Analysis by: Adrian Cofreros
ALIASES:

JS/Exploit-CVE2013-2551(NAI),VirTool:JS/Obfuscator.FG(Microsoft),Trojan.JS.Agent.cie(Kaspersky)

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

  TECHNICAL DETAILS

File Size: Varies
File Type: JS, HTML, HTM
Memory Resident: Yes
Initial Samples Received Date: 18 Sep 2014

Arrival Details

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

NOTES:
It runs code on the user's browser.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 11.156.05
FIRST VSAPI PATTERN DATE: 18 Sep 2014
VSAPI OPR PATTERN File: 11.157.00
VSAPI OPR PATTERN Date: 19 Sep 2014

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_AGENT.KHU. 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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