Use the Update Malware Signature quick task on selected devices that have Antimalware enforced to ensure those devices have the latest malware signature content. Malware signature content is used to detect and disinfect files that are infected with malware.
To run the Update Malware Signature quick task:
Select the device(s) in Devices > Workstations (and sub-folder if applicable) and select Update Malware Signature in the Quick Tasks pull-down menu.
Click Start in the Quick Task Status window to start the signature update.
You can also run this quick task from the Device Status panel in the Antimalware page on a selected Device.