There are many kinds of viruses. Viruses come in a wide variety. The level of destructiveness of viruses varies widely. Virus behaviour can range from annoying to destructive. Viruses can be divided into two types: transient or resident.
Transient Virus: A Transient virus has a life that depends on the life of its hosts; the virus runs when its attached program executes and terminates when its attached program ends.
Resident Virus: A Resident viruses do not search for hosts when they are started. Instead, a resident virus loads itself into memory on execution and transfers control to the host program.
The virus stays active in the background and infects new hosts when those files are accessed by other programs or the operating system itself.
Transient Virus: A Transient virus has a life that depends on the life of its hosts; the virus runs when its attached program executes and terminates when its attached program ends.
Resident Virus: A Resident viruses do not search for hosts when they are started. Instead, a resident virus loads itself into memory on execution and transfers control to the host program.
The virus stays active in the background and infects new hosts when those files are accessed by other programs or the operating system itself.
1 comments:
this is the paper related about computer viruses http://storage.jak-stik.ac.id/papers/Computers_Technology/Are_computer_viruses__spread_by_the_media_.pdf
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