Conficker Worm Tomorrow 1st April 2009 the latest variant of the Conficker Worm becomes active. The security companies are not sure of what it will do. The worm has been propagating for about six months so there will be many millions of affected computers around the world at risk. Whatever operating system you are using, you are at risk that you have alread been infected. You should ensure that you have all the updates that are available for your system and you security programs.