ByteDefender Removal Tool is a small and lightweight application that will help you to remove the fake antivirus - ByteDefender. ByteDefender (Byte Defender) is a fake antivirus which cheat money from infected computer users. ByteDefender trick users to purchase a useless product. After the trojan enter the system, ByteDefender runs a fake system scan which give fake results stating that the computer is infected with malware.