The effectiveness of anti-virus software depends on how up-to-date the program is, in particular the virus definition file and the search engine. To carry out updates, the component AntiVir Updater in integrated into AntiVir Premium . AntiVir Updater ensures that Avira AntiVir Premium is always up-to-date and able to deal with the new viruses that appear every day. AntiVir Updater updates the following components:

The virus definition file contains the virus patterns of the harmful programs used by AntiVir Premium to scan for viruses and malware and repair infected objects.

The search engine contains the methods used by AntiVir Premium to scan for viruses and malware.

Update packages for product updates make extra functions available to the individual program components.

An update checks whether the virus definition file and search engine are up-to-date and if necessary implements an update. Depending on the settings in the configuration, AntiVir Updater also carries out a product update or informs you of the product updates available. After an update AntiVir Premium does not have to be restarted.

For security reasons, the Avira AntiVir Premium Updater checks whether the Windows host file of your computer was altered to the effect that, for example, the Avira AntiVir Premium update URL was manipulated by malware and diverts the Avira AntiVir Premium Updater to unwanted download sites. If the Windows host file has been manipulated, this is shown in the Avira AntiVir Premium Updater report file.

In the Control Center under Scheduler, you can organize update jobs which are carried out by AntiVir Updater at the intervals stipulated. An update job is created by default after installation of AntiVir Premium. You also have the option to start an update manually:

Updates can be obtained from the internet via a Web server of the manufacturer. The existing network connection is the default connection to the download servers of Avira GmbH. You can change this default setting in Avira AntiVir Premium Configuration under General:: Update.