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JAVA_EXPLOIT.JK

October 09, 2012
 Analysis by: Joseph Obed
 ALIASES:

Exploit:Java/CVE-2012-0507.A (Microsoft); Exploit-CVE2012-0507 (McAfee); Trojan.Java.Agent.bd (Kaspersky); Trojan.Maljava (Symantec)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003, Mac OS

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

2,232 bytes

File Type:

Java Class

Memory Resident:

Yes

Initial Samples Received Date:

26 Mar 2012

Arrival Details

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

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

NOTES:

This Trojan requires its main component (.JAR package) to successfully perform its intended routine. It is capable of downloading and executing other possibly malicious files from a certain URL.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.866.03

FIRST VSAPI PATTERN DATE:

26 Mar 2012

VSAPI OPR PATTERN File:

8.867.00

VSAPI OPR PATTERN Date:

27 Mar 2012

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 clean files detected as JAVA_EXPLOIT.JK. 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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