Analysis by: Michael Cabel
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type:

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This unknown may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size: Varies
File Type: LNK
Memory Resident: No
Initial Samples Received Date: 10 Jan 2010

Arrival Details

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

It may be dropped by other malware.

Other Details

For more information on the aforementioned vulnerabilities, please see the following pages:

This is the Trend Micro detection for:

  • Shortcut files that attempt to exploit a vulnerablity in Windows Shell that could allow execution of arbitrary commands.

It does the following:

  • It tends to execute the dropped copy of its main component malware. This .LNK file is usually dropped in removable drives using random file names.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI OPR PATTERN File: 6.758.06
VSAPI OPR PATTERN Date: 10 Jan 2010

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_DLOADR.SMA. 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.  http://www.microsoft.com/technet/security/bulletin/ms10-aug.mspx


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