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A realtime malware scanner

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Tad 108dab063d Server override option Signed-off-by: Tad <tad@spotco.us>		2022-04-03 21:19:10 -04:00
.idea	Server override option	2022-04-03 21:19:10 -04:00
app	Server override option	2022-04-03 21:19:10 -04:00
fastlane/metadata/android	Server override option	2022-04-03 21:19:10 -04:00
gradle/wrapper	Bump versions	2021-07-21 15:47:10 -04:00
graphics	Many small improvements	2021-02-22 14:26:23 -05:00
scripts	Tiny tweak	2021-09-20 12:09:15 -04:00
.gitignore	Initial commit	2017-12-13 22:44:56 -05:00
.gitlab-ci.yml	CI Improvements	2021-09-24 16:04:57 -04:00
build.gradle	Bump versions	2021-07-21 15:47:10 -04:00
debugkey.pk8	CI Improvements	2021-09-24 16:04:57 -04:00
debugkey.x509.pem	CI Improvements	2021-09-24 16:04:57 -04:00
gradle.properties	AndroidX migration	2019-09-22 21:17:21 -04:00
gradlew	Update gradle wrapper	2021-05-11 14:27:27 -04:00
gradlew.bat	Update gradle wrapper	2021-05-11 14:27:27 -04:00
LICENSE	Much more scaffolding	2017-12-13 23:42:10 -05:00
README.de.md	Bump versions	2022-02-26 20:13:04 -05:00
README.fr.md	Bump version	2021-03-03 15:38:01 -05:00
README.it.md	Add the Italian README	2021-03-20 19:31:06 -04:00
README.md	Bump for release	2022-03-17 22:59:34 -04:00
settings.gradle	Bump app version	2017-12-26 18:54:57 -05:00

Hypatia

Overview

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

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

Signature databases are ClamAV .hdb (MD5 hashes) and .hsb (SHA-1/SHA-256) format
Signature databases will not be redownloaded if the file hasn't changed on the server (304 not modified)
Signatures are stored using HashMaps for O(1) lookup
Files have their MD5/SHA-1/SHA-256 hashes calculated in one pass
Realtime scanner is multithreaded and will use half of the device's core count for scanning multiple files asynchronously
Realtime scanning powered by a recursive FileObserver
Network connections will be made to the following: https://divested.dev/MalwareScannerSignatures/.hb.gz

ClamAV for the databases (GPLv2)
ESET for extra databases (BSD 2-Clause)
Nex (@botherder) for extra databases (CC BY-SA 4.0)
RecursiveFileObserver.java (GPLv3): Daniel Gultsch, ownCloud Inc., Bartek Przybylski
Petra Mirelli for the German/Spanish/Italian translations, the app banner/feature graphic, and various tweaks.
Jean-Luc Tibaux and Petra Mirelli for the French translations.
@dantecpu for the Italian translations.
@inkhorn for the Portuguese translations.
@jontaix for Portuguese translations.
@q1011 for the Russian translations.
Oswald van Ginkel for the Afrikaans translations.
Icons: Google/Android/AOSP, License: Apache 2.0, https://google.github.io/material-design-icons/