ANTI-MALWARE DEVICE, ANTI-MALWARE SYSTEM, ANTI-MALWARE METHOD, AND RECORDING MEDIUM IN WHICH ANTI-MALWARE PROGRAM IS STORED

摘要

The invention of the present application detects malware with high accuracy. An anti-malware device 50 is provided with: a risk information storage unit 51 in which risk information 510 is stored, in which there are associated a value indicating an attribute of an information processing device 60 for executing software 600, a value indicating an attribute of the software 600, and a value that is dependent on the attributes of the information processing device 60 and software 600 and that indicates the degree of risk when the software 600 is executed by the information processing device 60; a subject attribute collection unit 53 for collecting the value indicating the attribute of the information processing device 60 from the outside; an object attribute collection unit 54 for collecting the value indicating the attribute of the software 600 from the outside; and a determination unit 55 for determining that the software 600 is malware when the value indicating the degree of risk obtained by comparing the risk information 510 and the values collected by the subject attribute collection unit 53 and object attribute collection unit 54 satisfies a criterion.