Many ways of malware persistence
jumpespjump.blogspot.com
jumpespjump.blogspot.com
One computer is a Windows7 PC with UAC disabled (unfortunately), so I had to do some deep dives into the registry to clean it. The other was a Mac with Yosemite, and that was so messed up we had to take it to the Apple Store for a wipe and reinstall.
I've tried to coach my kids on downloading and installing things, but when friends come over to play Minecraft it's like they forget everything.
http://www.reddit.com/r/Minecraft/comments/30orgd/is_there_a...
Could a nefarious mod that didn't include a launcher still read the user/pass out of RAM?
Children play Minecraft... children stop playing... rollback!