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

Infection Channel: Infects files

This file infector infects by appending its code to target host files. It 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

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 by appending its code to target host files.

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

  • .EXE