Yeah. The TL;DR is "Two people wrote some ransomware for Mac and put it on _the dark web!_"

Well, who really cares about that? That's not an especially novel thing to do. It's basically a drop of spit in the ocean.

Someone wake me up when Mac malware goes viral because it's not entirely reliant on users making mistakes. Or if it uses some sort of vulnerability that I need to get patched.

The information is in the links provided:

https://www.alienvault.com/blogs/labs-research/macspy-os-x-r...

https://blog.fortinet.com/2017/06/09/macransom-offered-as-ra...

Agreed. The researcher's blog post is much more informative: https://blog.fortinet.com/2017/06/09/macransom-offered-as-ra....