Hackers Use SEO Poisoning to Impersonate Gemini CLI and Claude Code Installers

Cybersecuritynews •Tushar Subhra Dutta • May 26, 2026

Hackers are targeting software developers by creating fake installation pages for two popular AI coding tools, Gemini CLI and Claude Code. The attackers are using a technique called SEO poisoning to push their malicious websites above real ones in results, tricking developers into running dangerous commands on their own machines. The campaign began surfacing […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

InstallFix Campaign Exploits AI Trust to Deliver Malware via Fake Install Pages The InstallFix campaign targets users by creating fake installation pages for Anthropic's Claude AI, tricking them into executing malware. This sophisticated social engineering tactic exploits the growing reliance on AI tools, affecting both developers and non-technical users. The malware, primarily the Amatera Stealer, collects sensitive information and establishes persistence on compromised systems. Attackers use Google Ads to promote these malicious pages, which mimic legitimate installation commands. The campaign has been observed impacting users on both Windows and macOS platforms. Security researchers have identified the use of PowerShell and MSHTA to execute malicious commands. The threat landscape is evolving as attackers leverage common developer habits, increasing the risk of infection. Organizations are urged to remain vigilant against these deceptive tactics. 42 sources 70

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Hackers Use SEO Poisoning to Impersonate Gemini CLI and Claude Code Installers

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Extracted Entities

Attack Types (1)

MITRE ATT&CK (1)

Tools (2)