Analysis by: Erika Bianca Mendoza

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size: 143,360 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 19 May 2011

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}e.su/data2/10193-1.exe

Trend Micro detects the dowloaded file as:

  • BKDR_TDSS.DK

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.