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

  TECHNICAL DETAILS

File Size: 2,056 bytes
File Type: HTML, HTM
Initial Samples Received Date: 06 Mar 2009

Arrival Details

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ver2.ys168.com/ys168up/D1/ys1.aspx?f=woaiyang1314.exey71z74f8b3f8b5f8b6z95b1b2b1b5b0b6f5f9b1b1f9f9b3f6e01e20e01e24b1b1f2f8b6f9b1f6b3f8b3z

  SOLUTION

Minimum Scan Engine: 9.200
VSAPI OPR PATTERN File: 5.883.00
VSAPI OPR PATTERN Date: 06 Mar 2009

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_MHTREDIR.GV. 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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