No they are not. Otherwise their apps wouldn't be on Google Play and App Store:
https://play.google.com/store/apps/details?id=com.vkontakte....
https://apps.apple.com/us/app/vk-social-network-messenger/id...
https://play.google.com/store/apps/details?id=com.vkontakte....
https://apps.apple.com/us/app/vk-social-network-messenger/id...
https://sanctionssearch.ofac.treas.gov/Details.aspx?id=34596