the nework is ran by the users. LimeWire LLC does not control, monitor or endorse any messeges or content on the network. so there is no way for LW to remove those files.

however, just do a search for: 851.7 these are viruses spreading rapidly through the network. get a good antivirus program like avg (free.grisoft.com) or avast (www.avast.com) (they are both free and great.) stay away from these files, and keep your virus definitions up-to-date.