Antivirus Defence - How To Remove?

Type: Rogue Anti-Spyware(Winwebsec)

Antivirus Defence is a rogue antivirus program that imitates functions of a legitimate security tool and seeks to convince computer users into purchasing its full version. The program belongs to the WinWebSec family of rogues like System Care Antivirus or Antiviral Factory 2013 which actively infect computers lately. Antvirus Defence is usually installed to computers by a Trojan, when you visit some compromised websites or open infected email messages.

The program modifies your system settings and enables itself to start automatically every time you boot your computer. Basically you will see Antivirus Defence scanning your computer although you did not run any scanner by yourself. It will not allow you to close it and after couple of minutes, the program will display scan results saying that it detected a bunch of malicious entries. To remove them, you will be offered to purchase a full version of Antivirus Defence.

Just like other members of WinWebSec family, the program will also display fake security notifications and pop up ads warning about viruses and malware detected. These messages also propose activating Antivirus Defence by purchasing its full version. It is just one more try to swindle your money away.

Security experts strongly recommend removing Antivirus Defence rogue program. Use a reliable antispyware program, for example, Spyhunter  ( ). If you cannot run your antispyware program, follow the instructions below.

Special Removal Instruction of Antivirus Defence

  1. Press start (or round button to the left)
  2. Start->Run enter to download Spyhunter installer. This program works as  a fully automated process killer quite well.
  3. Scan with it.  The program will remove Antivirus Defence files automatically. At this point, you can use other programs ( Hitman Pro, Malwarebytes Anti-Malware) as well.
  4. If this fails, reboot, press F8. Choose safe mode. Right-click on Antivirus Defence executable and look under properties. Open its folder location and delete its files. Reboot and scan with Reimage, SpyHunter

Automatic Antivirus Defence removal tools

Note: Reimage trial provides detection of parasites and assists in their removal for free. You can remove detected files, processes and registry entries yourself or purchase a full version.  We might be affiliated with some of these programs. Full information is available in disclosure

Manual removal


Important Note: Although it is possible to manually remove Antivirus Defence, such activity can permanently damage your system if any mistakes are made in the process, as advanced spyware parasites are able to automatically repair themselves if not completely removed. Thus, manual spyware removal is recommended for experienced users only, such as IT specialists or highly qualified system administrators. For other users, we recommend using Reimage or other tools found on


About the author

 - Main Editor

I have started in 2007 after wanting to be more or less independent from single security program maker. Since then, we kept working on this site to make internet better and safer place to use.

September 3, 2013 05:02, February 28, 2014 06:55

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