saw the piece on 60 minutes on Sunday. tomorrow is the day, apparently. The Conficker Worm: April Foolâ€™s Joke or Unthinkable Disaster? The Conficker Worm: April Foolâ€™s Joke or Unthinkable Disaster? - Bits Blog - NYTimes.com The Conficker worm is scheduled to activate on April 1, and the unanswered question is: Will it prove to be the worldâ€™s biggest April Foolâ€™s joke or is it the information age equivalent of Herman Kahnâ€™s legendary 1962 treatise about nuclear war, â€śThinking About the Unthinkableâ€ť? Conficker is a program that is spread by exploiting several weaknesses in Microsoftâ€™s Windows operating system. Various versions of the software have spread widely around the globe since October, mostly outside the United States because there are more computers overseas running unpatched, pirated Windows. (The program does not infect Macintosh or Linux-based computers.) An estimated 12 million or more machines have been infected. However, many have also been disinfected, so a precise census is difficult to obtain.