Analysis by: Erika Bianca Mendoza

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This file infector infects certain file types by inserting code in the said files.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 07 Apr 2011
Payload: Drops files

Arrival Details

This malware arrives via the following means:

  • may arrive in the system when infected files are executed
  • may be downloaded unknowingly when visiting malicious websites

Autostart Technique

This file infector drops the following files:

  • %Application Data%\{random}.dll - non-malicious

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

File Infection

This file infector infects files with the following file extensions by inserting code in the said files:

  • .EXE