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JAVA_BLACOLE.BNT

October 09, 2012
 Analysis by: Christopher Daniel So
 ALIASES:

Exploit:Java/Blacole.GD (Microsoft), JS/Exploit-Blacole (McAfee), Exploit.Java.CVE-2012-0507.nk (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 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 executes when a user accesses certain websites where it is hosted.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Java Class

Initial Samples Received Date:

19 Jul 2012

Arrival Details

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

It executes when a user accesses certain websites where it is hosted.

NOTES:

This Trojan downloads from the URL specified in the parameter sw, and saves the downloaded file as %User Temp%\{random file name}. It then executes the downloaded file.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

9.268.07

FIRST VSAPI PATTERN DATE:

19 Jul 2012

VSAPI OPR PATTERN File:

9.269.00

VSAPI OPR PATTERN Date:

19 Jul 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you to allow full scanning of your computer.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your live casino online product to delete files detected as JAVA_BLACOLE.BNT. If the detected files have already been cleaned, deleted, or quarantined by your live casino online product, no further step is required. You may opt to simply delete the quarantined files. Please check this for more information.