Thanks,
some of us have come near to this conclusion.
There are those who have deleted these files using another hard drive and those who used a tool on boot cd rom.
However I hope avast will not be long to give users an official fix
I would like to know the number of pc out to date because they can’t do what we have done.
it looks like a virus attack, the funniest in this story is that it comes from the antivirus itself ;D