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Hypatia

A real-time malware scanner
Hypatia is the worlds first FOSS malware scanner for Android. It is powered by ClamAV style signature databases.

Features

  • Near zero battery impact: you'll never notice any impact on battery at all

  • Extremely fast: it can scan small files (1MB) in 20ms, and even large files (40MB) in 1000ms.

  • Memory efficient: with the default databases enabled it uses under 120MB.

  • Regular scan: allowing selection of /system, internal storage, external storage, and installed apps

  • Realtime scanner: can detect malware in realtime on write/rename in internal storage

  • Completely offline: Internet is only used to download signature databases, files will never ever leave your device

  • Persistence: will automatically restart on boot/update

  • Tiny codebase: coming in at under 1000 sloc, it can be audited by even someone with basic programming experience

  • Minimal dependencies: the app only uses libraries when necessary

  • Signature databases can be enabled/disabled at the users demand


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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 3.12 (312) - Added on May 30, 2024

    This version requires Android 4.1 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • request delete packages
      Allows an application to request deletion of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.

    Download APK 486 KiB PGP Signature | Build Log

  • Version 3.11 (311) - Added on May 30, 2024

    This version requires Android 4.1 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • request delete packages
      Allows an application to request deletion of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.

    Download APK 486 KiB PGP Signature | Build Log

  • Version 3.09 (309) - Added on Apr 24, 2024

    This version requires Android 4.1 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • request delete packages
      Allows an application to request deletion of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.

    Download APK 482 KiB PGP Signature | Build Log