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<ref>{{cite web|url=http://www.scmagazine.com/chinese-android-smartphones-now-shipping-with-pre-installed-malware/article/436655/|title=Chinese Android smartphones now shipping with pre-installed malware|work=SC Magazine}}</ref><ref>{{cite web|url=http://au.idigitaltimes.com/malware-found-pre-installed-xiaomi-huawei-lenovo-phones-107190|title=Malware Found Pre-Installed on Xiaomi, Huawei, Lenovo Phones|author=Diane Samson|work=iDigitalTimes.com}}</ref><ref>{{cite web|url=http://www.designntrend.com/articles/64631/20151113/amazon-s-40-chinese-android-tablets-infected-pre-installed-malware.htm|title=Amazon’s $40 Chinese Android Tablets Infected With Pre-Installed Malware|work=Design & Trend}}</ref><ref>{{cite web|url=http://www.computerworld.com/article/2488173/security0/pre-installed-malware-found-on-new-android-phones.html|title=Pre-installed malware found on new Android phones|author=Jeremy Kirk|date=5 March 2014|work=Computerworld}}</ref><ref>{{cite web|url=https://public.gdatasoftware.com/Presse/Publikationen/Malware_Reports/G_DATA_MobileMWR_Q2_2015_EN.pdf |format=PDF |title=G Data : Mobile Malware Report |website=Public.gdatasoftware.com |accessdate=2016-04-20}}</ref><ref>{{cite web|url=https://www.hackread.com/amazon-safe-haven-for-android-tablets-malware/|title=Amazon Store, a safe haven for Android Tablets with pre-installed malware|author=Waqas|work=HackRead}}</ref><ref>{{cite web|url=http://www.eweek.com/security/pre-installed-android-malware-raises-security-risks-in-supply-chain.html|title=Pre-Installed Android Malware Raises Security Risks in Supply Chain|publisher=}}</ref><ref>{{cite web|url=http://www.huffingtonpost.com/entry/android-malware-pre-installed_us_55e6f2e8e4b0aec9f355271f|title=Some Android Phones Come With Malware Pre-Installed: Report|work=The Huffington Post}}</ref><ref>{{cite web|url=http://wccftech.com/brand-android-smartphones-coming-spyware-malware/|title=Brand New Android Smartphones Coming with Spyware and Malware|work=WCCFtech}}</ref><ref>{{cite web|url=https://www.grahamcluley.com/2014/06/chinese-android-malware/|title=Chinese Android smartphone comes with malware pre-installed|work=Graham Cluley}}</ref><ref>{{cite web|url=http://www.ghacks.net/2015/09/08/beware-your-android-phone-might-come-with-preloaded-spyware/|title=Beware, your Android phone might come with preloaded spyware|author=Martin Brinkmann|date=8 September 2015|work=gHacks Technology News}}</ref>
<ref>{{cite web|url=http://www.scmagazine.com/chinese-android-smartphones-now-shipping-with-pre-installed-malware/article/436655/|title=Chinese Android smartphones now shipping with pre-installed malware|work=SC Magazine}}</ref><ref>{{cite web|url=http://au.idigitaltimes.com/malware-found-pre-installed-xiaomi-huawei-lenovo-phones-107190|title=Malware Found Pre-Installed on Xiaomi, Huawei, Lenovo Phones|author=Diane Samson|work=iDigitalTimes.com}}</ref><ref>{{cite