D924130-4CB1-11DB-B0DE-0800200C9A66}
InprocServer32 = "%Program Files%\Bulk Rename Utility\BRUHere.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{5D924130-4CB1-11DB-B0DE-0800200C9A66}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Approved
{5D924130-4CB1-11DB-B0DE-0800200C9A66} = "BRU context menu handler"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
*\shellex\ContextMenuHandlers
BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Directory\shellex\ContextMenuHandlers
BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Drive\shellex\ContextMenuHandlers
BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\{malware file name}-0794.exe
  • %User Temp%\B295009A.dat
  • %User Temp%\B295009A\_Setup.dll
  • %User Temp%\B295009A\Setup.ico
  • %User Temp%\B295009A\_TinReg32.exe
  • %User Temp%\B295009A\_TinRegX64.exe
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.chm._tm
  • %Program Files%\Bulk Rename Utility\BRUChangelog.pdf._tm
  • %Program Files%\Bulk Rename Utility\BRUHere.dll._tm
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.exe._tm
  • %Program Files%\Bulk Rename Utility\pcre.dll._tm
  • %Program Files%\Bulk Rename Utility\Tips.txt._tm
  • %Start Menu%\Programs\Bulk Rename Utility\Help File.lnk
  • %Start Menu%\Programs\Bulk Rename Utility\Bulk Rename Utility.exe.lnk
  • %Start Menu%\Programs\Bulk Rename Utility\Change Log.lnk
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.dat
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.exe
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\_Setup.dll
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.ico

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Profiles\{user name}\Start Menu on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu on Windows NT and C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

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_CLASSES_ROOT
    • .bru
  • In HKEY_CLASSES_ROOT
    • Bulk.Rename.1
  • In HKEY_CLASSES_ROOT\Bulk.Rename.1
    • DefaultIcon
  • In HKEY_CLASSES_ROOT\Bulk.Rename.1
    • shell
  • In HKEY_CLASSES_ROOT\Bulk.Rename.1\shell
    • open
  • In HKEY_CLASSES_ROOT\Bulk.Rename.1\shell\open
    • command
  • In HKEY_LOCAL_MACHINE\Software\Tarma Installer\Components
    • {5B91470C-1AEA-4C41-9204-3619088C6643}
  • In HKEY_LOCAL_MACHINE\Software\Tarma Installer\Components
    • {BD4A56F1-BF0D-4769-8756-731B0017B0DA}
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • {991B1E79-12B6-40C3-A081-1FC47C6F2F37}
  • In HKEY_LOCAL_MACHINE\Software\Tarma Installer\Products
    • {991B1E79-12B6-40C3-A081-1FC47C6F2F37}

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_LOCAL_MACHINE\SOFTWARE\Classes\.bru
    • Perceived Type = "Text"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.bru
    • Content Type = "text/plain"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\Components\{5B91470C-1AEA-4C41-9204-3619088C6643}
    • {991B1E79-12B6-40C3-A081-1FC47C6F2F37} = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\Components\{BD4A56F1-BF0D-4769-8756-731B0017B0DA}
    • {991B1E79-12B6-40C3-A081-1FC47C6F2F37} = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • UninstallString = "%User Profile%\{991B1~1\Setup.exe /remove /q0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • QuietUninstallString = "%User Profile%\{991B1~1\Setup.exe /remove /q"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • ModifyPath = "%User Profile%\{991B1~1\Setup.exe /q0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • Version = "2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • VersionMajor = "2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • TinFolder = "%User Profile%\Tarma Installer\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • TinVersion = "5003"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • InstallDate = "20111107"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • InstallLocation = "%Program Files%\Bulk Rename Utility"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • InstallSource = "%System Root%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • DisplayIcon = "%User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • DisplayName = "Bulk Rename Utility 2, 7, 0, 4"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • DisplayVersion = "2, 7, 0, 4"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • Publisher = "Jim Willsher"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • URLInfoAbout = "http://www.{BLOCKED}nameutility.co.uk"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • Contact = "jim@bulkrenameutility.co.uk"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Tarma Installer\Products\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
    • TizPath = "{malware path and file name}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {5D924130-4CB1-11DB-B0DE-0800200C9A66} = "BRU context menu handler"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{5D924130-4CB1-11DB-B0DE-0800200C9A66}
    • InprocServer32 = "%Program Files%\Bulk Rename Utility\BRUHere.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{5D924130-4CB1-11DB-B0DE-0800200C9A66}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved
    • {5D924130-4CB1-11DB-B0DE-0800200C9A66} = "BRU context menu handler"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers
    • BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers
    • BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers
    • BRUMenuHandler = "{5D924130-4CB1-11DB-B0DE-0800200C9A66}"

Step 4

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%\B295009A
  • %User Profile%\Application Data\Tarma Installer
  • %User Profile%\Tarma Installer\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}
  • %Program Files%\Bulk Rename Utility
  • %Start Menu%\Programs\Bulk Rename Utility

Step 5

Search and delete these files

[ Learn More ]
There may be some component files 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%\{malware file name}-0794.exe
  • %User Temp%\B295009A.dat
  • %User Temp%\B295009A\_Setup.dll
  • %User Temp%\B295009A\Setup.ico
  • %User Temp%\B295009A\_TinReg32.exe
  • %User Temp%\B295009A\_TinRegX64.exe
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.chm._tm
  • %Program Files%\Bulk Rename Utility\BRUChangelog.pdf._tm
  • %Program Files%\Bulk Rename Utility\BRUHere.dll._tm
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.exe._tm
  • %Program Files%\Bulk Rename Utility\pcre.dll._tm
  • %Program Files%\Bulk Rename Utility\Tips.txt._tm
  • %Start Menu%\Programs\Bulk Rename Utility\Help File.lnk
  • %Start Menu%\Programs\Bulk Rename Utility\Bulk Rename Utility.exe.lnk
  • %Start Menu%\Programs\Bulk Rename Utility\Change Log.lnk
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.dat
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.exe
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\_Setup.dll
  • %User Profile%\{991B1E79-12B6-40C3-A081-1FC47C6F2F37}\Setup.ico

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_AGENT.AWCI. 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 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.

  • %Program Files%\SFL1.tmp
  • %User Profile%\SFL2.tmp
  • %User Profile%\Application Data\SFL3.tmp
  • %Program Files%\SFL4.tmp
  • %User Profile%\Application Data\SFL5.tmp
  • %Program Files%\SFL6.tmp
  • %User Profile%\Application Data\SFL7.tmp
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.chm._rb
  • %Program Files%\Bulk Rename Utility\BRUChangelog.pdf._rb
  • %Program Files%\Bulk Rename Utility\BRUHere.dll._rb
  • %Program Files%\Bulk Rename Utility\Bulk Rename Utility.exe._rb
  • %Program Files%\Bulk Rename Utility\pcre.dll._rb
  • %Program Files%\Bulk Rename Utility\Tips.txt._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Help File.lnk._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Bulk Rename Utility.exe.lnk._rb
  • %Start Menu%\Programs\Bulk Rename Utility\Change Log.lnk._rb
  • %User Temp%\{malware file name}-0794.log


Did this description help? Tell us how we did.