: It is a patronymic derived from Tarakan (meaning "cockroach" in Russian). "Tarakanovitch" would translate to "son of Tarakan".
If you saw this filename in a specific community (like a Discord server, a particular forum, or an ARG), providing would help in tracking down a niche or private story. Tarakanovitch_Pack_26.zip
There is specifically titled or associated with a file named Tarakanovitch_Pack_26.zip . : It is a patronymic derived from Tarakan