Ransomware-as-a-service is a real thing you can buy, some variants have live chat support to receive payment. One of the last major flaws in ransomware, the inability to enumerate non-mapped network shares, was overcome in the latest Locky build that calls WNetOpenEnum() to attempt to traverse every share on the network. Its a path to riches hampered only by the still-high knowledge barrier to acquire and send bitcoin. Having good, working, cold-store backups makes this whole thing a minor irritation rather than a catastrophe.”]
Source: https://bluesoul.me/2016/03/18/ransomware-is-the-future/