Hello, we hase some days ago a ransomware attack but we was happy to have a backup.
We restore all files now but we have the problem now that all Files are corrupted and we cant open it.
For Example a pdf.
The Computer and also the Server are installed new anitivirus up to date and all systems scanned.
LINK with screenshot :File corrupted
This problem we have with all files like word, excel, Powerpount, pdf ect. ect.