Plain Dealer | Reveton Malware Freezes PCs, Demands Payment InformationWeek But unlocking a Reveton-infected PC can be difficult, owing to the malware often being deployed in conjunction with other malware that's designed to block users from accessing security websites. The FBI last week issued a warning that the number of ... Malware that holds your computer hostage: Plain Dealing Citadel Malware Continues to Deliver Reveton Ransomware in Attempts to ... FBI warns of Internet malware that locks computers, demands money |