Windows Antivirus Master

What is Windows Antivirus Master?

Windows Antivirus Master is a rogue anti-virus program which you should be aware off if you like to browse various insecure websites. You may be tricked into downloading some useful computer application; however, instead of the preferred program you may get Windows Antivirus Master. The application in question is a clone of Windows Ultimate Booster, Windows Efficiency Kit, Windows Prime Accelerator and many other malicious programs. These and some other programs, as well as Windows Antivirus Master, are attributed to the Rogue.VirusDoctor family.

How does Windows Antivirus Master work?

Once the rogue program gets onto your PC, it displays its interface and reboots the computer. After the reboot, Windows Antivirus Master launches its fake scanner which supposedly detects a lot of malicious computer infections. According to the vicious program, you have to activate it in order to have a chance to remove all the threats detected by the scanner. The price of the license depends on the expiration date and varies from $49.95 to $99.9. Nevertheless, by spending your money on the counterfeit program you will not change anything because Windows Antivirus Master is the major infection which you should remove from the computer as soon as you can.

The rogue program disables access to Registry Editor and Task Manager. Moreover, as long as Windows Antivirus Master is on your computer, you cannot use various programs because the infection blocks various executable files, including Internet browsers.

It is important to ignore the different pop-up warnings displayed by the threat because their function is to convince you that you have to register the program. Here is how one of the misleading pop-up warnings looks like:

Trial Version
Please purchase the full version of the software to ensure the ultimate protection
Please click “Activate” button bellow to get full version of our software

Instead of following the recommendations of the rogue anti-virus program, take immediate action to remove it from the computer because this is the only way to fix the system.

How to remove Windows Antivirus Master?

Below you will find three activations keys. One of them should help you register the program. After activating the malicious program, implement a reliable spyware removal tool.

Activation keys:


We recommend that you implement SpyHunter because this spyware removal tool is capable of spyware and malware removal. It can easily eliminate Windows Antivirus Master and safeguard the system against multiple computer threats.

If none of the activation keys work, follow the instructions provided below. In case you encounter any difficulties when trying to remove Windows Antivirus Master from the PC, feel free to comment below.

How to remove Windows Antivirus Master

  1. Reboot the computer.
  2. Once the BIOS splash screen loads, start tapping the F8 key.
  3. Select Safe Mode with Command Prompt and press Enter.
  4. Next to the line C:\Windows\system32\ type in cd.. and press Enter.
  5. When another line appears, type in C:\Windows\explorer.exe and press Enter.
  6. Open the Start menu.
  7. On Windows XP, launch the Run command and type in %appdata%. If you use Windows Vista or Windows 7, type %appdata% into the Search box and press Enter.
  8. Delete the file guard-{4 random symbols}.exe.
  9. Restart the computer.
  10. Open the Start menu. On Windows XP, launch the Run command and type in regedit. Press Enter. If you use Windows Vista or Windows 7, typeregedit into the Search box and press Enter.
  11. Follow the path HKEY_CURRECT_USER\Software\Microsoft\Windows NT\Current Version\Winlogon.
  12. Right-click on Shell and select Modify.
  13. To change Value Data, type in %WinDir%\Explorer.exe and click OK.
  14. Close the window and go to and download SpyHunter.
  15. Install the application and scan the system.
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Windows Antivirus Master

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