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

Canal de infecção: 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.

As of this writing, the said sites are inaccessible.

It restarts the affected system. It deletes itself after execution.

  TECHNICAL DETAILS

Tipo de compactação: 202,240 bytes
Tipo de arquivo: EXE
Residente na memória: Yes
Data de recebimento das amostras iniciais: 18 Sep 2014
Carga útil: Connects to URLs/IPs, Restarts system

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.

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Classes\
CLSID\{CLSID}

HKEY_CLASSES_ROOT\CLSID\{CLSID}

Download Routine

This Trojan connects to the following URL(s) to download its component file(s):

  • http://{BLOCKED}t.su/mod_jshoppi-1985.654/soft32.dll

As of this writing, the said sites are inaccessible.

Other Details

This Trojan restarts the affected system.

It deletes itself after execution.

NOTES:

This Trojan modifies the NTFS boot sector to load its encrypted code.

  SOLUTION

Mecanismo de varredura mínima: 9.700

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 TROJ_ROVNIX.JCS. 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.

NOTES:

For Trend Micro product users, use the ATTK with ATRT to restore the modified Initial Program Loader (IPL) of an active NTFS partition.


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