Analysis by: Jennifer Gumban
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.

It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size: 941 bytes
File Type: Java
Initial Samples Received Date: 22 Feb 2013

Arrival Details

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

It may be hosted on a website and run when a user accesses the said website.

Other Details

This Trojan redirects browsers to the following sites:

  • http://{BLOCKED}.{BLOCKED}.245.146:8080/forum/links/column.php

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 9.746.05
FIRST VSAPI PATTERN DATE: 22 Feb 2013
VSAPI OPR PATTERN File: 9.747.00
VSAPI OPR PATTERN Date: 23 Feb 2013

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_REDIR.HF. 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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