Spam is all over the network. If the spam files have a particular word in the title (eg efreeclub), add that word to LW's keyword filter. Tools > options > filters > keywords. Then, those files won't show in search results any more
You've been given these links before, in your older threads, but here they are again...
Fake files showing up in search results How to find music (info abut using the keyword filter in this link)
How to use Bitzi Web Lookup ... (to check files before you download them)
The TechNutopia Fullsize Hostiles List for BearShare and LimeWire (may help to cut down on the amount of spam that you see)
Typical virus spam file sizes - Make a note of them (click on blue link to see) (files to avoid)