basic stuff
- remove temporary files (%temp%, %tmp%, recycling bin)
- run multiple levels of a windows defender scan (quick, full, and offline)
- run malwarebytes (uninstall it afterwards, it has a lot of annoying popups)
- run adwcleaner https://www.malwarebytes.com/adwcleaner (uninstall afterwards)
- disable anything unneeded programs from startup in task manager
