I don't have an AntiVirus.
Get one.
It's impossible to don't have one they are setted even when you buy your PC.
That is incorrect. You are referring to free trial software many of them include. It is not always on there, and it is not impossible for him to remove it.
Here: (click on pic)

Click "Show processes from all users" and screenshot it again please.
Also, what do vpnmanagesvc.exe, daemonu.exe, KaraokeSer.exe, and GrooveMonitor.exe go to?