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100 + Malicious Apps installed 4.6 Million Android Devices from Play Store

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Researchers discovered over 100 malicious apps from Google play store that downloaded by more than 4.6 android users around the globe.

Most of the malicious apps are commits ad fraud, and the app malicious apps are using the same common code package dubbed “Soraka” (com.android.sorakalibrary.*).

“GBHackers on Security” reported several adware incidents in the past few months, and it’s rapidly growing to exclusively target the Android users to generate millions of dollars revenue.

Malware, Spyware, and Adware can accompany them, become a parasite in user’s systems resulting in unnecessary disruptions, and breaches of the personal data in your Android devices.

In addition to the Soraka code package, Researchers also discovered, in some of the apps, a variant with similar functionality which we dubbed “Sogo” (com.android.sogolibrary.*):

Some of The Malicious Apps Activities

An app called “Best Fortune Explorer App” published under the publisher JavierGentry80 commits to various malicious activities, including trick users to click the ads to generating revenue.

This apps contains more than 170,000 downloads with no Anti-Virus (AV) detections on VirusTotal.

Adware’s performing several filters the following code checks before a fraudulent ad  

  • Screen On
  • TopActivity
  • Interval since installation
  • Trigger on/off switches
  • Ad Network daily count limit
  • Trigger time interval (to space out the ad rendering for each trigger)

Sophisticated filter mechanism helps attackers to avoid detection from automated analysis .

In the ad fraud activities, Upon unlocking the device, the app code removes the background notification service that halts all fraud activity while the phone screen is off and the first Out-of-Context (OOC) ad is rendered a couple of seconds after the device is unlocked.

malicious apps

Attackers using Java-based persistence mechanisms to maintain persistence in the infected Android device.

“This mechanism also allows fine-grain control of who (or what) receives the ad fraud, using the controls of ad serving platforms. The apps render out-of-context ads when the filter conditions are appropriate.”

The White Ops Threat Intelligence team said that they continue to monitor these packages and will identify any emerging packages.

We recommend the removal of any apps listed in the Indicators of Compromise

Package Name:

art.photo.editor.best.hot
bedtime.reminder.lite.sleep
com.am.i.the.best.friends.hh
com.appodeal.test
com.beauty.mirror.lite
com.bedtimehelper.android
com.bkkmaster.android
com.calculator.game
com.card.life
com.cartoon.camera.pro.android
com.code.identifier.android
com.code.recognizer.android
com.color.spy.game
com.cute.kittens.puzzlegame.android
com.cute.love.test.android
com.daily.wonderfull.moment
com.dailycostmaster.android
com.dangerous.writing.note
com.data.securite.data
com.days.daysmatter365.android
com.days.remind.calendar
com.detector.noise.tool
com.dodge.emoji.game
com.dog.bark.picture.puzzle
com.drink.water.remind.you
com.ezzz.fan.sleep.noise
com.fake.call.girlfriend.prank2019
com.fakecaller.android
com.fake.caller.plus
com.false.location
com.fancy.lovetest.android
com.fast.code.scanner.nmd
com.filemanagerkilopro.android
com.filemanagerupro.android
com.filemanageryo.android
com.filemanagerzeropro.android
com.find.difference.detective.little
com.find.you.lover.test
com.frame.easy.phone
com.frank.video.call.lite
com.free.code.scanner.nmd
com.free.lucky.prediction.test
com.funny.lie.truth.detector
com.funny.word.game.english
com.game.color.hunter
com.ice.survival.berg
com.idays.dayscounter.android
com.important.days.matter
com.instanomo.android
com.isleep.cycleclock.android
com.led.color.light.rolling
com.lite.fake.gps.location
com.lovetest.plus.android
com.love.yourself.women
com.lucky.charm.text
com.lucky.destiny.teller
com.magnifying.glass.tool
com.math.braingame.puzzle.riddle
com.math.iq.puzzle.riddle.braingame
com.math.puzzles.riddle.braingame
com.multiple.scanner.plus.nmd
com.my.big.days.counter
com.my.constellation.love.work
com.my.pocker.mobile.mirror
com.nanny.tool.data
com.nice.mobile.mirror.hd
com.nomophotoeditor.android
com.non.stop.writing
com.phone.lite.frame
com.phone.mirror.pro
com.pocker.pro.mobile.mirror
com.prank.call.fake.ring
com.phonecallmaker.android
com.pro.test.noise
com.puzzle.cute.dog.android
com.scan.code.tool
com.simple.days.counter
com.sleep.comfortable.sounds
com.sleep.in.rain
com.sleepassistantool.android
com.sleeptimer.android
com.smart.scanner.master.nmd
com.test.find.your.love
com.test.fortune.tester
com.test.lover.match
com.tiny.scanner.tool.nmd
com.wmmaster.android
com.word.fun.level.english
good.lucky.is.coming.hh
mobi.clock.android
my.lucky.goddness.today.test
newest.android.fake.location.changer
nmd.andriod.better.calculator.plus
nmd.andriod.mobile.calculator.master
nmd.android.best.fortune.explorer
nmd.android.better.fortune.signs
nmd.android.clam.white.noise
nmd.android.fake.incoming.call
nmd.android.good.luck.everyday
nmd.android.location.faker.master
nmd.android.multiple.fortune.test
nmd.android.scanner.master.plus
nmd.android.test.what.suitable
photo.editor.pro.magic
pic.art.photo.studio.picture
relax.ezzz.sleep.cradle
super.lucky.magican.newest
test.you.romantic.quize
well.sleep.guard.relax
your.best.lucky.master.test.new
com.ssdk.test
bedtime.reminder.lite.sleep
com.frank.video.call.lite.pro.prank
com.personal.fortune.text
com.daily.best.suit.you
com.false.call.trick

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