IObit Malware Fighter 5 is a powerful and comprehensive anti-malware and anti-virus program that protects your PC against malware and viruses in real-time. With the newest Bitdefender antivirus engine, anti-ransomware engine and the much improved IObit anti-malware engine, IObit Malware Fighter 5 supports removing the latest spyware, ransomware, adware, Trojans, keyloggers, bots, worms, hijackers, and viruses.