The world’s biggest ransomware attacks are getting harder to detect, and increasingly, you can’t tell which ones are ransomware.

A group of hackers called Defrayal Fitness has released a new malware program called RansomFit, designed to hide the origin of the infection and evade detection by the malware scanner.Defray’s Ransom Fit is not a variant of the WannaCry ransomware that infected computers around the world last year.Instead, the group is a variant with a