What does the Conficker worm do to systems?
A system that is successfully infected by the Conficker.A or Conficker.B worm will attempt to infect other systems. Additionally, a system infected any version of the Conficker worm will attempt to contact websites using domain names generated by an algorithm within the Conficker malware. Versions of Conficker.B and later will also seek to disable several important programs on the system related to security and update management on the system.