Technical Analysis & Behavior
DDIUtilities (family: HighsterMobile) is a verified Android stalkerware and covert surveillance application tracked by the Coalition Against Stalkerware and Echap. Also distributed under aliases: AutoForward, DDI, DDIUtilities, EasySpy, Highster, HighsterMobile, HighsterSpy, PhoneSpector. Associated disguised Android package IDs: org.secure.smsgps, com.autoforward.monitor, com.phonespector.app, com.ddiutilities.monitor. Signed with developer SHA1 certificate 683722A1C629AD57... Linked command/marketing domain: auto-forward.com. Once sideloaded with Accessibility, Notification Listener, and Device Admin permissions, it hides its launcher icon and silently exfiltrates SMS messages, call logs, WhatsApp/Signal chats, real-time GPS coordinates, and microphone audio.