mx16360 Total Security (360安全卫士) from Qihoo 360 combines multiple antivirus scanning engines with system optimization tools in a free, all-in-one package. The 2026 version includes five antivirus engines — Bitdefender, Avira, and three proprietary engines — providing comprehensive protection.
Key Features
- Five antivirus engines (Bitdefender, Avira + 3 proprietary)
- Real-time antivirus protection
- System cleanup and optimization
- Wi-Fi security check
- Ransomware protection
- Privacy protection
- Patch Updater (third-party software patching)
- Free for all users
Verdict
360 Total Security is one of the most feature-rich free antivirus products available. The five-engine approach provides detection rates comparable to paid products, while the included optimization tools make it a complete PC maintenance suite.
