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Danger level 7
Type: Rogue Anti-Spyware
Common infection symptoms:
  • Installs itself without permissions
  • Connects to the internet without permission
  • System crashes
  • Annoying Pop-up's
  • Slow Computer

Windows Prime Booster

Windows Prime Booster is a serious computer infection which may block the running of many executable files so that you would not have a chance to install software, like automatic malware removal tools, or utilize existing Windows utilities to delete running malware manually. The clandestine threat belongs to the Rogue.VirusDoctor family and we categorize it as a rogue anti-spyware or fake AV. The infection is presented through a misleading interface which suggests that it works as a legitimate security tool. Unfortunately, this fake application cannot locate or delete real computer infections, simply because it is a threat itself. Continue reading to learn how to remove Windows Prime Booster from your personal computer.

The Rogue.VirusDoctor faction is widely spread across the web, and hundreds of its malicious rogues have been reported in the past. The most recent Windows Prime Booster predecessors are Windows Accelerator Pro, Windows Efficiency Console and Windows Activity Booster. Even though the names of these threats differ, their interfaces are identical. Unfortunately, this does not stop schemers from infiltrating thousands of operating Windows systems and tricking their users into purchasing the allegedly beneficial full-feature rogues’ versions. Without a doubt, fooling you into paying money for the allegedly useful malware removal tool is the main objective behind the scam. This is why different tricks are used to fool you.

Needless to say, the fictitious malware scanner reporting the threats you supposedly need to delete is the most essential attribute of the bogus security tool. Note that whilst the names of the indicated threats may seem familiar, it does not mean that you need to remove them from your personal computer. You also do not need to believe the fictitious security pop-ups which may start flooding your desktop in the hopes of tricking you into believing that dangerous malware awaits removal. Here are a few examples:

Trojan activity detected. System integrity at risk.
Full system scan is highly recommended.

Activate Windows Prime Booster to get ultimate protection against Identity Theft, Viruses, Malware and other threats!

These alerts are fictitious and if you choose to activate the full rogue’s version, you will lose your money and you will be left to delete potentially existing malware yourself. Even if you pay the requested payment and the fictitious scanner indicates that there are no more threats which you need to remove, you need to make sure that the fake anti-spyware is removed from the PC successfully. We strongly recommend following the removal instructions below in order to acquire authentic Windows security software and to have Windows Prime Booster deleted successfully. If you choose to delete the rogue from the system manually, make sure that all components are removed; otherwise, more threats could be infiltrated soon enough.

How to remove Windows Prime Booster?

  1. Firstly restart the computer and wait for BIOS (information on hardware) screen to load.
  2. Right away start tapping F8 to load a menu.
  3. Using arrow keys select Safe Mode with Command Prompt and tap Enter.
  4. Wait for the PC to boot up and the Command Prompt to appear on the desktop.
  5. Locate the C:\Windows\system32\ line, type cd.. and tap Enter.
  6. Locate the C:\Windows line, type \explorer.exe and the tap Enter.
  7. Navigate to the left of the Task Bar and open the Start menu.
  8. Type %appdata% into RUN/Search and tap Enter.
  9. Right-click guard-{4 random symbols}.exe in the Application Data folder and select Delete.
  10. Restart the PC normally.
  11. Open the Start menu again, type regedit into RUN/Search and tap Enter.
  12. Go to HKEY_CURRECT_USER\Software\Microsoft\Windows NT\Current Version\Winlogon .
  13. Right-click Shell, select Modify and change the Value to %WinDir%\Explorer.exe. Click OK.
  14. Now go to and download a malware remover.
  15. Install the automatic malware removal tool onto the PC and let it delete existing computer threats.
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