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JS_BLACOLE.MD

March 21, 2013
 ALIASES:

JS/Redir.JP (FProt), Exploit:JS/Blacole.MN (Microsoft), JS/Kryptik.AIJ (NOD32), Trojan.JS.Obfuscator.aa (Sunbelt)

 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:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

1,051 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

20 Mar 2013

Arrival Details

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}finfal.ru:8080/forum/links/column.php

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.800.03

FIRST VSAPI PATTERN DATE:

20 Mar 2013

VSAPI OPR PATTERN File:

9.801.00

VSAPI OPR PATTERN Date:

21 Mar 2013

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 JS_BLACOLE.MD. 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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