Pay us bitcoin or never see your files again: Inside the highly profitable underworld of ransomware

Hackers use ransomware to encrypt computer files, making them unreadable without a secret key, and then demand digital currency like bitcoin if victims want the files back — and many victims are falling for that promise. To better understand how ransomware works and how it has spread so effectively, …
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New Ransomware-as-a-Service Arrives, Encrypts Most Files Within Minutes (

FrozrLock, the ransomware discovered by the BleepingComputer team with early tips and guidance of security researcher David Montenegro and Avast security research Jakub Kroustek, is a new type of a ransomware-as-a-service tool which began to infect devices and servers since April 16.
Although its origin is yet to be disclosed, researchers state the ransomware first started to operate in Russia. In a private conversation with BleepingComputer, Kroustek…