Hello ,
We have cleaned our website Opus51.fr, and i have already sent a mail to virus@avast.com but i didn’t have received answers and our website is still blocked.
It’s a false alarm, please somebody could unblock our domain.
We have many people who using Avast antivirus who can’t see our website…
Hello!
You should try reporting a false positive here
http://www.avast.com/contact-form.php
Good luck!
~Airplanesimen
Hi,
cool, I am unblocking your website right now 
Please note that virus@avast.com is for submitting new (undetected) malware, for all your other queries there is support.avast.com :)!
I’ve already tried this …
Thank you HonzaZ, it’s very nice from you