Crabox Trojan is a specific trojan, which usually doesn't harm the infected machine, but uses it as an attack tool for damaging play.mp3.com Web site. This can be achieved by continuously sending requests to this site from different infected PCs. This site can inform you, that your system is infected with Crabox Trojan, by sending you a message.
CrackerBoxTrojan.Crabox
crackerbox.exe