OpenDNS Blog » Worried about Conficker on April 1? Setting up OpenDNS can protect your network.:
"By now you’ve likely heard the speculation that April 1, April Fools Day, is the date Conficker kicks into action. And unfortunately this isn’t a joke. The virus, also known as Downadup, leverages a known vulnerability in the Windows OS and has the potential to do some serious damage. Some estimates for number of machines infected so far are as high as 15 million. The Internet is abuzz with news about the virus and predictions about what it will do."