Analysis by: Erika Bianca Mendoza
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan drops certain files as part of its installation routine. It modifies the certain registry entries.

  TECHNICAL DETAILS

File Size: 8,192 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 08 Apr 2009

Installation

This Trojan drops the following files:

  • %User Temp%\123.info
  • %User Temp%\shell32.dll

(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.)

Other System Modifications

This Trojan modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{35CEC8A3-2BE6-11D2-8773-92E220524153}\InprocServer32
Default = "%User Temp%\shell32.dll"

(Note: The default value data of the said registry entry is %System%\stobject.dll.)