Stormous Ransomware gang is well know for website defacement and data theft. They recently targeted Coca Cola and stole 161 GB of data from there servers. They are currently asking a ransom of 1.65 Bitcoin for not publicly releasing stolen files. Stormous group ransomware written is PHP and it can dropping malware, encrypt files and sending a ransom notes.
Stormous Ransomware Signatures
Stormous Ransomware Download