I run https://formcrafts.com and http://formcraft-wp.com, and both are profitable, netting over 150k+ a year in total. They were my side projects when I was in accounting school, lol
I am responsible for uBlock Origin (the other uBlock is abandonware), and I haven't received anything from you. In any case, my answer would have been that I am not responsible of the content of 3rd-party filter lists, and in the current case you would need to contact malwaredomains.com, they are the ones listing you as malware.
I've got a small plugin that I've been struggling to get traction with (https://wordpress.org/plugins/wp-content-calendar-lite/). Would be very interested to know what you've done to get users.