Let Malwarebytes do a clean up would be my recommendation.
That's what I did, then I ran it again and it reported no malware found.
Since that time I haven't seen the unwanted popup, but the night is young, so to speak. If I go a couple of days without it, I'll believe that it is gone.
PS: next time just copy/paste the log into the forum
Oh, sure, but where's the fun in that?

The log was in plain text using a non-proportional spaced font (Courier New?) and was
really ugly. I didn't want to subject you people to that!
BTW, be impressed with the startup screenshot. You can't actually make Windows display it like that...

tanstaafl.