Mushroom it seems this is spyware related and it seems to big a bigger threat to linux then first reported. This relatively new worm is a variant of the "Slapper" worm which targets Apache servers. See related link for more info:
http://www.pcw.co.uk/news/1135068
Potentially a huge concern for for us linux users....
Hummm... seems virtual fishing takes a new on a whole new meaning...