May 1, Infosecurity (International) Trusteer finds new ransomware variant. Ransomware is malware that locks-up computers and demands payment for their release. A common ruse is to pretend the malware is actually a “seizure” by law enforcement agencies. Trusteer recently discovered a new variant. Using the Citadel malware platform ‹ a descendant of the Zeus trojan ‹ the new malware is called Reveton and claims to have come from the U.S. Department of Justice. It locks the computer and displays a warning screen claiming the IP address of the computer was detected accessing child pornography sites. A fine of $100 is payable. It advises how the payment should be made in order to unlock the computer.