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In recent years, the size of virus signature databases has been growing rapidly, leading to a corresponding reduction in the performance of anti-virus (AV) software. In general, virus signature databases comprise string-based and hash-based (e.g., MD5) signatures. Currently the majority of signatures are hash-based and Cloud-based AV systems rely on them as the local cache to reduce the network loading...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.