An anonymous reader writes: Yesterday, April Fools was the D-Day for the Conficker worm, or sometimes referred to as the Downadup, but nothing spectacular came of the hyped worm. Kido, as the worm is sometimes called was first detected in November of 2008 and spreads via local network and removable storage. The latest versions of the worm, Conficker.C and Conficker.C+ can spread in a number of ways, including downloading additional code to run on an infected computer — which makes the worm serious as your computer could be turned into a botnet client. A botnet client can be used to conduct massive DDoS attacks on Internet resources. An infected computer could also be used to send mass spam mailings.