The FBI, along with Dutch and Finnish police, has shut down AVCheck.net, a website offering analysis services for cybercriminals.AVCheck was a Counter Antivirus (CAV) service that allowed cybercriminals to test malware against multiple antivirus engines without detection.The takedown operation also dismantled two crypting services, Cryptor.biz and Crypt.guru, used by criminals to hide malware and evade detection.The operation, known as Operation Endgame, aimed to disrupt cybercriminal activities early on and prevent victimization.