Antivirus 8 is a new rogue antivirus program that infects computers and pretends to be a legitimate tool.
As soon as it infects your computer, it will scan your computer.
A couple of minutes later the fake scan concludes and you are presented with an alarming scan result that shows various types of infections.
If you try to remove the infections, Antivirus 8 directs you to a fake purchasing page in order to sell you this phony software for $59.
You should not purchase this program by any means.
Below are easy to follow Antivirus 8 removal steps.
A common symptom of Antivirus 8 infection is that when you try to open Internet Explorer or any other browser, you receive the following message: About Internet Explorer Emergency Mode Your PC is infected with malicious software and browse couldn't be launched.
You may use Internet Explorer in Emergency Mode - internal service browser of Microsoft Windows system with limited usability.
Notice: Some sites refuse connection with Internet Explorer in Emergency Mode.
In such case system warning page will be showed to you.
In such case you can still open your IE browser and access the Internet by going to your IE folder (usually located in C:\Program Files\Internet Explorer) and making a copy of the iexplore file and renaming the copy to explorer then double-click on explorer to start Internet Explorer.
Steps to remove Antivirus 8:

1. Hit the 3 buttons Ctrl+Alt+Del on your keyboard.
   This brings up your task manager.
   
2. In task manager, locate the process called AV8.
   exe, right-click on it and choose 'end process'.
   You should now be able to run your existing anti-virus program.
   
3. Update your existing anti-virus program and run a full scan to remove Antivirus 8.
   

By following the above steps you should be able to remove Antivirus 8 without much trouble.
If for some reason you cannot follow the steps, or your anti-virus is unable to get rid of Antivirus 8, you can download this remover which is designed to work around Antivirus 8's defensive mechanisms.