Tech Support Scam Checker: is this warning real?
Paste a scary "virus" pop-up, a support message, or a number and check whether it is a tech-support scam.
Tech-support scams try to convince you that your computer is infected, hacked, or compromised so that you hand over remote access, personal information, or money. They appear as alarming full-screen pop-ups, fake security warnings, unexpected calls claiming to be "Microsoft" or "Apple," or emails about a subscription you never bought.
The pop-up version often locks your screen and blares a warning with a phone number to call "immediately." The number reaches a scammer who asks to remotely control your device, then either steals data, installs real malware, or charges you for fake "repairs." A related "refund scam" pretends to refund you, then claims they sent too much and demands you pay the difference back.
Spidanest evaluates the pop-up text, the message, or the support number and uses AI to recognize the pressure tactics and impersonation patterns of tech-support fraud — so you know before you call or click.
Warning signs of a tech-support scam
A pop-up or call claiming your device is infected and telling you to call a number "immediately."
The message impersonates Microsoft, Apple, Norton, or another big brand and adds urgency.
You are asked to install remote-access software (AnyDesk, TeamViewer, etc.) so they can "fix" it.
A full-screen warning that will not close, sometimes with an alarm sound.
A "refund" or "renewal" notice for software you never bought, urging you to call to cancel.
They ask for payment in gift cards, wire transfer, or cryptocurrency to fix the "problem."
What to do about a tech-support scam
Do not call the number
Real security warnings never give you a phone number to call. Paste the pop-up text or number into Spidanest instead.
Close it safely
Do not click anything inside the pop-up. Close the browser tab, or if the screen is locked, restart your device. The "virus" is almost always just the pop-up itself.
Never grant remote access
Legitimate companies will not cold-call and ask to take control of your computer. Never install remote-access software at a stranger’s request.
Verify through official support
If you are worried about a real subscription, log into that account directly or use the official app. Never use the contact details from the warning.
Not sure? Check it in seconds.
Paste the pop-up text, support message, or phone number into the scanner. Spidanest returns a clear risk score, a threat tier, and a plain-English explanation of exactly what it found — free to start.
Scan it free nowFrequently asked questions
Is the "your computer is infected" pop-up real?
Almost never. Legitimate antivirus software does not lock your screen or give you a phone number to call. These pop-ups are a scam designed to make you call and grant remote access. Close the tab or restart your device.
Microsoft/Apple called me about a virus — is that legitimate?
No. Microsoft, Apple, and similar companies do not make unsolicited calls about viruses on your device. Hang up. If you want to be sure, contact the company yourself through its official website.
I gave a scammer remote access — what should I do?
Disconnect from the internet, restart your device, and run a trusted security scan. Change your important passwords from a different device, enable two-factor authentication, and contact your bank if you shared any financial details or made a payment.
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