Blurred Lines: AdTech Abuse Delivers Browser Hijackers Through the Microsoft Store

Reported 02 Apr 2026 by otx · Severity: medium

A newly uncovered campaign abuses the Trillion (formerly Trellian) AdTech network, mimicking the flow of a Traffic Direction System (TDS) to trick visitors of typo-squatted domains into downloading Microsoft Store apps that contain browser hijacking malware. While the abuse of Ad