Analysis by: Jimelle Monteser
 Modified by: Rika Joi Gregorio
ALIASES:

Mal/ExpJS-BP(Sophos)

 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:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Trojan 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: 81,573 bytes
File Type: JS, HTML, HTM
Initial Samples Received Date: 18 Nov 2013
Payload: Others

Arrival Details

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

Other Details

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

It redirects browsers to the following sites:

  • http://rra5g4uj.{BLOCKED}epcteete.biz/3857076415/1384748340.pdf
  • http://rra5g4uj.{BLOCKED}epcteete.biz/3857076415/1384748340.tpl
  • http://rra5g4uj.{BLOCKED}epcteete.biz/3857076415/1384748340.jar

NOTES:

This Trojan may arrive as a part of an exploit kit.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 10.418.05
FIRST VSAPI PATTERN DATE: 18 Nov 2013
VSAPI OPR PATTERN File: 10.419.00
VSAPI OPR PATTERN Date: 19 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 JS_EXPLOYT.AE. 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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