Analysis by: Sabrina Lei Sioting

 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 by appending its code to target host files.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 05 Mar 2009

Installation

This file infector drops the following copies of itself into the affected system:

  • %Windows%\Logo1_.exe

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

It drops the following files:

  • %Windows%\Dll.dll
  • %Windows%\rundl132.exe

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

File Infection

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

NOTES:

This malware drops the file _desktop.INI in all folders found in the system.