web|url=http://www.designntrend.com/articles/64631/20151113/amazon-s-40-chinese-android-tablets-infected-pre-installed-malware.htm|title=Amazon’s $40 Chinese Android Tablets Infected With Pre-Installed Malware|work=Design & Trend}}</ref><ref>{{cite web|url=http://www.computerworld.com/article/2488173/security0/pre-installed-malware-found-on-new-android-phones.html|title=Pre-installed malware found on new Android phones|author=Jeremy Kirk|date=5 March 2014|work=Computerworld}}</ref><ref>{{cite web|url=https://public.gdatasoftware.com/Presse/Publikationen/Malware_Reports/G_DATA_MobileMWR_Q2_2015_EN.pdf |format=PDF |title=G Data : Mobile Malware Report |website=Public.gdatasoftware.com |accessdate=2016-04-20}}</ref><ref>{{cite web|url=https://www.hackread.com/amazon-safe-haven-for-android-tablets-malware/|title=Amazon Store, a safe haven for Android Tablets with pre-installed malware|author=Waqas|work=HackRead}}</ref><ref>{{cite web|url=http://www.eweek.com/security/pre-installed-android-malware-raises-security-risks-in-supply-chain.html|title=Pre-Installed Android Malware Raises Security Risks in Supply Chain|publisher=}}</ref><ref>{{cite web|url=http://www.huffingtonpost.com/entry/android-malware-pre-installed_us_55e6f2e8e4b0aec9f355271f|title=Some Android Phones Come With Malware Pre-Installed: Report|work=The Huffington Post}}</ref><ref>{{cite web|url=http://wccftech.com/brand-android-smartphones-coming-spyware-malware/|title=Brand New Android Smartphones Coming with Spyware and Malware|work=WCCFtech}}</ref><ref>{{cite web|url=https://www.grahamcluley.com/2014/06/chinese-android-malware/|title=Chinese Android smartphone comes with malware pre-installed|work=Graham Cluley}}</ref><ref>{{cite web|url=http://www.ghacks.net/2015/09/08/beware-your-android-phone-might-come-with-preloaded-spyware/|title=Beware, your Android phone might come with preloaded spyware|author=Martin Brinkmann|date=8 September 2015|work=gHacks Technology News}}</ref>
Shedun-family malware is known for auto-[[Rooting (Android OS)|rooting the Android OS]] <ref name="auto"/><ref>{{cite web|url=http://techreport.com/news/29281/trojan-adware-on-android-can-give-itself-root-access|title=Trojan adware on Android can give itself root access|work=The Tech Report}}</ref> using well-known [[Exploit (computer security)|exploits]] like ExynosAbuse, Memexploit and Framaroot <ref>{{cite web|url=http://praxistipps.chip.de/shedun-shuanet-und-shiftybug-android-smartphone-vor-malware-schuetzen_44475|title=Shedun, Shuanet und Shiftybug: Android-Smartphone vor Malware schützen|publisher=}}</ref> (causing a potential [[privilege escalation]]<ref name="michaelmimoso"/><ref>{{cite web|url=http://blog.check-and-secure.com/android-nutzer-achtung-vor-trojaner-adware-shedun_15-11-25/|title=Android-Nutzer: Achtung vor Trojaner-Adware Shedun - Check & Secure -|work=- Check & Secure -}}</ref><ref>{{cite web|url=http://www.extremetech.com/mobile/217544-new-android-adware-tries-to-root-your-phone-so-you-cant-remove-it|title=New Android adware tries to root your