Gateway Anti-Virus Profiles are available only in Policy Mode.
Gateway Anti-Virus is a network security appliance feature that blocks potential threats before reaching the network.
The detection works based on a Security Policy defined on POLICY | Rules and Policies > Security Policy page. For more information, refer to SonicOS 7.1 Rules and Policies Administration Guide for Policy Mode.
From the Gateway Anti-Virus page, you can:
Create category profiles on a signature by signature basis to configure the handling of those signatures from Gateway Anti-Virus Profiles.
Gateway Anti-Virus Profiles are signatures grouped together based on attributes such as types of attack.