Zonebak Trojan or Trojan.zonebak is another dangerous infection that is part of the vundo trojan or Trojan.vundo series of infections. Zonebak Trojan may change various settings on your computer without your permission or consent such as the security settings on Internet Explorer.

Zonebak Trojan may expose your browser to other attacks. Zonebak Trojan produces various fake popups and alert messages that may read “Your browser was hijacked by Zonebak”. This is a scare tactic used by Zonebak Trojan to get you to purchase rogue software. You must not fall into this trap. The following process will help you remove Zonebak Trojan from your system easily and safely. Zonebak Trojan Manual Removal Process:
1. Click on the Start Menu button, then click on the Control Panel option, and then Double-click on the Add or Remove Programs icon. Zonebak Trojan Removal Process (remove Zonebak Trojan) - PCHubs.com