216.73.216.226

A New Threat Actor Using ClickFix and Fake Update Drive-By Attacks in Thousands of Compromised Sites

· Published 30/05/2026 08:07 · Modified 02/06/2026 09:30

Export JSON

Essential information

Published
30/05/2026 08:07
Modified
02/06/2026 09:30
Source / Author
AlienVault
Confidence
100/100
Report type(s)
threat-report
Labels / Tags
bulletproof hosting clickfix drive-by attacks drivesurge fakeupdates initial access broker macos targeting ztds browser impersonation
Tags
2026-05-30 2026-06-01 browser impersonation bulletproof hosting clickfix drive-by attacks drivesurge fakeupdates initial access broker macos targeting ztds
Related entities
32 indicators, 32 observables, 1 intrusion sets (apt), 19 techniques (mitre), 20 others

Description

is a newly identified threat actor operating as an using a Pay-Per-Install model to supply victim leads to downstream actors. The actor has compromised thousands of websites, injecting malicious code that redirects visitors through (Traffic Distribution System) to deliver malware via two primary methods: , which impersonate browser update prompts for Chrome, Firefox, Edge, Safari, and eight other browsers; and , which tricks users into executing malicious PowerShell commands disguised as fixes. leverages sophisticated infrastructure including , obfuscated JavaScript injection patterns, and environment-specific targeting including macOS systems. The operation has been active since at least September 2025, utilizing specific technical fingerprints including unique file naming conventions and server configurations that enable detection and tracking of their evolving infrastructure.

External references