phone so you can’t remove it|work=ExtremeTech}}</ref>)<ref>{{cite web|url=http://www.scmagazineuk.com/more-than-20000-apps-auto-root-android-devices/article/451797/|title=More than 20,000 apps auto-root Android devices|work=SC Magazine UK}}</ref> and for serving [[Trojan horse (computing)|trojanized]] [[adware]] and install themselves within the [[Partition (computers)|system partition]] of the [[operating system]], so that not even a [[factory reset]] can remove the malware from infected devices.<ref name="theregister.co.uk">{{cite web|url=http://www.theregister.co.uk/2015/11/20/shedun_adware/|title=Android's accessibility service grants god-mode p0wn power|publisher=}}</ref><ref>{{cite web|url=https://blog.lookout.com/blog/2015/11/19/shedun-trojanized-adware/ |title=Trojanized adware family abuses accessibility service to install whatever apps it wants &#124; Lookout Blog |website=Blog.lookout.com |date=2015-11-19 |accessdate=2016-04-10}}</ref>
Shedun-family malware is known for auto-[[Rooting (Android OS)|rooting the Android OS]] <ref name="auto"/><ref>{{cite web|url=http://techreport.com/news/29281/trojan-adware-on-android-can-give-itself-root-access|title=Trojan adware on Android can give itself root access|work=The Tech Report}}</ref> using well-known [[Exploit (computer security)|exploits]] like ExynosAbuse, Memexploit and Framaroot <ref>{{cite web|url=http://praxistipps.chip.de/shedun-shuanet-und-shiftybug-android-smartphone-vor-malware-schuetzen_44475|title=Shedun, Shuanet und Shiftybug: Android-Smartphone vor Malware schützen|publisher=}}</ref> (causing a potential [[privilege escalation]]<ref name="michaelmimoso"/><ref>{{cite web|url=http://blog.check-and-secure.com/android-nutzer-achtung-vor-trojaner-adware-shedun_15-11-25/|title=Android-Nutzer: Achtung vor Trojaner-Adware Shedun - Check & Secure -|work=- Check & Secure -}}</ref><ref>{{cite web|url=http://www.extremetech.com/mobile/217544-new-android-adware-tries-to-root-your-phone-so-you-cant-remove-it|title=New Android adware tries to root your phone so you can’t remove it|work=ExtremeTech}}</ref>)<ref>{{cite web|url=http://www.scmagazineuk.com/more-than-20000-apps-auto-root-android-devices/article/451797/|title=More than 20,000 apps auto-root Android devices|work=SC Magazine UK}}</ref> and for serving [[Trojan horse (computing)|trojanized]] [[adware]] and install themselves within the [[Partition (computers)|system partition]] of the [[operating system]], so that not even a [[factory reset]] can remove the malware from infected devices.<ref name="theregister.co.uk">{{cite web|url=https://www.theregister.co.uk/2015/11/20/shedun_adware/|title=Android's accessibility service grants god-mode p0wn power|publisher=}}</ref><ref>{{cite web|url=https://blog.lookout.com/blog/2015/11/19/shedun-trojanized-adware/ |title=Trojanized adware family abuses accessibility service to install whatever apps it wants &#124; Lookout Blog |website=Blog.lookout.com |date=2015-11-19 |accessdate=2016-04-10}}</ref>


