Analysis by: Cris Nowell Pantanilla
 Modified by: Kathleen Notario
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive on a system as a fake plugin for Google Chrome or Mozilla Firefox. The URL redirections may then lead to advertisements or scam surveys that may ask for the user's mobile number.

This Trojan may be hosted on a website and run when a user accesses the said website. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size: 14,967 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 23 Dec 2011

Arrival Details

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

It may be downloaded from the following remote sites:

  • http://{BLOCKED}mativenew.in/youtube.crx
  • http://{BLOCKED}k5.in/youtube.crx
  • http://{BLOCKED}5.in/youtube.xpi

It may be manually installed by a user.

NOTES:

It may arrive on a system as a fake plugin for Google Chrome or Mozilla Firefox.

It redirects to the following malicious sites:

  • http://{BLOCKED}mativenews.in/test/script.js
  • http://{BLOCKED}k5.in/script.js

The redirection may then lead to advertisements or scam surveys that may ask for the user's mobile number.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.662.04
FIRST VSAPI PATTERN DATE: 23 Dec 2011
VSAPI OPR PATTERN File: 8.663.00
VSAPI OPR PATTERN Date: 24 Dec 2011

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 TROJ_REDIR.CU. 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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