| 摘要 |
A method and apparatus are provided for performing periodic virus scans on a computer system that mitigates utilization of system resources. All objects designated as non-recently used are placed in an archived format and rendered un-executable. The archived objects are omitted from periodic virus scans. At such time as a request for an archive object is received, or access to an archived object is otherwise required, the archived object is converted to a non-archived state. In addition, before the returned object is made available to a requester, the recently converted object is subject to a virus scan on-demand. Accordingly, the periodic virus scan omits all archived objects, which will only be subject to a virus scan upon receipt of request to the archived object.
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