Boot virus
Try Safe mode . If that does not work then you would need to reinstall windows.Or try the ultimate boot disk
multipartite virus
boot sector virus
first boot into safe mode then download malware bytes antimalware then scan and remove the viruses and then boot into normal mode
A multipartite virus is a combination of a boot sector virus and a file virus. It can hide in either type of program.
A boot sector virus is a computer virus that puts itself in the boot sector of a computer. The boot sector is the partition on the disk drive that contains all of the programs and files necessary for the computer to start up. This ensures that the virus will be executed once the computer is turned on.
(1) file virus (2) boot sector virus
boot sector : virus runs on start up of the computer. program: virus runs when you run a specific program.
A boot sector virus is a computer virus infecting the boot sector on hard and floppy disks. When the computer becomes infected and successfully boots, the virus can then infect media that is written to by the infected computer, replicating itself and spreading through the sharing of disks and software applications.
you can go to wal-mart best buy or someother electronic store and buy norton anti virus put it in your CD ROM then boot from disc to check and clear viruses
Fixing a boot up structure that is corrupted due to a virus can be difficult to deal with depending on the extent of the damage done. Reformatting the hard will can fix the boot up structure. If the virus destroys the Master Boot Record then the hard drive is useless paper weight.