Yes, it is the virus.
Yes, it is the virus.
Antivirus and firewall management was done by McAfee, uac, and smart screen filter set to default. The latest version of Microsoft Edge or Firefox/Chrome doesn't support some sites with smart card readers. Malawarebytes detected clean results. I also tested Windows Defender offline just in case.
I didn't capture the pop-up, perhaps when it appears again next time.
You might encounter a dormant bomb that continues to display intrusive pop-ups on your desktop while a hacker operates in the background. This malicious software can be placed almost anywhere on your computer, making it difficult to locate without careful inspection. Review your browser settings—specifically Appearance, Search Engine, and Startup Page—to ensure there are no unusual configurations. If needed, reset your browser to its default state. Be aware that using an anti-virus is essential if you share your device or regularly access the internet, as even intelligent users can fall victim to viruses. For shared or always-connected systems, consider installing a robust antivirus with an active networking firewall and real-time inspection.
Have you considered removing your browser history from the internet settings instead of just the browser? Check Windows Internet Options, locate the first window, find the blue highlighted option, click it to delete everything. Then go to the Privacy section, click Content tab, and finally select Clear SSL State. After completing these steps, remove the browser, restart your computer, and reinstall it to see if the warning reappears.