VST 3.x Plug-In Scanner is a software product for Windows developed by Steinberg Media Technologies
It is reported that the following Windows processes are part of VST 3.x Plug-In Scanner:
If you want to remove VST 3.x Plug-In Scanner from your computer, just go to Start > Control Panel > Add/Remove programs and select VST 3.x Plug-In Scanner from the list of programs.