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JS_REDIR.GO

January 15, 2013
 ALIASES:

Trojan:JS/Redirector.BF (Microsoft), Trojan-Downloader.JS.Pegel.a (Kaspersky), JS/TrojanDownloader.Agent.NRL trojan (Eset), Trojan.Malscript.B (Norton), Trojan.JS.Redirector.bg (v) (Sunbelt)

 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:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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:

14,660 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

28 Dec 2012

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://mlb-com.{BLOCKED}or-biz.worldhighspeed.ru:8080/files.wordpress.com/files.wordpress.com/google.com/kaixin001.com/mtime.com/

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

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.622.05

FIRST VSAPI PATTERN DATE:

28 Dec 2012

VSAPI OPR PATTERN File:

9.623.00

VSAPI OPR PATTERN Date:

29 Dec 2012

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.GO. 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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