Kaspersky Internet Security uses anti-virus databases when searching for malware. The app's anti-virus databases contain descriptions of malware currently known to Kaspersky, information on how to neutralize it, and descriptions of other malicious objects.
To update the app's anti-virus databases, your device must be connected to the Internet.
To start an update of anti-virus databases on the device,
On the Kaspersky Internet Security quick launch panel, tap Update.
In the premium version of Kaspersky Internet Security, you can set a schedule for anti-virus database autoupdates.