Analysis by: Mark Joseph Manahan
 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 is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size: Varies
File Type: DLL
Initial Samples Received Date: 17 Feb 2012

Arrival Details

This malware arrives via the following means:

  • Modified by other malware

Other Details

This is the Trend Micro detection for:

  • Legitimate .DLL files that have been modified by another malware to aid in performing its malicious routines.

  SOLUTION

Minimum Scan Engine: 9.300
VSAPI OPR PATTERN File: 8.783.00
VSAPI OPR PATTERN Date: 17 Feb 2012

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as PE_PATCHED.SMG 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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