Which algorithym does the Bitdefender File Shredder use to delete files?

F5Loar

See original question. There does not seem to be a choice of the several methods that many shredders allow.

Flexx

https://community.bitdefender.com/en/discussion/99708/which-algorithym-does-the-bitdefender-file-shredder-use-to-delete-files

Have a look at the image provided with the answer by the forum administrator, @Alexandru_BD

Regards