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JAVA_CVE20124681.B

February 05, 2016
 Analysis by: Pearl Charlaine Espejo
 ALIASES:

Java.Exploit.CVE-2012-4681.R (BitDefender); Exploit.Java.CVE-2012 (Ikarus); HEUR:Exploit.Java.CVE-2012-4681.gen (Kaspersky); Exploit:Java/CVE-2012-4681 (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be hosted on a website and run when a user accesses the said website.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

4,822 bytes

File Type:

JAR

Memory Resident:

No

Initial Samples Received Date:

15 Jan 2016

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

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

Download Routine

This Trojan then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

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.

Other Details

This Trojan requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.304.07

FIRST VSAPI PATTERN DATE:

29 Jan 2016

VSAPI OPR PATTERN File:

12.305.00

VSAPI OPR PATTERN Date:

30 Jan 2016

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_CVE20124681.B. 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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