Analysis by: Nice Yutuc
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 330,752 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 15 Feb 2009

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This backdoor drops the following copies of itself into the affected system and executes them:

  • %System Root%\RECYCLER\doc.xls

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It drops the following component file(s):

  • %System Root%\RECYCLER\Game.swf
  • %System Root%\{2 random characters}exe.com).xls

Other Details

This backdoor deletes itself after execution.