Spyware
If you would like to scan your system for spyware, here is a regiment of software to use.
Start with this one, superantispyware portable
https://www.superantispyware.com/portablescanner.html
Run combofix
https://www.bleepingcomputer.
Run malwarebytes
https://www.malwarebytes.org/
Run spybot search and destroy
https://www.safer-networking.org/en/mirrors/index.html
Run ccleaner
https://www.filehippo.com/download_ccleaner