This is the mnemonic Russian keyboard in Windows.
while this is the phonetic Russian layout in Ubuntu.
In Windows there are some Russian characters mapped in different keys and also:
From Wikipedia:
Windows 10 includes its own implementation of a mnemonic QWERTY-based input method for Russian, which does not fully rely on assigning a key to every Russian letter, but uses the sh, sc, ch, ya (ja), yu (ju), ye (je), yo (jo) combinations to input ш, щ, ч, я, ю, э and ё respectively.