I was infected by reading a food blog.1 No downloading (that I knew), no opening attachments. These things are getting insidious.
The nasty culprit was: NTOSKRNL-HOOK. ComboFix (not the others) was successful in getting rid of that, but it left UAC files that multiplied each time I restarted.
Now I'm clean, if lean. I had to reformat my hard drive (first learn how to change boot priority), reinstall the operating system (Windows), and load programs back - individually, from original installation discs. Still updating them with years of Automatic Updates. What an amazingly unjustified sense of security I had.
I'll leave you with a photo of what I've been looking at the last several days: