HSEO WordPress malware

“HSEO” WordPress Malware: Fake CAPTCHA Popups, Keeps Re-Adding Itself

Clarity TLDR: “HSEO” is hidden WordPress malware: a fake CAPTCHA popup walks visitors into pressing Windows+R and running mshta on a remote URL — a malware installer disguised as a security check. It installs as a hidden hseo/hseo.php plugin and re-adds itself after deletion. The detection and full removal steps are below. Clarity Quick Tip:

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