What is Sysprotector 4 program and how to remove it?

After the installation of fake antivirus Sysprotector 4 it generates fake “Blue screen of death” and provides user with a specific technical support number

Most users may consider Sysprotector 4 program as a legit antivirus from Microsoft that is called Microsoft Security Essentials, but it only pretends as legit software. In truth, this program may become the reason of a serious infection.


remove Sysprotector 4
Sysprotector 4 – fake error screen

Microsoft company reports that this new malicious program poses itself as a legit security product but actually extorts money from users who have installed this program on their computers. Sysprotector 4 have differences from the legit MSE:

First of all, the installation file of Sysprotector 4 is called “setup.exe”, when MSE installer has different name “MSEInstall.exe“. Also, the publisher of setup.exe is Bluescuarez LLC and doesn”t have a valid certificate. Some browser may warn you about it, in this case, you can prevent the infection and don”t download it.

This version of the file works on Windows 8 and Windows 10, after the successful installation, it will generate a blue screen with a particular phone number for a technical supports. Once a user makes this call, he will be convinced to pay money for the technical support he won”t receive or for a specific repair tool, that won”t work. This kind of scam is quite known on the internet. According to the Microsoft, they don”t provide this kind of message of support in the Error screen, which is why you should always pay attention to programs you download from the internet. We strongly advise you to remove Sysprotector 4 program and protect your computer from possible infection in the future. Just follow the removal guide below to do that.

Sysprotector 4 automatic removal tool:

Sysprotector 4 removal steps:

  • Download GridinSoft Anti-Malware and scan your computer with it.
  • Click on “Apply” to remove all infections found after the scan is completed:
  • Apply actions by GridinSoft Anti-Malware

  • Shut down all your available browsers.
  • In GridinSoft Anti-Malware click on “Tools” and then on “Reset browser settings“:
  • Built-in utility of GridinSoft Anti-Malware to reset browser settings

  • Follow the instructions, select browsers you need to be reset, and click on “Reset” button. Finally, restart your computer to apply all made changes:
  • Options to reset browsers with GridinSoft Anti-Malware

Video explaining how to reset your browser using GridinSoft Anti-Malware:

How to prevent your PC from being reinfected with Sysprotector 4 in the future.

GridinSoft Anti-Malware offers excellent solution which may help to prevent your system from being contaminated with malware ahead of time. This feature is referred to as “Real-Time Protection”. By default, it is disabled once you install the software. To enable it, please click on “Protect” button and press “Start” as demonstrated below:

Enabling Real-Time Protection by GridinSoft Anti-Malware

This options helps you to prevent execution of malicious programs and to avoid their installation ahead of time. When certain malware tries to install itself into your system, GridinSoft Anti-Malware and its Real-Time Protection module will terminate this installation attempt ahead of time. You may click on “Confirm” button to continue blocking this malicious program, or to select “Ignore this file” and allow the malicious application to be installed (at your own risk):

Malicious item blocked by GridinSoft Anti-Malware

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