Officials look to unearth Internet worm writers They write menacing software with names like 'Blaster,' 'Welchia' and 'Sobig' that worm around the Internet leaving destruction in their path, and on Thursday detectives and computer security firms were hot on their trail. Computer virus writers have unleashed an unprecedented outbreak of computer worms this past week and while finding them will not be easy, experts generally believe they are ego-filled computing geeks out to impress others"