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Bitmap Image  |  1997-04-15  |  42KB  |  224x184  |  4-bit (14 colors)
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OCR: The anti-virus program also scans memory and files for patterns of code from known viruses called virus signatures The program's virus signature files must be updated frequently recoanize newly discovered viruses One of the most difficult viruses to detect called polymorphic virus modifies code patterns each time attaches itself to program file recognize proaram