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JS_KRYPTIK.WAE

January 24, 2015
 Analysis by: Cris Nowell Pantanilla
 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


This Trojan may be downloaded by other malware/grayware/spyware from remote sites. It executes when a user accesses certain websites where it is hosted.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

27,560 bytes

File Type:

Java

Memory Resident:

No

Initial Samples Received Date:

06 Jan 2015

Arrival Details

This Trojan may be downloaded by other malware/grayware/spyware from remote sites.

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ytmnbeyo1hfy.com

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.394.08

FIRST VSAPI PATTERN DATE:

06 Jan 2015

VSAPI OPR PATTERN File:

11.395.00

VSAPI OPR PATTERN Date:

07 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_KRYPTIK.WAE. 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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