Combined (multipartity) viruses

Combined viruses are simply those viruses that attack some of the file combinations, disk system areas and memory at the same time. Their removal is the combination of the removal of simple types of viruses in an exactly defined order. The following applies to this order:

• it is not possible to remove a virus from the disk if it is present in the memory,
• when removing viruses from the disk it is necessary to remove first the viruses from the disk system areas,
• viruses in particular files are the last to be removed,