Fake CAPTCHA scam turns a quick click into a costly phone bill

Fake CAPTCHA scam turns a quick click into a costly phone bill

Geräte hinzufügen oder aktualisieren > Sie haben noch kein Konto? Registrieren > Try our antivirus with a free, full-featured 14-day trial Protect your team’s devices and data – no IT skills needed Explore award-winning endpoint security for your business Researchers have documented a long‑running campaign that uses fake CAPTCHA pages to trick mobile users into sending dozens of international SMS messages in the background. If you’ve spent any time on today’s web, CAPTCHAs may seem like background noise: click a few traffic lights, prove you’re human, move on. Something scammers have learned to abuse in ClickFix campaigns where they lure victims into infecting their own machines. Recently, though, researchers found a twist where “prove you’re human” quietly turns into “run up an international phone bill.” The research describes an International Revenue Share Fraud (IRSF) campaign. IRSF,

Source: https://www.malwarebytes.com/blog/news/2026/04/fake-captcha-scam-turns-a-quick-click-into-a-costly-phone-bill