A new strain of ransomware, OphionLocker, generates a unique hardware identifier for each new infected machine so that it can avoid hitting the same victim twice. Ransomware uses infected websites to install itself on unpatched computers, then encrypts the victim’s data with strong opensource Cropto ++ elliptical curve cryptography. The cost to recover the files is typically around 1 Bitcoin, or about US $333, according to KnowBe4 research from a Florida-based security awareness training firm.”]
Source: https://www.csoonline.com/article/2860417/new-ransomware-avoids-hitting-the-same-victim-twice.html