WebMoney is a payment method commonly used in Russia and other Russian speaking countries including Ukraine, Belarus and Kazakhstan. It is an online wallet similar to others such as the Russian Yandexmoney and QIWI or worldwide popular Paypal and Skrill.
Webmoney can be quite complicated to use and there are many verification procedures, therefore it may be faster and more user-friendly to use QIWI, Yandexmoney or Skrill.
Methods of deposit
You can also deposit by Paysafecard - prepaid cards that can be bought for cash in many places, most often at gas stations, newsagents and some grocery stores.