Hi. One of my friends found on a usb stick a wallet.dat backup and i go today to see if has some bitcoin on it and i tried electrum but not working and after bitcoin core, but after i put wallet.dat on bitcoin core at first open get this error



And after a .bak file was created, and now when open bitcoin core appears this


Is there any chance to see bitcoin addresses of wallet or does it need to full sync?

On receiving address tab all is empty.