Analysis by: Cris Nowell Pantanilla
 PLATFORM:

Windows 98, ME, NT, 2000, XP, 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 unknowingly downloaded by a user while visiting malicious websites. However, as of this writing, the said sites are inaccessible.

It accesses websites to download files. This action allows this malware to possibly add other malware on the affected computer. It executes downloaded files whose malicious routines are exhibited by the affected system.

  TECHNICAL DETAILS

File Size: Varies
File Type: Script
Memory Resident: No

Arrival Details

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

However, as of this writing, the said sites are inaccessible.

Download Routine

This Trojan accesses websites to download the following files:

  • http://{BLOCKED}NT002.CN
  • http://{BLOCKED}11.co.in

It executes downloaded files :

    whose malicious routines are exhibited by the affected system.

      SOLUTION

    Minimum Scan Engine: 8.900
    VSAPI OPR PATTERN File: 6.967.00
    VSAPI OPR PATTERN Date: 02 Apr 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 JS_QAKBOT.AZ. 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.


    Did this description help? Tell us how we did.