That Virus Warning Might Be Fake

You’re browsing the web when suddenly your screen lights up with warnings:

“VIRUS DETECTED!”
“Your computer is infected!”
“Microsoft has detected suspicious activity!”
“Call this number immediately!”

It looks official. It may even use the Microsoft, Windows, McAfee, Norton, or Google logo.

But there’s a good chance your computer isn’t infected at all.

Fake Virus Warnings Are Designed to Scare You

Scammers know that if they can make you panic, you’re more likely to click a button, call a phone number, download a program, or hand over personal information.

These fake warnings commonly appear as:

• Browser pop-ups

• Full-screen webpages

• Chrome or Edge notifications

• Fake antivirus alerts

• Fake Microsoft support messages

• Repeated notifications in the bottom-right corner of Windows

Some even play loud sounds or tell you that closing the page will damage your computer.

That’s part of the scam.

Microsoft Is Not Going to Tell You to Call a Random Phone Number

One of the biggest warning signs is a message telling you to call “Microsoft Support” immediately.

Microsoft does not display random browser pop-ups telling you to call a support number because your computer has a virus.

If a webpage says:

“DO NOT TURN OFF YOUR COMPUTER — CALL MICROSOFT NOW”

Do not call the number.

The person on the other end may try to convince you to install remote-access software such as AnyDesk, TeamViewer, or another support tool. Once connected, they can potentially access your files, saved passwords, email, banking information, and other personal data.

Be Careful With Browser Notifications

Another common trick starts with a website asking:

“Allow notifications?”

If you click Allow on the wrong website, that site may begin sending fake security alerts directly through your browser.

Because those notifications appear on your Windows desktop, they can look like real system messages.

A notification that says your McAfee subscription expired does not necessarily mean you even have McAfee installed.

What Should You Do?

If you receive a suspicious virus warning:

Don’t click anything inside the warning.

Do not call the phone number, download the recommended software, enter a credit card number, or give anyone remote access to your computer.

Instead:

1. Close the browser tab or browser window.

2. If it refuses to close, press Ctrl + Shift + Esc to open Task Manager and close the browser.

3. Reopen your browser without restoring the suspicious page.

4. Check your browser notification permissions and remove websites you don’t recognize.

5. Run a scan with Windows Security or your trusted antivirus software.

If the warnings continue appearing after the browser is closed, your computer may need a closer look.

What If You Already Called the Number?

If you already gave someone remote access to your computer, don’t panic—but take it seriously.

Disconnect the computer from the internet and have it inspected.

You should also consider changing important passwords from a different, trusted device, particularly for:

• Email

• Banking

• Microsoft or Google accounts

• Shopping accounts

• Password managers

If financial information was provided, contact your bank or credit-card provider as well.

The Easy Rule to Remember

A legitimate security program may warn you about a threat.

It should not pressure you into calling a random phone number, paying someone immediately, or allowing a stranger to remotely control your computer.

When in doubt:

Don’t click. Don’t call. Don’t panic.

Take a screenshot or picture of the message and ask someone you trust before doing anything else.

Need Help Figuring Out If a Warning Is Real?

MooseDenIT provides remote and on-site technology support for home users and small businesses.

If something strange pops up on your computer and you’re not sure whether it’s legitimate, we can help you figure it out before a fake warning turns into a real problem.

MooseDenIT
Practical IT help without the corporate runaround.