Avira Antivirus
Avira Free Antivirus offers basic protection for your computer against dangerous viruses, worms, spy-ware, trojans and costly dialers. Premium version includes MailGuard (POP3 and SMTP) and WebGuard for safe surfing.
Real time protection with a lightweight package consisting two important components; Cloud Antivirus + Sandbox.
comodo free cloud antivirus uses a combination of virus monitoring and autosandbox to protect your pc against all types of malware.
constantly protects your pc against all forms of malwareeasy to install, configure and usecloud based scanner delivers uptothesecond defense against the latest virusesautomatically isolates unknown files in a securityhardened sandboxviruscope technology recognizes and blocks malicious behavior in unknown filesfree for life no license charges ever
Run file in a Sandbox Zero Day Protection
sandbox run-file-in-sandbox anti-malware cloud-antivirus zero-day-protection