The Conficker C computer worm is expected to activate on April Fool 's Day . The worm lets a master computer take over infected zombie PCs . It 's unclear what the program 's author plans to do with all the power . The program could delete all of the files on a person 's computer , use zombie PCs -- those controlled by a master -- to overwhelm and shut down Web sites or monitor a person 's keyboard strokes to collect private information like passwords or bank account information , experts said . Comment:
The Conficker C computer worm is expected to activate on April Fool 's Day . The worm lets a master computer take over infected zombie PCs . It 's unclear what the program 's author plans to do with all the power . Comment: