JS_VERCUSER.DAM

July 31, 2013
 Analysis by: Jimelle Monteser
 ALIASES:

Worm:JS/Proslikefan.K (Microsoft), JS:Trojan.JS.Agent.HP (Bitdefender)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

15,548 bytes

File Type:

JS

Initial Samples Received Date:

22 Jul 2013

Arrival Details

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

It may be hosted on a website and run when a user accesses the said website.

NOTES:

This is the Trend Micro detection for damaged samples of JS_VERCUSER variants. These samples have coding errors that prevent them from properly executing their routines.