It starts with a startling pop-up message on your computer screen, often accompanied by a loud siren or a voice warning you that your system is compromised. "Call this number immediately to fix the virus," it says. If you call, you're walking into a tech support scam.
The Hook: The Fake Warning
Scammers use "scareware" to convince you that your computer is broken. These pop-ups are just browser-based scripts designed to look like system errors. They are NOT actual virus detections.
The Trap: Remote Access
Once you call the number, the "agent" will ask you to download software like AnyDesk, TeamViewer, or LogMeIn so they can "scan" your computer.
- The "Scan": They'll show you normal system logs and claim they represent "thousands of hackers."
- The "Fix": They'll offer to fix the problem for a fee, often hundreds of dollars, payable via gift cards or credit card.
- The Payload: While they have remote access, they can install real malware, steal your browser's saved passwords, or even access your bank account while you're watching.
How to Avoid the Trap
- Never Call the Number: Legitimate tech companies like Microsoft or Apple will never put their phone number in a pop-up warning.
- Force Close Your Browser: If you get a stuck pop-up, use
Ctrl + Alt + Delete(on Windows) orCommand + Option + Escape(on Mac) to close your web browser. - Never Give Remote Access: Unless YOU initiated the contact with a trusted company you already have a relationship with, never allow someone to remotely control your computer.
If You've Given Access Already
- Disconnect from the Internet: Pull the plug or turn off Wi-Fi immediately.
- Uninstall the Software: Remove the remote access tool they had you download.
- Run a Real Virus Scan: Use a reputable antivirus program (like Windows Defender or Malwarebytes) to scan for actual threats they might have installed.
- Change Your Credentials: Reset passwords for your bank, email, and primary accounts using a different, clean device.
Stay skeptical of unrequested help. Real experts don't find you; you find them.
About this safety guide
Our team at Scam-Watch works tirelessly to document emerging threats. This guide was produced using real-world data and expert analysis to help you stay safe online. If you've encountered something similar, please report it.