They want $500 in BitCoins to decrypt them. AND the price goes up to $1000 if you wait.
Wonderful. We don't have the money. So far no one has found a way to decrypt the files either. The program can be removed, but even a System Restore will not bring back files.
We don't have backups either, although some of the files are available elsewhere, from friends or my brother.
*Sigh*