The device is protected against viruses and other malware by the Anti-Virus (Scanner) component.
The component is called Scanner in the free version of the app and Anti-Virus in the premium version.
Scanner only lets you scan the entire device, the installed apps, or a specific folder for threats, as well as update the anti-virus databases for up-to-date protection of your data.
Anti-Virus combines the full functionality of Scanner with the following additional features: