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Malicious ads push Lumma infostealer via fake CAPTCHA pages

A large-scale malvertising campaign distributed the Lumma Stealer info-stealing malware through fake CAPTCHA verification pages that prompt users to run PowerShell commands to verify they are not a bot. The campaign leveraged the Monetag ad network to propagate over one million ad impressions daily across three thousand websites. The malicious operation, dubbed “DeceptionAds” by Guardio Labs and Infoblox researchers, is believed…