Malevolent software that spreads itself automatically by infesting other files on your PC. Software which attaches to other software. A boot virus inserts its code into the boot record or master boot record of a disk, so that when the machine boots from that disk, the virus code is executed. A file virus inserts its code into an executable file, so that when that file is executed, the virus is executed as well. A macro virus attaches itself to documents like Word or Excel.
This virus' intent is to completely hinder the victim's PC by deleting all help files as well as thousands of critical system files.