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TROJ_INJECTOR.SS

October 09, 2012
 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


  TECHNICAL DETAILS

File Size:

17,925 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

08 Jun 2011

Installation

This Trojan drops the following copies of itself into the affected system:

  • %User Profile%\Local Settings\VSS.exe

(Note: %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.)

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
VSS = %User Profile%\Local Settings\VSS.exe

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.58.243/akbht.php?id=000636111D307928DD
  • http://{BLOCKED}.{BLOCKED}.58.243/akbht.php?id=023160111D307928DD
  • http://{BLOCKED}.{BLOCKED}.58.243/kysba.php?id=013106111D307928DD
  • http://{BLOCKED}.{BLOCKED}.58.243/kysba.php?id=023287111D307928DD