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JAVA_EXPLOIT.AGM

January 10, 2014
 ALIASES:

Exploit:Java/CVE-2012-4681 (Microsoft), Exploit-CVE2012-4681 (McAfee), Exp/20124681-B (Sophos), Exploit.Java.CVE-2012 (Ikarus), Java/Exploit.Agent.QQN trojan (Eset)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

12,288 bytes

File Type:

JAR

Memory Resident:

No

Initial Samples Received Date:

02 Jan 2014

Payload:

Downloads files

Arrival Details

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

Download Routine

This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:

It downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.

NOTES:

This is a malicious Java archive file (.JAR), which attempts to download and execute malicious file from a certain website. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.

As a a result, routines of the downloaded file may also be exhibited in the affected system.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

10.530.01

FIRST VSAPI PATTERN DATE:

02 Jan 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as JAVA_EXPLOIT.AGM. 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/alert-cve-2012-4681-1835715.html


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