Analysis by: Karl Dominguez
 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 is the Trend Micro detection for Web pages that were compromised through the insertion of a certain IFRAME tag. Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

  TECHNICAL DETAILS

File Size: Varies
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 05 Oct 2010
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 IFRAME tag.

It connects to the following possibly malicious URL:

  • http://{BLOCKED}etcountercheck.com/?click={random numbers}
  • http://{BLOCKED}ounter.net/?click={random numbers}
  • http://{BLOCKED}o.net/?click={random numbers}
  • http://{BLOCKED}y.com/?click={random numbers}

Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.514.11
VSAPI PATTERN Date: 05 Oct 2010
VSAPI PATTERN Date: 10/5/2010 12:00:00 AM

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 HTML_IFRAME.SMDM. 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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