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ALS_BURSTED.FUU

August 16, 2013
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

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:

1,738 bytes

File Type:

Script

Memory Resident:

Yes

Initial Samples Received Date:

30 Dec 2012

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 malware searches for the program AutoCAD current working folder by finding the files BASE.DCL and ACADDOC.LSP. It drops a copy of itself in the said the working folder as ACADDOC.LSP. Once a new drawing file is opened, the dropped copy is automatically loaded and executed.

It may also load a certain AutoLISP script named ACADAPQ.LSP.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.214.09

FIRST VSAPI PATTERN DATE:

13 Aug 2013

VSAPI OPR PATTERN File:

10.215.00

VSAPI OPR PATTERN Date:

13 Aug 2013

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 ALS_BURSTED.FUU. 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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