The U.S. government firewall virus is part of the Reveton family (Trojan/Win32.Reveton), which hijacks computers and demands a ransom to unblock the computer.54 This is also referred to as ransomware....

The U.S. government firewall virus is part of the Reveton family (Trojan/Win32.Reveton), which hijacks computers and demands a ransom to unblock the computer.54 This is also referred to as ransomware. Ransomware is “a type of malware that severely restricts access to the computer, device, or file, until a ransom is paid by the user.”55 The U.S. government firewall virus blocks the computer, encrypts files, and displays the following message that appears to be from the U.S. government.