Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan executes when a user accesses certain websites where it is hosted.

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: Varies
File Type: Script
Memory Resident: No
Initial Samples Received Date: 04 Sep 2010

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

Download Routine

As of this writing, the said sites are inaccessible.

Other Details

This Trojan attempts to access the following websites to download files, which are possibly malicious:

  • http://nuttypiano.com/
  • http://pocketbloke.ru/

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.436.05
VSAPI PATTERN Date: 05 Sep 2010
VSAPI PATTERN Date: 9/5/2010 12:00:00 AM

Step 1

Close all opened browser windows

Step 2

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 3

Scan your computer with your Trend Micro product to delete files detected as JS_HACKLOAD.SM. 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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