Dtyzdr5 Drtzmp4 -

: These could be segments of an encrypted hash or encoded string (like Base64 or a custom cipher).

The terms and "drtzmp4" do not appear to be established technical topics, standard file formats, or recognized academic terms in current databases. They most likely fall into one of the following categories: dtyzdr5 drtzmp4

: Look at the folder or application where you found these terms. This often provides the best clue to their purpose. : These could be segments of an encrypted