Ambulance (computer virus)

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Ambulance is a file infecting virus and it does not become memory resident. It will only infect one .COM file in any given directory, but will not infect the first one. This means there must be at least two .COM files in the directory for it to spread.

Sometimes when an infected file is executed, an ascii ambulance can be seen moving across the bottom part of the screen. A siren sound is also played from the systems speaker.

Ambulance is not a destructive virus; it simply spreads itself around and shows off its payload once in a while.