JS_REDIR.GBR

November 19, 2012
 Analysis by: Rhena Inocencio
 ALIASES:

Trojan:JS/BlacoleRef.W (Microsoft), JS/Exploit-Blacole.gg !! (McAfee)

 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

Infection Channel:

Downloaded from the Internet

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

This is the Trend Micro detection for files that contain a malicious script. It redirects browsers to certain sites. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

1,179 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

31 Oct 2012

Payload:

Connects to URLs/IPs

Arrival Details

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

Other Details

This is the Trend Micro detection for files that contain a malicious script.

It redirects browsers to the following sites:

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

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

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.498.05

FIRST VSAPI PATTERN DATE:

31 Oct 2012

VSAPI OPR PATTERN File:

9.499.00

VSAPI OPR PATTERN Date:

01 Nov 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.GBR. 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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