TROJ_PATCH.SMB

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes


  TECHNICAL DETAILS

File Size:

10,240 bytes

File Type:

DLL

Initial Samples Received Date:

09 Sep 2011

Arrival Details

This malware arrives via the following means:

  • Modified by other malware

NOTES:
These are legitimate dynamic link library (DLL) files whose code has been altered by another malware to serve as an autostart mechanism for other malware.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.428.11

FIRST VSAPI PATTERN DATE:

15 Sep 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_PATCH.SMB. 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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