Analysis by: Cris Nowell Pantanilla
 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 may be dropped by other malware.

It is a component of other malware.

It requires its main component to successfully perform its intended routine. It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size: 914 bytes
File Type: VBS
Initial Samples Received Date: 28 Sep 2009

Arrival Details

This Trojan may be dropped by the following malware:

  • VBS_FAKEAV.SMW

Installation

This Trojan is a component of other malware.

Other Details

This Trojan requires its main component to successfully perform its intended routine.

It automatically executes the following files when a user opens a drive:

  • {DRIVE}:\FAantivirus.vbs - detected as VBS_FAKEAV.SMW

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 6.484.01
FIRST VSAPI PATTERN DATE: 28 Sep 2009

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

Remove the malware/grayware file that dropped/downloaded VBS_AUTORUN.FEG

Step 3

Scan your computer with your Trend Micro product to delete files detected as VBS_AUTORUN.FEG. 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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