This computer is locked up. Can't reformat the hard drive, nor re-install windows. Will replacing the hard drive get rid of

[wolf.stevens0]

Locky ransomeware that has also locked the cdrom/dvd.

 

[Paul NZ]

Try this https/support.kaspersky.com/viruses/disinfection/8005#block3

Get a rescue cd. Do you have a spare computer there?

 

[arvram8]

Definitely. Since only the HD is locked, you should be able to swap it out and install windows through USB.