If you disable Cortana, Search process is still running. If you kill it, it comes back.
Hm let me think which type of software has this behaviour...
Hm let me think which type of software has this behaviour...
I'd expect the same from an update checker, you didn't specify which one but I can imagine I can stop it from running in a way that doesn't include renaming an .exe in a specific AppData folder (as for Search.exe process).