If you had posted in the French section you would have come across :
The scam seems to have evolved again, don’t open anything and delete this mail
You would have looked for the 2 numbers indicated in your mail you would have seen:
https://www.signal-arnaques.com/scam/view/854760
https://www.signal-arnaques.com/scam/view/841839#comment-1629458
https://www.tellows.fr/num/%2B33972143119
nb:avast has no telephone customer service in France