The "2021 upd" part of your search query points to a specific timeframe. The search results reflect several relevant items from that period:
If you are looking for a specific .onion address for a service like the one you're seeking, it would likely be shared in private forums or via other indirect means.
: Malicious actors sometimes utilize benign-looking text files or image hosting platforms to embed hidden instructions or configuration files for malware via steganography.
If your goal is secure or private image hosting for legitimate research or professional use, consider: Encrypted Storage : Services like Proton Drive NordLocker for secure, private file sharing. Similarity Checkers
: Likely refers to a .txt file containing a list of active URLs (onion links) for these hosts.
If you are looking for secure, private image hosting, consider these practices: