A virus can hide in a boot sector, in a executable program, in a macro, in a script that hides when you click on a link on the web page, in a HTML e-mail message or when you open a e-mail attachment. COMTIA A+ pg.1041
It could disguise itself as a game, text file, mp3 file, or whatever you have recently downloaded. If you are having trouble finding viruses etc. because they have gotten through your anti-virus, use RegCure. Very legit. DEFINITELY worth the $. I had over 167 viruses from mp3 tracks and games i downloaded, found them and cleared them up.
A virus is a piece of code that attaches itself to a program or file so it can spread from computer to computer. A worm, like a virus, is designed to copy itself from one computer to another, but it does so automatically.
A piece of code that attaches itself to a file to spread itself from computer to computer.
A computer virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user.
Some of them can. It depends on the virus and the replication method.
Virus and worms.
A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner.
definition of a computer virus definition of a computer virus
A computer program that is designed to replicate itself by copying itself into the other programs stored in a computer.
A virus that runs in the backround and installs itself without a warning.
email (these are very, very common)internet (some people disguise viruses a a page saying your computer has a virus and a disinfect now button)inside helpful looking software (Conficker)
a computer virus