APPARATUS AND METHOD FOR BLOCKING RANSOME WARE USING ACCESS CONTROL TO THE CONTENTS FILE

The present application relates to the apparatus for blocking Ransome ware using access control to the contents file, it includes an access permission program checking unit for checking whether a program of a process detected as being started in an user's computer is a reliable program, checking whether a parent process of the program is a reliable program, and determining whether the program is the program that is allowed to access the contents file; a whitelist registration unit for registering information of the contents file to be protected; and a contents file access control unit for allowing the process to access the contents file registered in the whitelist registration unit when the program of the process is the program that is allowed to access the contents file determined by the access permission program checking unit, and blocking the process from accessing the contents file registered in the whitelist registration unit when the program of the process is not the program that is allowed to access the contents file determined by the access permission program checking unit.