HTML_OBFUS.BLC

December 05, 2013
 Analysis by: Jennifer Gumban
 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: Others

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

It requires its main component to successfully perform its intended routine. It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size:

81,137 bytes

File Type:

Java

Initial Samples Received Date:

19 Nov 2013

Arrival Details

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

Other Details

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

It redirects browsers to the following sites:

  • http://tpwz6q4w.{BLOCKED}ckdiccovet.biz/2240293701/1384835880.pdf
  • http://tpwz6q4w.{BLOCKED}ckdiccovet.biz/2240293701/1384835880.tpl
  • http://tpwz6q4w.{BLOCKED}ckdiccovet.biz/2240293701/1384835880.jar

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.420.02

FIRST VSAPI PATTERN DATE:

19 Nov 2013

VSAPI OPR PATTERN File:

10.421.00

VSAPI OPR PATTERN Date:

20 Nov 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 HTML_OBFUS.BLC. 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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