TROJ_OTORUN.NT

October 09, 2012
 Analysis 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: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

413 bytes

File Type:

INF

Initial Samples Received Date:

18 Jan 2012

Arrival Details

This Trojan may be dropped by other malware.

NOTES:

This is Trend Micro detection for autorun.inf files usually dropped by WORM_AUTORUN variants in physical and removable drives to enable automatic execution of its main WORM component in every system startup.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.716.05

FIRST VSAPI PATTERN DATE:

18 Jan 2012

VSAPI OPR PATTERN File:

8.717.00

VSAPI OPR PATTERN Date:

19 Jan 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_OTORUN.NT. 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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