If your system is already attacked by malvertising, follow these steps immediately to remove malware and secure your device:
🚨 Step 1: Disconnect from the Internet
- Turn off Wi-Fi or unplug the Ethernet cable to stop malware from spreading or stealing data.
🛑 Step 2: Close Malicious Ads or Pop-Ups
- DO NOT click anywhere inside the pop-up or ad.
- Force close the browser:
- Windows: Press Ctrl + Shift + Esc, find your browser, right-click → End Task.
- Mac: Press Cmd + Option + Esc, select your browser, click Force Quit.
🧹 Step 3: Remove Suspicious Software
- Windows:
- Go to Control Panel → Programs & Features → Look for unknown apps → Uninstall.
- Mac:
- Open Finder → Applications → Drag unknown apps to Trash.
🛠 Step 4: Scan Your System for Malware
- Use Windows Defender (built-in on Windows 10/11):
- Go to Settings → Update & Security → Windows Security → Virus & Threat Protection → Quick Scan.
- Use Malwarebytes (Free):
- Download from Malwarebytes.com and run a full system scan.
🧽 Step 5: Clear Browser Data & Reset Browser
- Open your browser → Settings → Privacy & Security → Clear Browsing Data.
- Reset browser settings (to remove hidden malware scripts).
- Chrome:
chrome://settings/reset
→ Restore settings to their original defaults. - Firefox:
about:support
→ Refresh Firefox.
- Chrome:
🛑 Step 6: Remove Suspicious Extensions
- Chrome:
chrome://extensions/
→ Remove unknown extensions. - Firefox:
about:addons
→ Remove suspicious add-ons.
🔄 Step 7: Update Your System & Software
- Update Windows/Mac:
- Windows:
Settings → Update & Security → Windows Update → Check for Updates
- Mac:
System Preferences → Software Update
- Windows:
- Update Browsers & Security Software.
🔑 Step 8: Change Your Passwords (If Needed)
- If you entered any passwords while infected, change them immediately.
- Use a password manager like Bitwarden or LastPass to create strong passwords.
🛡 Step 9: Prevent Future Attacks
- Use an ad blocker (like uBlock Origin).
- Enable Safe Browsing in Chrome:
chrome://settings/security
→ Turn on Enhanced Protection. - Avoid downloading software from untrusted websites.
🆘 Step 10: Seek Professional Help (If Needed)
- If your system is still acting weird or showing pop-ups, you may need professional IT help or consider reinstalling Windows/macOS.
🔹 Following these steps should remove the malware and protect you from future malvertising attacks. Stay safe! 🚀