Analysis by: Sabrina Lei Sioting
 Modified 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: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It may be unknowingly downloaded by a user while visiting malicious websites. It may be hosted on a website and run when a user accesses the said website.

It takes advantage of an unknown vulnerability in a certain software to allow a remote malicious user or malware to download files on the affected machine. It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 6,135 bytes
File Type: Java Class
Memory Resident: No
Initial Samples Received Date: 27 Jan 2011
Payload: Downloads files

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

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

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

Other Details

This Trojan takes advantage of an unknown vulnerability in a certain software to allow a remote malicious user or malware to download files on the affected machine.

More information on this vulnerability can be found below:

It takes advantage of the following vulnerabilities:

  • CVE-2010-0094

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.794.18
VSAPI PATTERN Date: 27 Jan 2011
VSAPI PATTERN Date: 1/27/2011 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 TROJ_JAVA.DE. 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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