Malware makers are always coming up with new ways to exploit innocent computer users. One relatively new breed of malware, ransomware, encrypts files, making them effectively unusable, unless their owners pay ransom to the perpetrators. This short NPR story focuses on this very real threat.Malware makers are always coming up with new ways to exploit innocent computer users. One relatively new breed of malware, ransomware, encrypts files, making them effectively unusable, unless their owners pay ransom to the perpetrators. This short NPR story focuses on this very real threat.