Boot Sector Virus

A boot sector virus is one that infects the first sector, i.e. the boot sector, of a floppy disk or hard drive. Boot sector viruses modifies the MBR and infects the information system during the start-up process. It tends to create bad sector of the disk.
  • Examples:  
    • C-Brain, Stone, Disk Killer, Danish boot, Devel 941 etc.