Ransomware meets Linux – on the command line!
Here’s a Linux and Unix cryptographic toolkit especially for crooks.
The encryption is free, but if Sir/Madam would like to decrypt Sir/Madam’s server, then Sir/Madam will have to pay. 
Read more: Ransomware meets Linux – on the command line!
Story added 11. November 2015, content source with full text you can find at link above.