Afraid you’ve got the evil Conficker worm that’s already begun snaking its way around the world? Thanks to herculean efforts by researchers, the detection and fix is pretty easy.
https://gizmodo.com/giz-explains-how-a-brainy-worm-might-jack-the-worlds-p-5183751
Symantec’s got a pretty simple (and free) tool specifically for Conficker: Download this file on an uninfected computer, follow the steps, and you should be okay. (If you can’t get to Symantec or other security sites, that’s a good sign you’ve got Conficker.) Also, via PC Mag, here’s the Conficker Working Group’s page of repair of tools.[Symantec]
