TerminalFix Uses Fake CAPTCHA, DLL Sideloading and Steganography to Breach Networks

Gbhackers •Mayura Kathir • August 31, 2026

A sophisticated ClickFix variant dubbed TerminalFix that uses fake Cloudflare CAPTCHA prompts to trick users into executing attacker-controlled PowerShell commands. Rather than delivering a conventional infostealer, the campaign builds persistent access and deploys a reverse-tunnel implant capable of turning an infected Windows endpoint into a proxy for reaching internal network resources. The intrusion begins on […]

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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.

ClickFix Attack Wave Targets Windows Users with StealC Malware A new social engineering campaign named ClickFix is targeting Windows users by presenting fake CAPTCHA verification pages. Victims are led to compromised websites that display fraudulent Cloudflare security checks, tricking them into executing malicious PowerShell commands to deploy the StealC information stealer malware. 230 sources 35

Extracted Entities

TerminalFix Uses Fake CAPTCHA, DLL Sideloading and Steganography to Breach Networks

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Extracted Entities

Attack Types (1)

Campaigns (1)

Malware (1)

MITRE ATT&CK (3)

Platforms (1)

Tools (1)