Method of detecting virus infection of file
AssigneeSamsung Sds Co., Ltd.
InventorIn Seon Yoo
Life of this patent
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Abstract
Provided is a method of detecting virus infection of a file. The method includes the steps of a) copying an original file, and converting and simplifying data of the copied file; b) normalizing the simplified file data; c) acquiring distribution of similarity between data using the normalized file data; and d) analyzing the acquired distribution of similarity between data, and determining that the file is virus-infected when a preset dense distribution pattern exists. Thus, the method can effectively determine whether or not the file is infected with a virus without using a database (DB) of spam filtering or virus information.
Claims12
A method of detecting virus infection of a file, comprising the steps of:
- a) copying an original file, and converting and simplifying data of the copied file;
- b) normalizing the simplified file data;
- c) acquiring distribution of similarity between data using the normalized file data;
- and
- d) analyzing the acquired distribution of similarity between data, and determining that the file is virus-infected when a preset dense distribution pattern exists.
Dependencies are inferred from the claim text.