The program also checks the integrity of your backup files, so you don't suffer losses in case a virus spreads. Each one of them will protect your system, your Internet browsing, and your emails. This resident protection system is divided in three blocks: System Files Shield, Web Shield, and Mail Shield.
Each time you execute a file or an application, Avast Free Antivirus will check for possible threats. It has a resident scanning tool that once activated stays minimized as an icon in the toolbar. It has two types of interfaces: a simple one for nonprofessional users, and an advanced one for more knowledgeable users. Besides that, it is easily integrated into your system, offering real-time protection services.
It can detect a great number of known viruses and is capable of tracking modifications done by many types of malware.
Avast Free Antivirus is an antivirus tool developed for the Windows operating system.