Analysis by: Michael Cabel
 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 malware exploits a vulnerability in Java Runtime Environment to allow a remote user to execute arbitrary commands.

It connects to a certain URL to communicate with its remote server.

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

  TECHNICAL DETAILS

File Size: 74,647 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 05 Dec 2011
Payload: Compromises system security, Connects to URLs/IPs

Arrival Details

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

NOTES:

It exploits the following vulnerability in Java Runtime Environment to allow a remote user to execute arbitrary commands:

It connects to the following URL to communicate with its remote server:

  • http://{BLOCKED}fdhgfhf.osa.pl

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.624.09
FIRST VSAPI PATTERN DATE: 05 Dec 2011

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 JS_AGENT.BAPV. 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 4

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.  http://www.oracle.com/technetwork/topics/security/javacpuoct2011-443431.html


Did this description help? Tell us how we did.