Only use verified security software. You can find the official Microsoft Security Support pages for guidance on deep cleaning your system.
A fake "antivirus" tool that is actually malware. virusalremoverexe.exe
Boot your PC in Safe Mode to prevent the virus from running automatically. Only use verified security software
If you see a file named virusalremoverexe.exe on your computer or available for download, do not open it. This is a known malicious file often used in phishing scams. virusalremoverexe.exe