#StackBounty: #google-play-store #adb #security #installation #apk How to block app silent installation

Bounty: 100

Recently I noticed I have opera browser installed. I definitely did not install it because I was sleeping at that time. I checked installation time and revealed it was the day before yesterday

enter image description here

Checking installation source like this outputs android:

adb shell dumpsys package com.opera.browser | grep -e "installerPackageName"

so I don’t know whether it was through Play Store or through APK.

Can I found out who have done this and how can I prevent future intrusions?

P.S. I have MIUI 11.0.3 Global device

UPDATE:

INSTALL_PACKAGES permission

apps

  • com.miui.msa.global
  • com.android.vending
  • com.miui.cloudbackup
  • com.google.android.packageinstaller
  • com.xiaomi.mipicks
  • com.android.managedprovisioning
  • com.facebook.system
  • com.miui.analytics
  • com.xiaomi.discover

users

  • android.uid.backup
  • android.uid.shell

services

  • com.lbe.security.miui/com.lbe.security.service.SecurityService

REQUEST_INSTALL_PACKAGES permission

  • android
  • com.miui.msa.global
  • com.android.browser
  • com.miui.player
  • com.google.android.gm
  • com.google.android.apps.docs
  • com.android.chrome
  • com.xiaomi.midrop
  • com.miui.hybrid
  • com.miui.securityadd

users

  • android.uid.bluetooth


Get this bounty!!!

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