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

Tamaño del archivo Varies
Tipo de archivo JS, HTML, HTM
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 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

Motor de exploración mínimo 9.700
Primer archivo de patrones de VSAPI 11.156.05
Primera fecha de publicación de patrones de VSAPI 18 Sep 2014
Versión de patrones OPR de VSAPI 11.157.00
Fecha de publicación de patrones OPR de VSAPI 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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