Shedun malware is known for targeting the [[Android Accessibility Service]],<ref name="securityweek.com"/><ref name="theregister.co.uk"/><ref>{{cite web|url=http://www.theinquirer.net/inquirer/news/2435721/shedun-trojan-adware-is-hitting-the-android-accessibility-service|title=Shedun trojan adware is hitting the Android Accessibility Service|website=Theinquirer.net|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://securityaffairs.co/wordpress/42164/malware/shedun-trojanized-adware.html|title=Shedun adware can install any malicious mobile appSecurity Affairs|work=Security Affairs}}</ref><ref>{{cite av media|url=https://www.youtube.com/watch?v=VDWmEUm6mQM|title=Shedun gaining accessibility service privileges|date=18 November 2015|publisher=|via=YouTube}}</ref><ref>{{cite web|url=http://www.heise.de/security/meldung/Android-Malware-Werbeterror-wie-von-Geisterhand-3009688.html|title=Android-Malware: Werbeterror wie von Geisterhand|author=Dennis Schirrmacher|date=20 November 2015|work=Security}}</ref><ref>{{cite web|url=http://www.trojaner-info.de/news2/der-adware-trojaner-shedun.html|title=Der Adware – Trojaner Shedun|date=6 December 2015|work=trojaner-info.de}}</ref> as well as for downloading and installing arbitrary applications<ref>{{cite web|url=http://thehackernews.com/2015/11/android-malware-auto-install.html|title=This Malware Can Secretly Auto-Install any Android App to Your Phone|author=Swati Khandelwal|date=20 November 2015|work=The Hacker News}}</ref> (usually adware) without permission,<ref name="manishsingh"/> it is classified as "aggressive adware" for installing [[potentially unwanted program]] <ref>{{cite web|url=http://www.areamobile.de/news/35337-trojaner-adware-installiert-selbststaendig-ungewollte-android-apps|title=Trojaner-Adware installiert selbstständig ungewollte Android-Apps|website=Areamobile.de|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://androidmag.de/news/technik-news/shedun-neue-android-adware-installiert-apps-ohne-deine-einwilligung/|title=Shedun: Neue Android-Adware installiert Apps ohne deine Einwilligung|work=Androidmag}}</ref><ref>{{cite web|url=http://winfuture.de/news,89953.html|title=Installation auch nach Ablehnung: Neue dreiste Android-Adware|author=John Woll|publisher=}}</ref> applications and serving ads.<ref>{{cite web|url=http://en.yibada.com/articles/90437/20151201/android-shedun-malware.htm|title=Android Shedun Malware: New Malware That Can Grant Access to Your Phone; Malware Impossible To Be Removed?|work=Yibada}}</ref>
Shedun malware is known for targeting the [[Android Accessibility Service]],<ref name="securityweek.com"/><ref name="theregister.co.uk"/><ref>{{cite web|url=http://www.theinquirer.net/inquirer/news/2435721/shedun-trojan-adware-is-hitting-the-android-accessibility-service|title=Shedun trojan adware is hitting the Android Accessibility Service|website=Theinquirer.net|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://securityaffairs.co/wordpress/42164/malware/shedun-trojanized-adware.html|title=Shedun adware can install any malicious mobile appSecurity Affairs|work=Security Affairs}}</ref><ref>{{cite av media|url=https://www.youtube.com/watch?v=VDWmEUm6mQM|title=Shedun gaining accessibility service privileges|date=18 November 2015|publisher=|via=YouTube}}</ref><ref>{{cite web|url=http://www.heise.de/security/meldung/Android-Malware-Werbeterror-wie-von-Geisterhand-3009688.html|title=Android-Malware: Werbeterror wie von Geisterhand|author=Dennis Schirrmacher|date=20 November 2015|work=Security}}</ref><ref>{{cite web|url=http://www.trojaner-info.de/news2/der-adware-trojaner-shedun.html|title=Der Adware – Trojaner Shedun|date=6 December 2015|work=trojaner-info.de}}</ref> as well as for downloading and installing arbitrary applications<ref>{{cite web|url=http://thehackernews.com/2015/11/android-malware-auto-install.html|title=This Malware Can Secretly Auto-Install any Android App to Your Phone|author=Swati Khandelwal|date=20 November 2015|work=The Hacker News}}</ref> (usually adware) without permission,<ref name="manishsingh"/> it is classified as "aggressive adware" for installing [[potentially unwanted program]] <ref>{{cite web|url=http://www.areamobile.de/news/35337-trojaner-adware-installiert-selbststaendig-ungewollte-android-apps|title=Trojaner-Adware installiert selbstständig ungewollte Android-Apps|website=Areamobile.de|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://androidmag.de/news/technik-news/shedun-neue-android-adware-installiert-apps-ohne-deine-einwilligung/|title=Shedun: Neue Android-Adware installiert Apps ohne deine Einwilligung|work=Androidmag}}</ref><ref>{{cite web|url=http://winfuture.de/news,89953.html|title=Installation auch nach Ablehnung: Neue dreiste Android-Adware|author=John Woll|publisher=}}</ref> applications and serving ads.<ref>{{cite web|url=http://en.yibada.com/articles/90437/20151201/android-shedun-malware.htm|title=Android Shedun Malware: New Malware That Can Grant Access to Your Phone; Malware Impossible To Be Removed?|work=Yibada}}</ref>

