LNK_STUXNET.B

October 09, 2012
 Analysis by: Cris Nowell Pantanilla
 Modified by: Karl Dominguez
 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 dropped by other malware.

  TECHNICAL DETAILS

File Size:

166 bytes

File Type:

LNK

Memory Resident:

No

Initial Samples Received Date:

01 Apr 2011

Arrival Details

This Trojan may be dropped by other malware.

NOTES:
It exploits the following vulnerability in the Windows Shell that could allow arbitrary commands to be executed:

This malware is usually dropped by other malware to automatically execute the dropped copy in removable drives.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

7.944.02

FIRST VSAPI PATTERN DATE:

01 Apr 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 LNK_STUXNET.B. 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.

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


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