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JS_REDIR.SMAL

October 08, 2012
 Analysis by: Marfel Tiamzon
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be unknowingly downloaded by a user while visiting malicious websites. It may be hosted on a website and run when a user accesses the said website.

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain malicious script.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Script

Memory Resident:

No

Initial Samples Received Date:

21 Sep 2010

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

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

Other Details

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain malicious script.

It connects to the following possibly malicious URL:

  • http://{BLOCKED}uno-india.com/x.html
  • http://{BLOCKED}y.co.za/x.html
  • http://{BLOCKED}ree.org/x.html
  • http://{BLOCKED}ree.org/x.html
  • http://{BLOCKED}griffithphoto.com/x.html

It does the following:

  • This JavaScript is a smart detection for JavaScripts that redirect users to other malicious scripts.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI OPR PATTERN File:

7.477.00

VSAPI OPR PATTERN Date:

20 Sep 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

Close all opened browser windows

Step 3

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