Not fun. Especially, when they mess around with your system and installation files. Did you try any removal options so far? If so what did you try?
Since I am not too certain about a particular approach to the situation, I can give you general means that usually help you deal with the situation. Since there probably are multiple processes messing with Windows at perhaps a system level I think the following should deal with it:
GENERAL MALWARE
Since you tried plenty of conventional methods, I would recommend a full, thorough solution to the problem. Below you will find the list of a potentially strong solution.
1. Restart your PC in “Safe mode with networking”
2. Install and run RKill to kill malicious processes and services
3. Check your Programs and features and see if there are any new recently installed programs that you don’t recognize. If there are, remove them.
4. Check your task manager for any suspicious processes, if found, identify folders and try to remove them manually. Or just "Win key + R" and type %appdata%. Afterward, delete potentially malicious folders.
5. Do a full scan with anti-virus software of your choice or use Windows Defender to clean up initial infections.
6. Scan your PC with Hitman Pro, Malwarebytes, and AdwCleaner. Multiple anti-malware solutions will confirm that the threat was removed.
7. Clean up your Registry and Cached files with CCleaner (Can be dangerous based on your system, I would either ignore this or proceed with caution)
8. Restart your PC in normal mode and do an additional scan to confirm that the malware is gone.
See if you have an ability to install and work freely, let me know how it goes, I'll try helping further to solve the issue.