Hi @ricardoantunes; welcome to our Community and sorry for the late reply.
To directly get to the chase, I'd suggest starting from our dedicated guide for ransomware case found in the link below:
https
/help.dropbox.com/accounts-billing/security/ransomware-recovery
Let me know if you have any follow up questions, Ricardo.
Walter
Community Moderator @ Dropbox
dropbox.com/support
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