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PE_LOOKED.IC

August 08, 2013
 ALIASES:

Virus:Win32/Viking.T (Microsoft); W32/HLLP.Philis.bd (McAfee); W32.Looked.P (Symantec); Worm.Win32.Viking.bc (Kaspersky); Win32.Looked.P (v) (Sunbelt); Win32.Worm.Viking.AG (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

134,747 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

13 Nov 2012

Arrival Details

This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This file infector modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Windows
load = "%Windows%\rundl132.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Tracing\
Microsoft\Imapi
LogSessionName = "stdout"

(Note: The default value data of the said registry entry is {random values}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Tracing\
Microsoft\Imapi
Active = "1"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Tracing\
Microsoft\Imapi
ControlFlags = "1"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Tracing\
Microsoft\Imapi\ImapiSvc
Guid = "8107d8e9-e323-49f5-bba2-abc35c243dca"

(Note: The default value data of the said registry entry is 8107d8e9-e323-49f5-bba2-abc35c243dca.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Tracing\
Microsoft\Imapi\ImapiSvc
BitNames = "{random characters}"

(Note: The default value data of the said registry entry is ImapiDebugError ImapiDebugWarning ImapiDebugTrace ImapiDebugInfo ImapiDebugX ImapiDebugSort.)

Dropping Routine

This file infector drops the following files:

  • %Windows%\rundl132.exe
  • %Windows%\Logo1_.exe
  • %System Root%\_desktop.ini
  • %Windows%\Dll.dll
  • %Program Files%\_desktop.ini
  • %Program Files%\Adobe\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Esl\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\_desktop.ini
  • %Program Files%\Internet Explorer\_desktop.ini
  • %Program Files%\Internet Explorer\Connection Wizard\_desktop.ini
  • %Program Files%\Internet Explorer\MUI\_desktop.ini
  • %Program Files%\Internet Explorer\MUI\0409\_desktop.ini
  • %Program Files%\Internet Explorer\PLUGINS\_desktop.ini
  • %Program Files%\Internet Explorer\SIGNUP\_desktop.ini
  • %Program Files%\Microsoft.NET\_desktop.ini
  • %Program Files%\Microsoft.NET\RedistList\_desktop.ini
  • %Program Files%\MSBuild\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\_desktop.ini
  • %Program Files%\MSN\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\Install\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\OOBE\_desktop.ini
  • %Program Files%\MSXML 6.0\_desktop.ini
  • %Program Files%\MSXML 6.0\EULA\_desktop.ini
  • %Program Files%\Online Services\_desktop.ini
  • %Program Files%\Outlook Express\_desktop.ini
  • %Program Files%\Reference Assemblies\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\_desktop.ini
  • %Program Files%\Uninstall Information\_desktop.ini
  • %Program Files%\Windows Media Player\_desktop.ini
  • %Program Files%\Windows Media Player\Icons\_desktop.ini
  • %Program Files%\Windows Media Player\Sample Playlists\_desktop.ini
  • %Program Files%\Windows Media Player\Skins\_desktop.ini
  • %Program Files%\Windows Media Player\Visualizations\_desktop.ini
  • %Program Files%\WinPcap\_desktop.ini
  • %Program Files%\xerox\_desktop.ini
  • %Program Files%\xerox\nwwia\_desktop.ini
  • %Temp%\mo8ou7sm.TMP
  • \192.168.100.1\admin$\Logo1_.exe
  • \192.168.100.2\admin$\Logo1_.exe

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp.)

Other Details

This file infector deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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

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_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows
    • load = "%Windows%\rundl132.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\Imapi
    • From: LogSessionName = "stdout"
      To: LogSessionName = ""{random values}""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\Imapi
    • From: Active = "1"
      To: Active = ""1""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\Imapi
    • From: ControlFlags = "1"
      To: ControlFlags = ""1""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\Imapi\ImapiSvc
    • From: Guid = "8107d8e9-e323-49f5-bba2-abc35c243dca"
      To: Guid = ""8107d8e9-e323-49f5-bba2-abc35c243dca""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\Imapi\ImapiSvc
    • From: BitNames = "{random characters}"
      To: BitNames = "" ImapiDebugError ImapiDebugWarning ImapiDebugTrace ImapiDebugInfo ImapiDebugX ImapiDebugSort""

Step 3

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.
  • %Windows%\rundl132.exe
  • %Windows%\Logo1_.exe
  • %System Root%\_desktop.ini
  • %Windows%\Dll.dll
  • %Program Files%\_desktop.ini
  • %Program Files%\Adobe\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Esl\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\_desktop.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\_desktop.ini
  • %Program Files%\Internet Explorer\_desktop.ini
  • %Program Files%\Internet Explorer\Connection Wizard\_desktop.ini
  • %Program Files%\Internet Explorer\MUI\_desktop.ini
  • %Program Files%\Internet Explorer\MUI\0409\_desktop.ini
  • %Program Files%\Internet Explorer\PLUGINS\_desktop.ini
  • %Program Files%\Internet Explorer\SIGNUP\_desktop.ini
  • %Program Files%\Microsoft.NET\_desktop.ini
  • %Program Files%\Microsoft.NET\RedistList\_desktop.ini
  • %Program Files%\MSBuild\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\_desktop.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\_desktop.ini
  • %Program Files%\MSN\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\Install\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\_desktop.ini
  • %Program Files%\MSN\MSNCoreFiles\OOBE\_desktop.ini
  • %Program Files%\MSXML 6.0\_desktop.ini
  • %Program Files%\MSXML 6.0\EULA\_desktop.ini
  • %Program Files%\Online Services\_desktop.ini
  • %Program Files%\Outlook Express\_desktop.ini
  • %Program Files%\Reference Assemblies\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\_desktop.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\_desktop.ini
  • %Program Files%\Uninstall Information\_desktop.ini
  • %Program Files%\Windows Media Player\_desktop.ini
  • %Program Files%\Windows Media Player\Icons\_desktop.ini
  • %Program Files%\Windows Media Player\Sample Playlists\_desktop.ini
  • %Program Files%\Windows Media Player\Skins\_desktop.ini
  • %Program Files%\Windows Media Player\Visualizations\_desktop.ini
  • %Program Files%\WinPcap\_desktop.ini
  • %Program Files%\xerox\_desktop.ini
  • %Program Files%\xerox\nwwia\_desktop.ini
  • %Temp%\mo8ou7sm.TMP
  • \192.168.100.1\admin$\Logo1_.exe
  • \192.168.100.2\admin$\Logo1_.exe

Step 4

Scan your computer with your Trend Micro product to clean files detected as PE_LOOKED.IC. 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.


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