A device for an Internet-worm treatment and a system patch using a movable
storage unit is provided. The device includes: the movable storage unit
for storing an integral program and integrity verification information; a
program initializing unit for confirming an integrity of the
Internet-worm treatment and system patch program by using the integrity
verification information; a system control unit for cutting off a
performance of the Internet worm malfunctioning the computer system, in
case where the integrity is verified by the program initializing unit; a
server unit for storing recent patch information and Internet-worm
information; a treatment-information acquiring unit for acquiring the
recent patch information and Internet-worm information, which is not
applied to the infected computer system, from the server unit; and a
system restoring unit for receiving the recent patch information and
Internet-worm information from the treatment-information acquiring unit
and applying the received information to the program, to perform the
Internet-worm treatment and the system patch for the computer system.