Yes, real-time scanning, and no, no other product.
In my experience two AV running on the same machine will slow it down to unbearable levels. I'll probably reconsider that and give a second product another try.
McAfee has been OK so far. I've been using it for years (corporate version) as that is what we use at work corporate-wide and I am familiar with it.
(and BTW guys, thanks for the time you're putting in to give me ideas. I really appreciate it and this is being useful. I am really mad at this, right now, as you can imagine, it's great to have somebody to share my frustration with....)
If I only could understand WHICH ransomware it was, I could get the peace of mind of insuring I have fully removed it. I'll be back home in 1hr and my night of log analysis will start.