When serial software download you open Cloud Antivirus, the main window lets you know whether you re safe or not with a big red or green icon. Cloud serial software Antivirus works as other antivirus solutions do, offering a Quick Scan and a Custom scan for specific folder, files, and drives, but its ancillary serial number search features are exceptionally light. You can opt out of contributing anonymous data to the cloud, but that also opts you out of automatic threat management.