“No one really know for sure. But a partnership between security services provider MessageLabs and artist Alex Dragulescu has provided one answer…”
Awhile ago I read a PC Magazine article called What Does a Computer Virus Look Like?
and just today found the article again. But anyway, as you can see in the quote after a partnership between MessageLabs and artist Alex Dragulescu they have come up with what they think a computer virus looks like.