Enable a plug-in globally
You have to log in as a server administrator to be able to load and enable a plug-in globally.
Add the plug-in to be configured globally to the load list
The ClamAV class name is de.softpro.cirrus.plugins.document_scan.ScanClamAV.
Open the Administration Center, log in as a server administrator and click the System settings link.
Click the General section below the Plug-ins category and change the Plug-in load list setting by adding the class name to the comma delimited list:

After adding the name to the list, save the setting. Give the application 10-30 seconds to reload the plug-in list. You will have to refresh the Administration Center to show the new settings.
Enable and configure the plug-in globally
After you refresh the client, it displays two new settings:
- Plug-in enabled: ScanClamAV in the Enabled section
- plugin.cfg.ScanClamAV.url in the Configuration section
Slide the Plug-in enabled: ScanClamAV setting to the right to activate it:

Set the URL to point to the URL of the ClamAV server you are running by editing the URL setting in the Configuration section:

Save the settings.
The plug-ins are reloaded and an instance of the ClamAV document scanning plug-in should now be running, and available for all accounts on the system.