arrow_back
search
close

TROJ_JORIK.KJ

October 09, 2012
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be unknowingly downloaded by a user while visiting malicious websites.

It executes then deletes itself afterward.

As of this writing, the said sites are inaccessible.

It installs a fake antivirus/antispyware software.

  TECHNICAL DETAILS

File Size:

471,552 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

30 Jun 2011

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This Trojan executes then deletes itself afterward.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}oncord.org
  • http://{BLOCKED}lgin.org
  • http://{BLOCKED}almdale.org
  • http://{BLOCKED}te.org

As of this writing, the said sites are inaccessible.

Rogue Antivirus Routine

This Trojan installs a fake antivirus/antispyware software.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.256.12

FIRST VSAPI PATTERN DATE:

30 Jun 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_JORIK.KJ. 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.


Did this description help? Tell us how we did.