I found this to be amusing. Apparently since .NET was opensourced, hackers have started using it to get user data and spreading malware. Why didn’t they use it before? Well they maybe cheap and didn’t want to buy a license. But if you are a bad-guy, why would you buy it?
http://www.theregister.co.uk/2015/07/17/andromeda_new_pos_malware/