This seems to be originating at the ISP level so it will only affect Russians. Should be fine for someone connecting from the outside.

If you say that you have no social media accounts they will probably assume you’re lying and deny you.

Yep, here’s a US government source.

https://www.state.gov/releases/office-of-the-spokesperson/2025/06/announcement-of-expanded-screening-and-vetting-for-visa-applicants/