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JS_REDIR.PEJ

October 09, 2012
 ALIASES:

Trojan:JS/BlacoleRef.Z (Microsoft); JS/Redirector (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 malicious HTML file contains a JavaScript that redirects the user to certain malicious sites.

  TECHNICAL DETAILS

File Size:

322 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

25 Apr 2012

Payload:

Downloads files

Arrival Details

This Trojan may be downloaded from the following remote sites:

  • http://{BLOCKED}arimurunleri.com/VtniDJzm/index.html
  • http://{BLOCKED}lpoins.com/cRf1grM3/index.html
  • http://{BLOCKED}svente.com/yFFwdc71/index.html
  • http://{BLOCKED}vis.com/88aviPtW/index.html
  • http://{BLOCKED}a.co.id/YvjPAdUQ/index.html
  • http://{BLOCKED}gitcilik.com/13PYM8Aw/index.html
  • http://www.{BLOCKED}eritalynow.com/8XVJWnDj/index.html
  • http://www.{BLOCKED}fficial.net/Rx4cnvrA/index.html
  • http://{BLOCKED}a.co.id/gJRB1TSt/index.html
  • http://{BLOCKED}yplaza.com/8XVJWnDj/index.html

NOTES:

This malicious HTML file contains a JavaScript that redirects the user to any of the following malicious sites:

  • http://{BLOCKED}ernet.com/DNWgQg9k/js.js
  • http://{BLOCKED}idia.com.br/DwgbXz3h/js.js
  • http://{BLOCKED}media.com/HRP1EkFL/js.js

The said sites then lead to the following site which hosts a Blackhole Exploit Kit:

  • http://{BLOCKED}.{BLOCKED}.172.153/

As a result, several exploit malware, including JAVA_AGENT.PEJ, are executed on the affected system, which also leads to further malware download(s).

  SOLUTION

Minimum Scan Engine:

9.200

VSAPI OPR PATTERN File:

8.942.03

VSAPI OPR PATTERN Date:

25 Apr 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

Remove malware/grayware files dropped/downloaded by JS_REDIR.PEJ

    • JAVA_AGENT.PEJ

Step 3

Close all opened browser windows

Step 4

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