BAT_ARUN.F

 Analysis by: Christopher Daniel So

 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 arrive bundled with malware packages as a malware component. It may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size:

97 bytes

File Type:

BAT

Memory Resident:

No

Initial Samples Received Date:

19 Jul 2011

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It may be dropped by other malware.

It may be unknowingly downloaded by a user while visiting malicious websites.

NOTES:
It executes the exported function main from the file Wdcp.dll, detected by Trend Micro as BKDR_MORIX.A, using the following command-line:

  • laass.exe Wdcp.dll main

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.298.15

FIRST VSAPI PATTERN DATE:

19 Jul 2011

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 BAT_ARUN.F

    BKDR_MORIX.A

Step 3

Scan your computer with your Trend Micro product to delete files detected as BAT_ARUN.F. 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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