@randahl it is, but everyone who wants to use it, uses it freely via VPN (same as much more popular and common Instagram).
VK is still the one of the two most popular old-fashioned social networks (like Facebook, but it was so much better before the government took control of it) — with second one being OK, mostly used by older people.
And Telegram is the hugest messenger app, a comprehensive communication tool, and a most modern social network — altogether.