Hello,
EDIT: can tell me a right Admin from avast! if this homepage "avadas.de" is a FAKE
or not? And is this homepage "avadas.de" from avast! 
before starting silly accusations, you should get your pre-information done right...
If you would have checked the domain name registration, you would have noticed that it belongs to a authorized GOLD reseller of avast! and that AVADAS is a legitimate German company, registered by the same reseller. The forum is a German community, which is being sponsored by the reseller. AFAIK the biggest community for avast! following after the original forum here. Check
http://forum.avast.de. Next time do your research (if there have been a research at all) more properly.