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Method and system for antimalware scanning with variable scan settings

  • US 7,725,941 B1
  • Filed: 05/15/2008
  • Issued: 05/25/2010
  • Est. Priority Date: 12/18/2007
  • Status: Active Grant
First Claim
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1. A method for scanning an executable file for malware presence, the method comprising:

  • (a) detecting, by a computer, an attempt to execute a file on the computer;

    (b) for a known file, performing a signature malware check;

    (c) for an unknown file, performing a risk analysis based on a plurality of risk factors;

    (d) based on the risk analysis, identifying which malware detection algorithms need to be used for the file, in addition to signature detection; and

    (e) if no malware is detected using the malware detection algorithms, permitting execution of the file.

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