A good antivirus program additional info will halt malware attacks, clean affected files and prevent the spread of viruses by monitoring suspicious behavior. It can also stop ransomware attacks by blocking access or encryption of your files. It should conduct quick and complete scans as well being a monitor app for any unusual behavior. It should also include additional features, like a password manager and VPN, to protect your data and protect you from hackers. It must be compatible with your operating system and will not impact performance. It should be regularly updated with virus definitions and databases, and be available on a range of devices. You should also seek independent testing from AV-Test and user reviews to find out how accurate the software is in detecting threats, as well as its overall usability.

AVG is a well-known antivirus service. Its latest suite of products offers strong malware protection, with useful features and a simple user interface. The paid version comes with more comprehensive security and includes tools such as a password manager and parental controls.

It scored high in our tests, but its detection rate is a bit lower than other programs we reviewed in our roundup. It can still be an excellent choice for PC gamers, since it has an automatic gaming mode which prioritizes speed while protecting against malicious programs. Pay Guard is another feature that is distinct. It blocks sites that are known to steal financial information and login credentials.