I was not using Malwarebytes. I added some hpHosts files to Hosts File Editor +, and I ran into these surprising false positives, both appearing twice in my HOSTS file.:
I am very familiar with the former site. I use it all the time. It is very reputable, one of the top shareware giveaway websites. It turned up in the MMT list.
The latter website is according to a search often cited on this forum. I believe it turned up in the MMT and EXP lists.
Incidentally, when I tried to add emd.txt to Hosts File Editor +, it went into unresponsiv