BAT_HG.222

October 09, 2012

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 Analysis by: Cris Nowell Pantanilla

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 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

• 
  Threat Type: File infector
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  OVERVIEW

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

It infects by appending its code to target host files.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

BAT

Memory Resident:

No

Initial Samples Received Date:

24 May 2010

Arrival Details

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

File Infection

This file infector infects by appending its code to target host files.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

7.192.13

FIRST VSAPI PATTERN DATE:

24 May 2010

VSAPI OPR PATTERN File:

7.193.00

VSAPI OPR PATTERN Date:

25 May 2010

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 BAT_HG.222. 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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