avast! Free Antivirus for Mac (beta)

Why choose this product?
avast! Free Antivirus for Mac offers three shields and on-demand scanning. Our Web Shield and Mail Shield combine to check the vast majority of incoming data from the Internet, while File Shield scans all programs stored and executed from your hard drive. Everything is packed in a brand new GUI and is now available as a public beta.
Features

• On-screen alerts
• On-demand scanning
• Web Shield, Mail Shield, File Shield
• Automatic virus definition updates
• New GUI

Download Link:

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