ADVCash and then what? You can't spend roubles directly from ADVCash, amount is too large. And you can't withdraw it to russian-issued bank card for the same reason, you'll be immediately reported to authorities.
Otherwise it's not a problem at all. There are plenty of providers who can exchange USDT to bank wire for example. No need to seek them in some unusual places
Of course there is a rouble card. Now look at limits for this card )
We are talking about USD 50K
Advcash is good. They do provide cash and bank transfer in Rubles.
Another could be WebMoney. ( no USDT there - They do support BTC )
and same for Webmoney - cash, bank