Android adware: What is it, and how do I get it off my device?

This article from ESET explains the nature and risks of Android adware, describes common delivery and evasion techniques, highlights detection trends including a 160% surge in adware detections in H1 2025, and details the Kaleidoscope ad-fraud campaign that uses identical benign and malicious app twins to generate fraudulent ad impressions; it also provides user-focused mitigation and removal advice.