360 Total Security is an unified solution for your PC security and performance. "Virus Scan" integrates award winning antivirus engines from 360 Cloud Scan Engine, 360 QVMII AI Engine, Avira, and Bitdefender to provide you the ultimate virus detection and threat protection. 360 Safeguard and 360 Total Security is a program developed by Qihoo 360, an internet security company based in China. 360 Safeguard`s focus is on stopping malware such as computer viruses and trojan horses, and providing security patches for Microsoft Windows. 360 Safeguard trojan horse scanner is cloud-based.