Summary:
Fake virus browser pop-up ads are common online scams aimed at deceiving users into believing their device has been infected with a virus or malware. These pop-ups typically appear while browsing the internet and often claim that the user's computer or mobile device is at risk, urging them to take immediate action.
These alerts may look like legitimate system alerts with alarmist and urgent language intended to provoke the user's fear and anxiety. The alerts may include phrases like “Your computer is infected!” or “Virus detected! Click here to remove!” The alerts may also include loud sounds and alarms that will startle and confuse the user.
Please see an example browser pop-up below.
To learn more about browser pop-ups and other threats, please click the link below:
https://www.webroot.com/blog/2015/04/27/fake-security-scams-2015-edition/

This article applies to:
| Products |
Platforms |
| Browsers |
Windows and Apple |
Solution:
Here are some general steps you can take to remove fake virus browser pop-up ads from your device:
- Close the Pop-up: The first step is to close the fake virus pop-up window. You can usually do this by clicking the "X" button in the corner of the pop-up window or by pressing the "Close" button on your browser's toolbar.
If the pop-up won't close using these methods, you may need to force quit your web browser:
- To force quit your browser, hold down CTRL+Shift+ESC to open Task Manager.
- Find your browser in the list and right-click on it, choose “End Task.”
- Restart your Computer: Simply restarting your system can force the window to close. Right-click on the Start menu and click on “Shut down or sign out” and choose “Restart.” When your computer restarts, open your preferred browser and decline to restore your previous session(s).
Here's how to reset your browser settings in some popular web browsers:
- Google Chrome: Go to Settings > Advanced > Reset and clean up > Restore settings to their original defaults.
- Mozilla Firefox: Go to Help > Troubleshooting Information > Refresh Firefox.
- Safari: Go to Safari > Clear History and Website Data > Clear History and Data.
- Reset Browser Settings: Resetting your browser settings to their default configuration can help remove any unwanted extensions or changes that may be causing the fake virus pop-ups. Keep in mind that resetting your browser will also remove any customization you've made, such as saved passwords or bookmarks.
- Avoid Suspicious Websites: Be cautious when visiting unfamiliar or suspicious websites, as they may be sources of fake virus pop-ups and other malware. Stick to reputable websites and avoid clicking on suspicious links or ads.
- Use Ad-blocking Extensions: Consider installing ad-blocking extensions or plugins for your web browser to help prevent fake virus pop-ups and other unwanted advertisements from appearing.
- Check for Malicious Browser Extensions: Review the list of installed browser extensions or add-ons and remove any that you don't recognize or trust. Malicious browser extensions can sometimes be the source of fake virus pop-ups.
Blocking pop-ups in Google Chrome.
- Open Chrome on your computer.
- Click on the "More" icon at the top right corner, then select "Settings."
- Choose "Privacy and security," then click on "Site Settings."
- Select "Pop-ups and redirects ."
- Locate the site under "Allowed to send pop-ups and use redirects."
- Click on the "More" icon next to the site, then choose "Block."
Blocking pop-ups in Mozilla Firefox.
- Click on "Tools" in the Menu Bar. If the Menu Bar isn't visible, press ALT + T on your keyboard to reveal the dropdown menu.
- Opt for "Settings." Note: If you're unable to locate the Tools menu, click the Open Application Menu button found on the far right of the Search Bar. Then, hover over "Settings" and select it.
- Proceed to "Privacy & Security" on the left-hand side.
- Choose "Block pop-up windows" under the Permissions section.
- To enable pop-ups for all sites, deselect the box next to "Block pop-up windows."
- To manage pop-ups for a particular site, click the "Exceptions" box and input the site address.
- Click "OK."
- Close and reopen the browser to apply the changes.
Blocking pop-ups in Microsoft Edge.
- In Microsoft Edge, navigate to the "Settings and more" menu located at the top of your browser.
- Click on "Settings" > "Cookies and site permissions."
- Within the "All permissions" section, locate and choose "Pop-ups and redirects."
- Activate the "Block (recommended)" toggle switch.