# Fake Claude Install Guide Delivers Six-Stage macOS Stealer and RAT, Huntress Finds

> Source: <https://www.itsecurityguru.org/2026/07/30/fake-claude-install-guide-delivers-six-stage-macos-stealer-and-rat-huntress-finds/?utm_source=rss&utm_medium=rss&utm_campaign=fake-claude-install-guide-delivers-six-stage-macos-stealer-and-rat-huntress-finds>
> Published: 2026-07-30 10:47:15+00:00

Security researchers at Huntress have reverse-engineered a previously undocumented macOS malware family, dubbed MacSync, after tracing an intrusion back to a malicious advertisement masquerading as installation instructions for Anthropic’s Claude AI assistant. According to Huntress, the infection began when a victim searched Google for guidance on installing Claude on a Mac and clicked a sponsored […]

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