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 arrives as a component bundled with malware/grayware/spyware packages. It may be hosted on a website and run when a user accesses the said website.

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 834 bytes
File Type: Java Class
Memory Resident: No
Initial Samples Received Date: 19 Sep 2010

Arrival Details

This Trojan arrives as a component bundled with malware/grayware/spyware packages.

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

Other Details

This Trojan takes advantage of the following vulnerabilities:

  • CVE-2009-3867 - Stack-based overflow in HsbParser.getSoundBank function which allows remote attackers to execute arbitrary commands in the affected system

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 7.472.05
FIRST VSAPI PATTERN DATE: 19 Sep 2010

Step 1

For Windows ME and XP 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 JAVA_BYTEFY.W 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.

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


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