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JS_REDIR.LE

October 08, 2012
 Analysis by: jasperm
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

5,397 bytes

File Type:

Script

Memory Resident:

No

Initial Samples Received Date:

23 Sep 2010

Payload:

Downloads files

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

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

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}anovermeire.org/iframefile.js

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.485.80

VSAPI PATTERN Date:

23 Sep 2010

VSAPI PATTERN Date:

9/23/2010 12:00:00 AM

Step 1

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

Step 2

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.


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