Technical Analysis & Behavior
Package Analysis for 'com.sec.vsimservice' (Oem / Advanced Debloat Target): VSim Service Lets you use a virtual sim Has a LOT of permissions (and involving IMS service) Run at startup. FYI : Android users frequently spot 'com.sec.vsimservice' running persistently in Battery Usage, Network Data Monitor, or Developer Running Services. Note: Malicious trojans and stalkerware APKs also frequently spoof legitimate Oem system package names like 'com.sec.vsimservice' to evade manual detection.