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ALS_BURSTED.VTG

October 09, 2012
 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 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:

1,920 bytes

File Type:

LSP

Initial Samples Received Date:

29 Jul 2011

Arrival Details

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

NOTES:

This AutoLisp Script is executed once an AutoCAD drawing file is opened. It first searches for the file, BASE.DCL and looks for ACADDOC.LSP in the same directory where BASE.DCL is located.

It also searches for the file ACADDOC.LSP from where the current drawing file is saved. If found, it copies the content of the file ACADDOC.LSP to the file ACADDOC.LSP in the directory where BASE.DCL is located.

It then loads the file "acadapq".

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.319.80

FIRST VSAPI PATTERN DATE:

29 Jul 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 ALS_BURSTED.VTG. 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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