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JS_KILIM.KDA

July 06, 2015
 Analysis by: David John Agni
 Modified by: RonJay Kristoffer Caragay
 ALIASES:

S/Kryptik.ATB trojan (ESET-NOD32), JS:Trojan.Script.CMT (BitDefender)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It is a component of other malware.

It requires its main component to successfully perform its intended routine. It presents itself as a plugin/add-on/extension for certain applications.

  TECHNICAL DETAILS

File Size:

8,117 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

30 Jun 2015

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan is a component of other malware.

Other Details

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

It presents itself as a plugin/add-on/extension for the following applications:

  • Chrome

NOTES:

Its functions mainly depend on its main component.

It has store and fetch functions.

This browser plug-ins checks for the value of the following:

  • SCode
  • URL
  • Epoch

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.444.04

FIRST VSAPI PATTERN DATE:

29 Jan 2015

VSAPI OPR PATTERN File:

11.445.00

VSAPI OPR PATTERN Date:

30 Jan 2015

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

Scan your computer with your Trend Micro product to delete files detected as JS_KILIM.KDA. 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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