Modified by: Michael Cabel
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • 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: 183 bytes
File Type: VBS
Initial Samples Received Date: 18 Feb 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:
When running, this Trojan executes the file J_Y.WoRm.JPG, detected by Trend Micro as WORM_OTORUN.ZYN.

As a result, routines of the said file is exhibited on the affected system.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.786.01
FIRST VSAPI PATTERN DATE: 18 Feb 2012
VSAPI OPR PATTERN File: 8.787.00
VSAPI OPR PATTERN Date: 19 Feb 2012

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 malware files dropped/downloaded by VBS_AUTORUN.HFP

Step 3

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