Virus protection in computer systems

Details Virus protection in computer systems Virus protection in computer systems

1996-07-26

1998-09-01

Beausoliel, Jr., Robert W.

G06F 1100

Patent

active

058022775

ABSTRACT:
A method and apparatus for preventing the virus infection of computer systems from a diskette carrying a boot sector virus. System ROM code in the computer system includes a routine that is executed before passing control to a bootable media. This routine is designed to execute when Power On Self Test has completed and the boot record from the bootable media, either hardfile or diskette, has been loaded into system memory. The boot record is scanned for the presence of known boot sector viruses, signatures of which are stored in FLASH ROM within the computer system.

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