Several people below mention the ransomware aspect of this is a scam and no data is ever returned. This is ironically a good thing as it poisons the well for '

Several people below mention the ransomware aspect of this is a scam and no data is ever returned. This is ironically a good thing as it poisons the well for 'legitimate' ransomware. The less people expect paying up to restore their data, the less people will pay up and the less viable ransomware is as a business model.