Fake VirusTotal serves Drive-by Download Malware

May 25, 2011

SonicWALL UTM Research team received reports of a fake VirusTotal Website serving malware through drive-by download. By visiting the website, the embedded Java Applet code will download the malware as seen below:

Fake VirusTotal Website: http://ne{REMOVED}otal.tk/


The applet is unsigned and prompts for the user's permission to run. If the user proceeds and runs the applet it downloads the malware and executes it. The downloaded malware uses the following icon:


This malware is also known as n0ise bot designed primarily to add zombies for the malware author's botnet. Attacks include the following:

  • UDP Flood
  • ICMP Flood
  • SYN Flood
  • HTTP Flood

Other features of this malware includes:

  • Anti Cain
  • Anti Debugger
  • Anti Emulator
  • Anti Filemon
  • Anti Netstat
  • Anti Networkmon
  • Anti ParallelsDesktop
  • Anti Processmon
  • Anti Regmon
  • Anti TCPView
  • Anti VirtualBox
  • Anti VirtualPC
  • Anti VMWare
  • Anti Wireshark

Command and Control Server:

Server Name: http://rea{REMOVE}trol.de/bot/gate.php

This malware sends to remote server system informations such as:

  • Bot Version
  • PC Name
  • Windows Version
  • IP Address

Backdoor Functionality:

  • Update Bot
  • Remove Bot
  • CheckInstall
  • Self Destruct
  • Disable Procedures
  • Get Server Command

SonicWALL Gateway AntiVirus provides protection against this threat with the following signatures:

GAV: Arcdoor.AG (Worm)
GAV: Downloader.AJ (Exploit)