Cloc
Details
Clock
This is a dangerous virus which infects the Boot-sector on floppy disks during access to them and MBR of hard disk on a reboot from an infected floppy. Depending on its internal counter the infector reboots the computer, also changes the setup of the hard disk (not in the CMOS but in the memory of the hard disk controller when it is possible). “Clock” also hooks INT 8, 13h.
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