Analysis by: Karl Dominguez
 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

This Trojan may redirect to other malicious URLs. Another redirection from these websites points the user to possibly download other malicious files.

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain malicious script. Once a compromised site is visited, the user is redirected to a certain malicious site.

  TECHNICAL DETAILS

File Size: Varies
File Type: ASP, HTML, HTM
Memory Resident: No
Initial Samples Received Date: 06 Dec 2011
Payload: Connects to URLs/IPs

Other Details

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

Once a compromised site is visited, the user is redirected to the following malicious site:

  • http://{BLOCKED}ophilupop.com/s

NOTES:

The URL mentioned above may redirect to other malicious URLs such as the following:

  • http://{BLOCKED}l31inesst.rr.nu/n.php?h=1&s=sl
  • http://{BLOCKED}61ngunde.rr.nu/n.php?h=1&s=sl
  • http://{BLOCKED}2hbot.rr.nu/n.php?h=1&s=sl
  • http://{BLOCKED}p96arat.rr.nu/n.php?h=1&s=sl

Another redirection from the above-mentioned websites points the user to following URL to possibly download other malicious files:

  • http://www4.{BLOCKED}defenseqkf.rr.nu/?{random characters}

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.628.03
FIRST VSAPI PATTERN DATE: 06 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

Scan your computer with your Trend Micro product to delete files detected as HTML_REDIR.MCC. 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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