The creator of Sci-Hub is Alexandra Elbakyan and she is from Kazakhstan. According to Wikipedia [0] she spend 1 year working for a Moscow company, but that's it. I wouldn't classify it as a Russian service.
There is a nice russian service for paywalled ebooks and articles called LibGen [1]
[0] https://en.wikipedia.org/wiki/Sci-Hub [1] https://en.wikipedia.org/wiki/Library_Genesis