Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component.

  TECHNICAL DETAILS

File Size: 71,168 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 05 Nov 2010

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

Other Details

Based on analysis of the codes, it has the following capabilities:

  • May be dropped as %System%\nvsvc.exe
  • Uses ARP Poisoning to intercept web traffic in the affected system and insert scripts into webpages.
  • Inserts the following script tag:

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: not yet patched

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

Identify and terminate files detected as TROJ_ARPSPOOF.K

[ Learn More ]
  1. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  2. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_ARPSPOOF.K. 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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