These crop up every-now-and-then and unfortunately it’s generally ‘legal’ (although considered ‘unethical’) under the terms of the license (without looking into the specifics of what they’re doing). Read this for more details - http://www.blender.org/blenderorg/blender-foundation/press/re-branding-blender/
[EDIT] it actually looks like it could be the very same guy behind the ‘version’ referenced in that official posting linked to above as there are some files being pulled up from the server that list the same name.

