Pre-approval of computer files during a malware detection

Details Pre-approval of computer files during a malware detection Pre-approval of computer files during a malware detection

2007-08-14

2007-08-14

Revak, Christopher (Department: 2131)

Information security

Monitoring or scanning of software or data including attack...

Intrusion detection

C713S187000, C713S188000

Reexamination Certificate

active

10622709

ABSTRACT:
A malware detection system seeking to identify computer viruses, worms, Trojans, banned files and the like acts to determine from the file name, file size and storage location of a computer file being tested, whether that computer file potentially matches a specific known malware free computer file stored within a list of such specific known malware free computer files. If a match occurs indicating that the candidate computer file is potentially the specific known malware free computer file, then this is confirmed by calculating a checksum of the candidate computer file and comparing this against a stored corresponding checksum of the specific known malware free computer file. If these checksums match, then the candidate computer file can be passed as clean without requiring further time consuming malware detection scanning.

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F. Cohen, “A Cryptographic Checksum for Integrity Protection”, no date provided.

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