1.Paid with Yandex.Wallet/added card
The money will be refunded to original account within 3-20 business days.
2.Paid with Cash
A text message will be sent to your cellphone number that was used for getting payment code.
1） Open the link in the text message to visit Yandex.Money website’s special page.
2） Follow the instruction to enter the received code, together with your existing Yandex.Money account( or create a new account).
If you cannot finish the above processes, please contact Yandex.Money customer support for assistance.
Website: https://money.yandex.ru/feedback/
Email address: support@money.yandex.ru
Phone number: 8 800 555 80 99/ +7 (495) 974 3586 (RU)
Working time: 7*24 hours
More issue: https://money.yandex.ru/help.xml