Well, if a person didn't know anything about how to write the code for a virus they could learn something from this article the gentleman writes. I personally don't know why the virus authors like doing it. I guess to them it's a challenge to beat the system, wreck havoc on multitudes of computers, and in their own twisted sense of thinking take pride in doing all of this.
Different strokes for different folks is what it is all about in life and the ones writing Malware have chosen their paths.