Revision as of 18:44, 11 September 2017

Shedun is a family of malware software (also known as Kemoge, Shiftybug and Shuanet[1][2][3]) targeting the Android (operating system) first identified in late 2015 by mobile security company Lookout (company), affecting roughly 20,000[4] popular Android applications.[3][5][6][7][8][9] Lookout claimed the HummingBad malware was also a part of the Shedun family, however, these claims were refuted.[10][11]

Avira Protection Labs stated that Shedun family malware is detected to cause approximately 1500-2000 infections per day.[12] All three variants of the virus are known to share roughly ~80% of the same source code.[13][14]

In mid 2016, arstechnica reported that approximately 10.000.000 devices would be infected by this malware [15] and that new infections would still be surging.[16][17]

The malware's primary attack vector is repackaging legitimate Android applications (e.g. Facebook, Twitter, WhatsApp, Candy Crush, Google Now, Snapchat[18])[4][19][20] with adware included, the app which remains functional is then released to a third party app store;[21] once downloaded, the application generates revenue by serving ads (estimated to amount to $2 US per installation[20]), most users cannot get rid of the virus without getting a new device, as the only other way to get rid of the malware is to root affected devices and re-flash a custom ROM.[5][22][23]

In addition, Shedun-type malware has been detected pre-installed on 26 different types[24] of Chinese Android-based hardware such as Smartphones and Tablet computers.[25][26][27][28] [29][30][31][32][33][34][35][36][37][38][39]

Shedun-family malware is known for auto-rooting the Android OS [19][40] using well-known exploits like ExynosAbuse, Memexploit and Framaroot [41] (causing a potential privilege escalation[20][42][43])[44] and for serving trojanized adware and install themselves within the system partition of the operating system, so that not even a factory reset can remove the malware from infected devices.[45][46]

Shedun malware is known for targeting the Android Accessibility Service,[2][45][47][48][49][50][51] as well as for downloading and installing arbitrary applications[52] (usually adware) without permission,[3] it is classified as "aggressive adware" for installing potentially unwanted program [53][54][55] applications and serving ads.[56]

As of April 2016, Shedun malware is, by most security researchers, considered to be next to impossible to remove entirely.[57][58][59][60][61][62]

Avira Security researcher Pavel Ponomariov, specialized in Android malware detection tools, mobile threats detection and mobile malware detection automation research,[63] has published an in-depth analysis of the computer virus.[12]

