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TROJ_AUTOINF.AF

October 09, 2012
 Analysis by: Mark Joseph Manahan
 ALIASES:

INF/AutoRun!tr (Fortinet)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan may be dropped by other malware.

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size:

2,934 bytes

File Type:

INF

Initial Samples Received Date:

08 Sep 2012

Arrival Details

This Trojan may be dropped by other malware.

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • {removable drive}:\{random filename}\{random filename}.exe

  SOLUTION

Minimum Scan Engine:

9.200

VSAPI OPR PATTERN File:

9.379.00

VSAPI OPR PATTERN Date:

08 Sep 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

Scan your computer with your Trend Micro product to delete files detected as TROJ_AUTOINF.AF. 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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