Wednesday, April 24, 2024

43 Malicious Android Apps With Over 2.5 Million Installs Display Secret Ads

It has been reported that over 43 Android applications, which are available on the Google Play Store, display ads while the mobile screen is turned off.

When the users attempt to open their home screen, they might catch a glimpse of the ad.

Though this seems to be less annoying for users, it is clearly a violation of Google Play Developer policy on how ads should be displayed.

From the user end, it might be convenient to look at lesser ads, but these apps drain the battery and consume more data.

Malicious Apps (Source: McAfee)

Additionally, these ads might also pose potential risks like information leaks and a kind of clickjacking attack.

Combinedly these apps had a total of 2.5 million installations. Most of these apps belong to TV/DMB players, Music downloaders, News and Calendar categories.

Working on these Applications

Google scans every application before they are available to the users on the Play Store. These apps evaded detection and inspection by modifying the latency period of these fraudulent activities.

It might be typically several weeks before these applications begin to initiate ads which makes it difficult to detect.

Code showing Latency period (Source: McAfee)

Furthermore, these applications have libraries that can be modified remotely by the developer. Ads are pushed using Firebase Storage or Messaging service.

Users must take precautions before allowing “power saving” permissions and “draw over other apps” permissions for an application as they allow applications to perform discrete activities in the background.

Most of these applications have been removed from Google Play Store after they were reported to Google by McAfee researchers. It is recommended that users take into consideration these kinds of applications and check for application permissions regularly to revoke any application permission that might no longer be needed.

Indicators of Compromise

Domains

  • best.7080music.com 
  • m.gooogoole.com 
  • barocom.mgooogl.com 
  • newcom.mgooogl.com 
  • easydmb.mgooogl.com 
  • freekr.mgooogl.com 
  • fivedmb.mgooogl.com 
  • krlive.mgooogl.com 
  • sixdmb.mgooogl.com 
  • onairshop.mgooogle.com 
  • livedmb.mgooogle.com 
  • krbaro.mgooogle.com 
  • onairlive.mgooogle.com 
  • krdmb.mgooogle.com 
  • onairbest.ocooooo.com 
  • dmbtv.ocooooo.com 
  • ringtones.ocooooo.com 
  • onairmedia.ocooooo.com 
  • onairnine.ocooooo.com 
  • liveplay.oocooooo.com 
  • liveplus.oocooooo.com 
  • liveonair.oocooooo.com 
  • eightonair.oocooooo.com 
  • krmedia.oocooooo.com 
  • kronair.oocooooo.com 
  • newkrbada.ooooccoo.com 
  • trot.ooooccoo.com 
  • thememusic.ooooccoo.com 
  • trot.ooooccoo.com 
  • goodkrsea.ooooccoo.com 
  • krlive.ooooccoo.com 
  • news.ooooccoo.com 
  • bestpado.ooooccoo.com 
  • krtv.oooocooo.com 
  • onairbaro.oooocooo.com 
  • barolive.oooocooo.com 
  • mppado.oooocooo.com 
  • dmblive.oooocooo.com 
  • baromedia.oooocooo.com 
  • musicbada.oouooo.com 
  • barolive.oouooo.com 
  • sea.oouooo.com 
  • blackmusic.oouooo.com 

