From time to time virus writers leave messages in their code. Sometimes these are shout-outs to other virus writers, sometimes it is their own nickname, and other times they send messages to us.
Here is one that speaks for itself:
Dear Symantec: For years I have longed for just one thing, to make malware with just the right sting, you detected my creation and got my domains killed, but I will not stop, I can rebuild. P.S. F@?k you a**^$les, especially Stephen Doherty who is the biggest f@??#t I know of.