For example, the Cyrillic letter is represented by specific bytes that, when misinterpreted by a Western encoder, show up as "И" .

The phrase translates roughly to or "PUBG computer game product." It is likely a slightly awkward machine translation or a technical description for a listing. A more natural way to phrase this in Russian would be:

encoding - What does this decode to, and is it UTF? Игорќ

This phenomenon is often called It happens when: