In most cases, it seems, with English subs only. Мосфильм, русским глухим и слабослышащим: "Fuck you, deafies!"
(Seriously, WTF? The technology is there and it's not expensive to do; and YouTube supports multiple subtitle-files in various languages for a single video. It's a matter of hiring a few native-Russian typists to transcribe the dialogue and add the time-codes to the subtitle file.)