Regular scanning can protect your device from the following:
Tap Antivirus.
Tap the menu icon → Advanced settings.
Tap Scan level, select your desired scan level described below, and tap the arrow icon to navigate back to Antivirus settings.
Tap Scan Device.
When the scan is complete, the scan level, duration, and number of scanned, infected, deleted and quarantined objects will be displayed. Tap Close.