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JS_REDIR.BB
Malware type: Trojan
Destructive: No
Platform: Windows 2000, XP, Server 2003
In the wild: Yes

Overview


This malicious JavaScript uses social engineering methods to lure users into performing certain actions that may, directly or indirectly, cause malicious routines to be performed. Specifically, it makes use of spammed email messages that contains text alleging the death of a certain famous celebrity.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

This Trojan arrives as attachment to mass-mailed email messages.

It redirects browsers to certain sites.

Technical Details


File size: 718 bytes
File type: Script
Memory resident: No
Initial samples received date: 22 Aug 2010
Payload: Redirects to other sites

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

Other Details

This Trojan redirects browsers to the following sites:

  • http://{BLOCKED}us.com.mx/1.html - detected as HTML_REDIR.BA

Solution


Minimum scan engine: 8.900
First VSAPI Pattern File: 7.402.06
First VSAPI Pattern Release Date: 22 Aug 2010
VSAPI OPR Pattern Version: 7.403.00
VSAPI OPR Pattern Release Date: 22 Aug 2010

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

Remove malware files dropped/downloaded by JS_REDIR.BB

    HTML_REDIR.BA

Step 3

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