There are heaps of infected files available for download...torrents and files on the gnutella network.

Many program files that you search for within LW will be infected or not work because they're missing a key or missing some files. Always check the file with Bitzi before download.
How to use Bitzi

If you're searching for a file on a torrent site, always check the comments on the file...that's where you'll find out if the file's good or bad. If there are no comments on the file, I'd leave it alone

Sometimes it's just easier to buy the game.