But it’s important for readers to understand that if you have been hit by a ransomware attack, the ransomware component is almost certainly just the most visible of the threats that reside on your system. For one thing, Kafeine said, the latest Reveton versions will steal all passwords stored on the victim’s PC. What’s more, the FBI’s report indicates Reveton is being bundled with Citadel, which is an extremely powerful and advanced family of malware that can be quite difficult to remove.