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Tech support scam page on basiviro.z1.web.core.windows.net

A user reported a tech support scam lure whose link led to basiviro.z1.web.core.windows.net, a fake warning page that pushes victims to call an international phone number.

First reported
Reports
1

Source: x.com · published

Illustration: Impersonation scams

What happened

In a post on X on October 13, 2026, the user harugasumi reported a lure email with a meaningless subject line whose link led to basiviro.z1.web.core.windows.net/3mbq5r2z/.

The post warned people never to call the phone number shown on such pages, noting that in this example it was an international number. Microsoft's Azure storage hosting (web.core.windows.net) was abused; Microsoft was not involved.

How the scam works

Tech support scam pages imitate a security warning, often full-screen with alarms, claiming the computer is infected or locked. They tell you to call "support" immediately. On the call, the scammer may ask to install remote-access software, then demand payment for a fake repair or try to access online banking.

Hosting the page on a cloud provider's domain helps it look legitimate and avoid blocking.

Note: this report is based on a short public post on X. The "How the scam works" section describes how this type of scam generally operates; it does not add details about this specific site beyond what the post says.

Source

harugasumi on X, October 13, 2026.

Red flags

  • A pop-up or page saying your computer is infected and giving a phone number to call.
  • Pages that go full-screen, play alarms or block you from closing them.
  • An international phone number for "support".

If you were targeted

  1. 1Never call the number on the warning. Close the browser (use Task Manager or restart if it won't close).
  2. 2If you called and allowed remote access, disconnect from the internet, uninstall the remote-access tool and run a security scan.
  3. 3Change passwords from a different device and call your bank if you shared payment or banking details.
  4. 4Report the scam to the FTC at ReportFraud.ftc.gov or your national consumer agency.
ReportFraud.ftc.gov FBI IC3 More resources