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: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may be downloaded by other malware/grayware/spyware from remote sites. It may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites.

As of this writing, the said sites are inaccessible.

It opens a hidden Internet Explorer window.

  TECHNICAL DETAILS

File Size: 696,320 bytes
File Type: PE
Memory Resident: No
Initial Samples Received Date: 08 Oct 2008
Payload: Downloads files, Displays ads

Arrival Details

This Trojan may be downloaded by other malware/grayware/spyware from remote sites.

It may be dropped by other malware.

It may be unknowingly downloaded by a user while visiting malicious websites.

Download Routine

As of this writing, the said sites are inaccessible.

Adware Routine

This Trojan connects to the following URLs to download and display ads:

  • ads.{BLOCKED}59-195.com

Other Details

This Trojan opens a hidden Internet Explorer window.

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 5.588.01
FIRST VSAPI PATTERN DATE: 08 Oct 2008
VSAPI OPR PATTERN File: 7.517.00
VSAPI OPR PATTERN Date: 06 Oct 2010

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 TROJ_SWIZZOR.FGH. 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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