JAVA_AGENT.MBA

October 08, 2012

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 Analysis by: Michael Cabel

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 ALIASES:

Microsoft: Exploit:Java/CVE-2008-5353.VZ; Kaspersky: Trojan-Downloader.JS.Agent.fns

 PLATFORM:

Windows 2000, XP, 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 may arrive bundled with malware packages as a malware component.

  TECHNICAL DETAILS

File Size:

766 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

31 Jan 2011

Arrival Details

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

NOTES:
This Trojan executes functions from its component malwares JAVA_DLOAD.ZD and JAVA_AGENT.MBC. As a result, malicious routines of these malwares are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

8.900

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

Remove malware files dropped/downloaded by JAVA_AGENT.MBA

• JAVA_AGENT.MBC
• JAVA_DLOAD.ZD

Step 3

Scan your computer with your Trend Micro product to delete files detected as JAVA_AGENT.MBA. 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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Related Malware

• JAVA_AGENT.MBC
• JAVA_DLOAD.ZD