This Bitcoin Ransomware Rakes in $150 Million in BTC  

https://news.bitcoin.com/ransomware-ryuk-rakes-in-150-million-in-bitcoin/

A new report by two cybersecurity firms has revealed that one ransomware family is particularly successful, raking in over $150 million in bitcoin. The ransom payments “sometimes amount to millions of dollars and typically run in the hundreds of thousands range.”