How have I spent the day?? Not as I intended. As a Mac
no.1. There are a lot of apps that depend upon Adobe in one form or another, particularly Flash. It’s a highly trusted name, Adobe. So when you appear to receive its notification that it needs updating, you click accordingly. That was how I gained several infections.
no 3. If you can’t trust Mac for goodness sake, what is life coming to? My third infection came from Mac Updater, which I thought Mac had sent me when I updating my ios to Mojave. No. Mac Updater is a crawler. It doesn’t come from Mac.
no.4 I had already
In the end, I was able to download FREE Bitdefender Virus Scanner. (No, I am not affiliated). This was recommended by the Mac store itself. It has done the job. Not quick, but a relief. Btw: once you’ve got the baddies in Trash, it’s important to empty Trash, just to be sure they’re well and truly gone. Heartfelt thanks Bitfender and your developer, unnamed. For £20 you can get 3 devices protected for a year. I may do just that.
I hope I’m not wasting my time writing this to you, but just to show I care. I’ll probably have loads of people telling me all of this is hopelessly wrong.