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Libraries & Demo

Multiple valid signatures exist for this app. If you're having trouble with installation due to a mismatched signature, try a different one. See this FAQ entry for more info.

This APK's signature: 0399. Other known valid signatures: 230a.

Download PhoneAccount Abuse Detector 1.1 APK

Version: 1.1 (2)
Languages: 74
Package: space.linuxct.phoneaccountdetector
Downloads: 69

3.5 MB (3,665,915 bytes)

Min: Android 6.0 (Marshmallow, API 23)
Target: Android 12 (API 31)

nodpi

MD5, SHA-1, SHA-256 signatures

Permissions: 2Features: 1

Uploaded December 14, 2021 at 8:26PM UTC by MarkDubya

PhoneAccount Abuse Detector App Updates

linuxct Dev Updates

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Verified safe to install (read more)

Download APK
3.5 MB

A more recent upload may be available below!

What's new in PhoneAccount Abuse Detector 1.1

Added support for previous (known non-vulnerable versions) of Android.
Decreased release size a 43%.

About PhoneAccount Abuse Detector 1.1

PhoneAccount Abuse Detector

Simple application to enumerate and detect any application that (ab)uses adding an indefinite amount of PhoneAccount(s) to Android's TelecomManager. As seen on Android Police, XDA-Developers, Xataka Android.

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Background

This application exists because malicious or just improperly programmed applications can, intentionally or not, block your device from the ability to call emergency numbers. If you are in such a situation, this app helps you to find the culprit – which you then can uninstall (or disable).

For the exact details on the vulnerability (why this happens, how it was discovered, fixes timeline, ...), please check the article by Mishaal Rahman here.

About permissions

This application requires two call management permissions, Manifest.permission.READ_PHONE_STATE and Manifest.permission.READ_PHONE_NUMBERS.

READ_PHONE_STATE is used in all supported Android versions, whereas READ_PHONE_NUMBERS is requested on Android 12 and onwards exclusively. This is because on Android, in order to read which applications are adding PhoneAccounts to Android's TelecomManager, these permissions are necessary.

No permission is (ab)used to log, collect or process any personally identifiable user information.

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Click here to download the latest version

Application usage

The application is very simple, and contains 2 components:

A message at the top of the device, explaining if the application detected a possible abuse of this functionality which may cause issues while attempting to call Emergency Services.
A list of the applications that have registered a Phone Account in your device, usually including your own SIM Cards, Google Duo, Teams, among others. Alongside each app, the number of accounts is displayed to facilitate the identification of the malfunctioning/hijacking application.

Check this video if you have doubts on how to interpret this data:

(Thanks to Explaining Android for the video)