Analysis by: Rommel Abraham Joven
ALIASES:

Trojan.Passwords.WOW(Malwarebytes); W32/ORSAM.AE!tr(Fortinet); Win32/PSW.WOW.NLU(ESET)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 65,536 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 10 Apr 2010

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

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

NOTES:

The DLL exports functions which are capable of doing the following:

  • Add Auto-start registry
  • Install a hook procedure

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 6.984.06
FIRST VSAPI PATTERN DATE: 10 Apr 2010
VSAPI OPR PATTERN File: 6.985.00
VSAPI OPR PATTERN Date: 11 Apr 2010

Scan your computer with your Trend Micro product to delete files detected as TROJ_ORSAM.AE. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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