Analysis by: Abraham Latimer Camba
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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

Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL. It inserts an IFRAME tag that redirects users to certain URLs. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: 3,404 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 06 Jun 2012

Arrival Details

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

Other Details

Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

It inserts an IFRAME tag that redirects users to the following URLs:

  • http://{BLOCKED}exation.ru:8080/forum/showthread.php?page=5fa58bce769e5c2c

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

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 9.172.06
FIRST VSAPI PATTERN DATE: 06 Jun 2012
VSAPI OPR PATTERN File: 9.173.00
VSAPI OPR PATTERN Date: 06 Jun 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

Close all opened browser windows

Step 3

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