BAT_SMF.121.A

October 08, 2012

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 Analysis by: Christopher Daniel So

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 ALIASES:

Virus.BAT.SMF.b (Kaspersky), BAT.SMF.121 (Symantec), BAT/SMF.121 (Avira), Mid/BatSMF-121 (Sophos)

 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

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

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

Varies

File Type:

BAT

Memory Resident:

No

Initial Samples Received Date:

13 Aug 2001

Payload:

Modifies files

File Infection

This file infector infects the following file types:

• BAT

It infects by appending its code to target host files.

  SOLUTION

Minimum Scan Engine:

8.900

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_SMF.121.A. 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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