https://www.bleepingcomputer.com/news/security/cryptxxx-ransomware-is-now-scrambling-the-filenames-of-encrypted-files/
A new variant of the CryptXXX ransomware has been released that is not only modifying the extension of encrypted files, but is now renaming the entire file....
ransomwarescramblingfilenamesencryptedfiles
https://docs.wpovernight.com/woocommerce-pdf-invoices-packing-slips/custom-pdf-filenames/
May 1, 2024 - With the Professional extension, you can change filenames simply via the plugin settings. With the free version you can use the wpo_wcpdf_filename filter.
custompdffilenameswpovernight