Analysis by: Michael Cabel
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

BLOCKED: http://img130.imagehacks.ws/img130/4302/logo.jpeg

This Trojan executes when a user accesses certain websites where it is hosted. It may be hosted on a website and run when a user accesses the said website.

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: Varies
File Type: Script
Memory Resident: Yes
Initial Samples Received Date: 27 Apr 2009

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

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

Download Routine

As of this writing, the said sites are inaccessible.

Other Details

This Trojan inserts the following IFRAME code in webpages:

  • http://img130.{BLOCKED}acks.ws/img130/4302/logo.jpeg

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 05.988.09
VSAPI PATTERN Date: 28 Apr 2009
VSAPI PATTERN Date: 4/28/2009 12:00:00 AM
VSAPI OPR PATTERN File: 07.345.00
VSAPI OPR PATTERN Date: 29 Sep 2010

Step 1

Close all opened browser windows

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.

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_IFRAME.AVD. 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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