the fact that the process did not come up via a google search is def not a good sign. Malwarebytes now! & do a system search for it via opening up This PC folder and searching for the process on the search bar.

Open task manager (press Ctrl + SHIFT + ESC at the same time) then hit the pocess tab. Click under network and this will sort all the processes that use your network to the top. right click the process and click properties and go from there.

I'm guessing EYUBRPE.EXE is a variant of *RPE.EXE - a remote process environment, basically something that can let another computer do stuff on your computer. Agreed with @BigJob that it's a bad sign when even google has never heard of it. Legit processes and executables and components are always well known and well documented online.

If you didn't put it there (and you don't have a network admin who might have put it there) then you don't need it and you don't want it, it's something bad. Maybe run netstat to see what EYUBRPE.EXE is connecting to, report the IP to your antivirus devs, maybe send them a copy of the file for analysis.

I don't like CCleaner, to be honest, it makes as much of a mess as it cleans up and it breaks as many things as it "fixes".
F-Secure, Trend, or Kaspersky for realtime protection. Malwarebytes, Spybot, and Ad-Aware for cleaning up specific problems. Ghostery and HOSTS.TXT for web happiness. A decent firewall along with the usual browser-integrated anti-phishing anti-popup plugs. And of course all your security-related updates and patches for everything.