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VBS_SASAN.CO

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, 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 as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

110 bytes

File Type:

INI

Memory Resident:

No

Initial Samples Received Date:

29 Sep 2008

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

Propagation

The said .INF file contains the following strings:

[autorun]
shellexecute=wscript.exe killgodzilla.vbs

Other Details

This Trojan requires the following additional components to properly run:

  • killgodzilla.vbs

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

5.572.01

VSAPI PATTERN Date:

30 Sep 2008

VSAPI PATTERN Date:

9/30/2008 12:00:00 AM

VSAPI OPR PATTERN File:

5.573.00

VSAPI OPR PATTERN Date:

30 Sep 2008

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 VBS_SASAN.CO. 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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