See also

References

  1. ^ by @HackTheW0r1d (5 November 2015). "Shuanet, ShiftyBug and Shedun malware could auto-root your Android – HackBails". Hackbails.wordpress.com. Retrieved 2 October 2016.{{cite web}}: CS1 maint: numeric names: authors list (link)
  2. ^ a b "Android Adware Abuses Accessibility Service to Install Apps". SecurityWeek.com. Retrieved 20 April 2016.
  3. ^ a b c Manish Singh. "New Android Adware Can Download, Install Apps Without Permission: Report". NDTV Gadgets360.com.
  4. ^ a b "Three new malware strains infect 20k apps, impossible to wipe, only affect Android". AppleInsider Forums.
  5. ^ a b "Hackers reveal Android trojan malware that is IMPOSSIBLE to remove". Mail Online. 5 November 2015.
  6. ^ Eran, Daniel (5 November 2015). "Three new malware strains infect 20k apps, impossible to wipe, only affect Android". Appleinsider.com. Retrieved 2 October 2016.
  7. ^ "Android Malware On The Loose: Shuanet, ShiftyBug And Shedun Signatures Found On 20,000 Apps Outside Google Play Store". Droid Report.
  8. ^ "Shedun Trojan goes solo". Darkmatters.
  9. ^ "Popular Mobile Apps Repackaged with Trojans". Lavasoft. 4 November 2015. Retrieved 2 October 2016.
  10. ^ "Another month, another new rooting malware family for Android". blog.elevenpaths.com. Retrieved 9 October 2016.
  11. ^ "DIY Attribution, Classification, and In-depth Analysis of Mobile Malware". Check Point Blog. 11 July 2016. Retrieved 9 October 2016.
  12. ^ a b "Shedun: adware/malware family threatening your Android device". Avira Blog.
  13. ^ "Neue Welle von Android-Malware lässt sich kaum mehr entfernen". Elektronikpraxis.vogel.de. Retrieved 20 April 2016.
  14. ^ PMK Presse, Messe & Kongresse Verlags GmbH. "Gemeinsamkeiten: Shuanet, Shedun & ShiftyBug". Itseccity.de. Retrieved 20 April 2016.
  15. ^ Dan Goodin - Jul 7, 2016 5:50 pm UTC (7 July 2016). "10 million Android phones infected by all-powerful auto-rooting apps". Ars Technica. Retrieved 2 October 2016.{{cite web}}: CS1 maint: numeric names: authors list (link)
  16. ^ "Android Trojanized Adware 'Shedun' Infections Surge". Bankinfosecurity.com. 8 July 2016. Retrieved 2 October 2016.
  17. ^ https://www.linkedin.com/pulse/android-trojanized-adware-shedun-infections-surge-mike-rogan
  18. ^ "Android-Malware: Adware war gestern. Android-Trojaner auf dem Vormarsch". botfrei Blog.
  19. ^ a b "New type of auto-rooting Android adware is nearly impossible to remove". Ars Technica.
  20. ^ a b c Michael Mimoso. "Shuanet Adware Roots Android Devices - Threatpost - The first stop for security news". Threatpost - The first stop for security news.
  21. ^ "Adware Shedun nistet sich gegen den Willen der Nutzer in Android ein". ITespresso.de.
  22. ^ "Android Trojan Software Morphs Into Real Apps, Nearly Impossible To Remove From Device's System: Report". Yibada.
  23. ^ "Android-Malware: Neue Schadsoftware rootet Geräte und ist kaum zu entfernen - Golem.de".
  24. ^ Swati Khandelwal (3 September 2015). "26 Android Phone Models Shipped with Pre-Installed Spyware". The Hacker News.
  25. ^ "G Data : Mobile Malware Report" (PDF). Public.gdatasoftware.com. Retrieved 20 April 2016.
  26. ^ Catalin Cimpanu (4 September 2015). "24 Chinese Android Smartphone Models Come with Pre-Installed Malware". softpedia.
  27. ^ David Gilbert. "Amazon Selling $40 Android Tablets That Come With Pre-Installed Malware". International Business Times.
  28. ^ "Chinese smartphones infected with pre-installed malwareSecurity Affairs". Security Affairs.
  29. ^ "Chinese Android smartphones now shipping with pre-installed malware". SC Magazine.
  30. ^ Diane Samson. "Malware Found Pre-Installed on Xiaomi, Huawei, Lenovo Phones". iDigitalTimes.com.
  31. ^ "Amazon's $40 Chinese Android Tablets Infected With Pre-Installed Malware". Design & Trend.
  32. ^ Jeremy Kirk (5 March 2014). "Pre-installed malware found on new Android phones". Computerworld.
  33. ^ "G Data : Mobile Malware Report" (PDF). Public.gdatasoftware.com. Retrieved 20 April 2016.
  34. ^ Waqas. "Amazon Store, a safe haven for Android Tablets with pre-installed malware". HackRead.
  35. ^ "Pre-Installed Android Malware Raises Security Risks in Supply Chain".
  36. ^ "Some Android Phones Come With Malware Pre-Installed: Report". The Huffington Post.
  37. ^ "Brand New Android Smartphones Coming with Spyware and Malware". WCCFtech.
  38. ^ "Chinese Android smartphone comes with malware pre-installed". Graham Cluley.
  39. ^ Martin Brinkmann (8 September 2015). "Beware, your Android phone might come with preloaded spyware". gHacks Technology News.
  40. ^ "Trojan adware on Android can give itself root access". The Tech Report.
  41. ^ "Shedun, Shuanet und Shiftybug: Android-Smartphone vor Malware schützen".
  42. ^ "Android-Nutzer: Achtung vor Trojaner-Adware Shedun - Check & Secure -". - Check & Secure -.
  43. ^ "New Android adware tries to root your phone so you can't remove it". ExtremeTech.
  44. ^ "More than 20,000 apps auto-root Android devices". SC Magazine UK.
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