An updated version of Virex, Virex 7.5.1, is available now for .Mac members.
The release follows Apple's brief release of Virex 7.5. This was made available and then later removed, due to unidentified "issues". The update us a 25.5MB download, and is available now.
The new version includes "active scanning" and "automatic eUpdate" functions, with options for scheduling scans and updating the virus definitions.
The previously-available mailbox scanning option has been removed.