Android Application Packages

Package Name Application Name SHA256 Google Play Downloads 
band.kr.com DMB TV f3e5aebdbd5cd94606211b04684730656e0eeb1d08f4457062e25e7f05d1c2d1 10,000+ 
com.dmb.media DMB TV 6aaaa6f579f6a1904dcf38315607d6a5a2ca15cc78920743cf85cc4b0b892050 100,000+ 
dmb.onair.media DMB TV a98c5170da2fdee71b699ee145bfe4bdcb586b623bbb364a93bb8bdf8dbc4537 10,000+ 
easy.kr DMB TV 5ec8244b2b1f516fd96b0574dc044dd40076ff7aa7dadb02dfefbd92fc3774bf 100,000+ 
kr.dmb.onair DMB TV e81c0fef52065864ee5021e1d4c7c78d6a407579e1d48fc4cf5551ff0540fdb8 5,000+ 
livedmb.kr DMB TV 33e5606983526757fef2f6c1da26474f4f9bf34e966d3c204772de45f42a6107 50,000+ 
stream.kr.com DMB TV a13e26bce41f601a9fafdec8003c5fd14908856afbab63706b133318bc61b769 100+ 
com.breakingnews.player 뉴스 속보 d27b8e07b7d79086af2fa805ef8d77ee51d86a02d81f2b8236febb92cb9b242d 10,000+ 
jowonsoft.android.calendar 달력 46757b1f785f2b3cec2906a97597b7db4bfba168086b60dd6d58d5a8aef9e874 10,000+ 
com.music.free.bada 뮤직다운 a3fe9f9b531ab6fe79ed886909f9520a0d0ae98cf11a98f061dc179800aa5931 100,000+ 
com.musicdown 뮤직다운 5f8eb3f86fc608f9de495ff0e65b866a78c25a9260da04ebca461784f039ba16 5,000+ 
new.kr.com 뮤직다운 397373c39352ef63786fe70923a58d26cdf9b23fa662f3133ebcbc0c5b837b66 100,000+ 
baro.com 바로TV 3b4302d00e21cbf691ddb20b55b045712bad7fa71eb570dd8d3d41b8d16ce919 10,000+ 
baro.live.tv 바로TV 760aa1a6c0d1e8e4e2d3258e197ce704994b24e8edfd48ef7558454893796ebe 50,000+ 
baro.onair.media 바로TV b83a346e18ca20ac5165bc1ce1c8807e89d05abc6a1df0adc3f1f0ad4bb5cd0c 10,000+ 
kr.baro.dmb 바로TV 84a4426b1f8ea2ddb66f12ef383a0762a011d98ff96c27a0122558babdaf0765 100,000+ 
kr.live 바로TV cccfdf95f74add21da546a03c8ec06c7832ba11091c6d491b0aadaf0e2e57bcc 1,000+ 
newlive.com 바로TV c76af429fabcfd73066302eeb9dd1235fd181583e6ee9ee9015952e20b4f65bf 50,000+ 
onair.baro.media 바로TV 6c61059da2ae3a8d130c50295370baad13866d7e5dc847f620ad171cc01a39e9 10,000+ 
freemusic.ringtone.player 벨소리 무료다운 75c74e204d5695c75209b74b10b3469babec1f7ef84c7a7facb5b5e91be0ae3e 100,000+ 
com.app.allplayer 실시간 TV 8d881890cfa071f49301cfe9add6442d633c01935811b6caced813de5c6c6534 50,000+ 
com.onair.shop 실시간 TV 1501dd8267240b0db0ba00e7bde647733230383d6b67678fc6f0c7f3962bd0d3 50,000+ 
eight.krdmb.onair 실시간 TV bbd6ddbfee7482fe3fe8b5d96f3be85e09352711a36cd8cf88cfdeaf6ff90c79 10,000+ 
free.kr 실시간 TV 5f864aa88de07a10045849a7906f616d079eef94cd463e40036760f712361f79 10,000+ 
kr.dmb.nine 실시간 TV ea49ad38dd7500a6ac12613afe705eb1a4bcab5bcd77ef24f2b9a480a34e4f46 100,000+ 
kr.live.com 실시간 TV f09cff8a05a92ddf388e56ecd66644bf88d826c5b2a4419f371721429c1359a7 10,000+ 
kr.live.onair 실시간 TV e8d2068d086d376f1b78d9e510a873ba1abd59703c2267224aa58d3fca2cacbd 100,000+ 
kr.live.tv 실시간 TV 1b64283e5d7e91cae91643a7dcdde74a188ea8bde1cf745159aac76a3417346e 50,000+ 
kr.media.onair 실시간 TV bd0ac9b7717f710e74088df480bde629e54289a61fc23bee60fd0ea560d39952 100,000+ 
kr.onair.media 실시간 TV d7dd4766043d4f7f640c7c3fabd08b1a7ccbb93eba88cf766a0de008a569ae4d 1,000+ 
live.kr.onair 실시간 TV b84b22bc0146f48982105945bbab233fc21306f0f95503a1f2f578c1149d7e46 10,000+ 
live.play.com 실시간 TV 516032d21edc2ef4fef389d999df76603538d1bbd9d357a995e3ce4f274a9922 50,000+ 
new.com 실시간 TV 5d07a113ce389e430bab70a5409f5d7ca261bcdb47e4d8047ae7f3507f044b08 50,000+ 
newlive.kr 실시간 TV afc8c1c6f74abfadd8b0490b454eebd7f68c7706a748e4f67acb127ce9772cdb 100,000+ 
onair.best 실시간 TV 6234eadfe70231972a4c05ff91be016f7c8af1a8b080de0085de046954c9e8e7 50,000+ 
com.m.music.free 음악다운 ded860430c581628ea5ca81a2f0f0a485cf2eeb9feafe5c6859b9ecc54a964b2 500,000+ 
good.kr.com 음악다운 bede67693a6c9a51889f949a83ff601b1105c17c0ca5904906373750b3802e91 100,000+ 
new.music.com 음악다운 fee6cc8b606cf31e55d85a7f0bf7751e700156ce5f7376348e3357d3b4ec0957 1,000+ 
play.com.apps 음악다운 b2c1caab0e09b4e99d5d5fd403c506d93497ddb2de3e32931237550dbdbe7f06 100,000+ 
com.alltrot.player 트로트 노래모음 469792f4b9e4320faf0746f09ebbcd8b7cd698a04eef12112d1db03b426ff70c 50,000+ 
com.trotmusic.player 트로트 노래모음 879014bc1e71d7d14265e57c46c2b26537a81020cc105a030f281b1cc43aeb77 5,000+ 
best.kr.com 파도 MP3 f2bbe087c3b4902a199710a022adf8b57fd927acac0895ab85cfd3e61c376ea5 100,000+ 
com.pado.music.mp3 파도 MP3 9c84c91f28eadd0a93ef055809ca3bceb10a283955c9403ef1a39373139d59f2 100,000+ 

Source: McAfee

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Eswar
Eswar
Eswar is a Cyber security content editor with a passion for creating captivating and informative content. With years of experience under his belt in Cyber Security, he is covering Cyber Security News, technology and other news.

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