'''Shedun''' adalah nama dari keluarga [[virus ponsel]] (dikenal juga dengan Kemoge, Shiftybug, dan Shuanet<ref>{{cite web|url=https://hackbails.wordpress.com/2015/11/05/trojanized-adware-already-infected-more-than-20000-android-apps/|title=Shuanet, ShiftyBug and Shedun malware could auto-root your Android – HackBails|date=2015-11-05|publisher=Hackbails.wordpress.com|accessdate=2016-10-02|author=by @HackTheW0r1d}}</ref><ref name="securityweek.com">{{cite web|url=http://www.securityweek.com/android-adware-abuses-accessibility-service-install-apps|title=Android Adware Abuses Accessibility Service to Install Apps|website=SecurityWeek.com|accessdate=2016-04-20}}</ref><ref name="manishsinghmanishsingh3">{{cite web|url=http://gadgets.ndtv.com/apps/news/new-android-adware-can-download-install-apps-without-permission-report-768664|title=New Android Adware Can Download, Install Apps Without Permission: Report|work=NDTV Gadgets360.com|author=Manish Singh}}</ref>) yang menyasar sistem berbasis [[Android (sistem operasi)|Android]]. Aksi Shedun terungkap pada 2015 oleh perusahaan keamanan ponsel Lookout, dan diperkirakan menginfeksi 20.000<ref name="appleinsider.comcom2">{{cite web|url=http://forums.appleinsider.com/discussion/189949/three-new-malware-strains-infect-20k-apps-impossible-to-wipe-only-affect-android|title=Three new malware strains infect 20k apps, impossible to wipe, only affect Android|work=AppleInsider Forums}}</ref> aplikasi populer Android.<ref name="manishsingh2manishsingh3">{{cite web|url=http://gadgets.ndtv.com/apps/news/new-android-adware-can-download-install-apps-without-permission-report-768664|title=New Android Adware Can Download, Install Apps Without Permission: Report|work=NDTV Gadgets360.com|author=Manish Singh}}</ref><ref name="dailymail.co.ukuk2">{{cite web|url=http://www.dailymail.co.uk/sciencetech/article-3306142/Hackers-reveal-Android-malware-IMPOSSIBLE-remove-Malicious-bug-20-000-apps.html|title=Hackers reveal Android trojan malware that is IMPOSSIBLE to remove|date=5 November 2015|work=Mail Online}}</ref><ref>{{cite web|url=http://appleinsider.com/articles/15/11/05/three-new-malware-strains-infect-20k-apps-impossible-to-wipe-only-affect-android|title=Three new malware strains infect 20k apps, impossible to wipe, only affect Android|last=Eran|first=Daniel|date=2015-11-05|publisher=Appleinsider.com|accessdate=2016-10-02}}</ref><ref>{{cite web|url=http://www.droidreport.com/articles/2516/20151110/android-malware-loose-shuanet-shiftybug-shedun-signatures-found-20000-apps-outside-google.htm|title=Android Malware On The Loose: Shuanet, ShiftyBug And Shedun Signatures Found On 20,000 Apps Outside Google Play Store|last=|first=|date=|work=Droid Report|archive-url=|archive-date=|dead-url=|access-date=}}</ref><ref>{{cite web|url=http://darkmatters.norsecorp.com/2015/11/20/shedun/|title=Shedun Trojan goes solo|work=Darkmatters}}</ref><ref>{{cite web|url=http://lavasoft.com/mylavasoft/company/blog/popular-mobile-apps-repackaged-with-trojans|title=Popular Mobile Apps Repackaged with Trojans|date=2015-11-04|publisher=Lavasoft|accessdate=2016-10-02}}</ref>
Avira Protection Labs menyatakan bahwa keluarga Shedun menginfeksi 1.500-20.000 ponsel per hari.<ref name="avira.com">{{cite web|url=http://blog.avira.com/shedun/|title=Shedun: adware/malware family threatening your Android device|work=Avira Blog}}</ref> Semua varian dari keluarga Sheldun memiliki kesamaan kode sumber sekitar 80%.<ref>{{cite web|url=http://www.elektronikpraxis.vogel.de/iot/security/articles/510900/|title=Neue Welle von Android-Malware lässt sich kaum mehr entfernen|website=Elektronikpraxis.vogel.de|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://www.itseccity.de/virenwarnung/hintergrund/lookout021215.html|title=Gemeinsamkeiten: Shuanet, Shedun & ShiftyBug|website=Itseccity.de|accessdate=2016-04-20|author=PMK Presse, Messe & Kongresse Verlags GmbH}}</ref>
Aksi Shedun dimulai dengan "membungkus kembali" aplikasi Android asli (seperti [[Facebook]], [[Twitter]], [[WhatsApp]], [[Candy Crush Saga|Candy Crush]], [[Google Now]], dan [[Snapchat]]<ref>{{cite web|url=https://blog.botfrei.de/2015/11/android-trojaner-auf-dem-vormarsch/|title=Android-Malware: Adware war gestern. Android-Trojaner auf dem Vormarsch.|work=botfrei Blog}}</ref>)<ref name="appleinsider.com2">{{cite web|url=http://forums.appleinsider.com/discussion/189949/three-new-malware-strains-infect-20k-apps-impossible-to-wipe-only-affect-android|title=Three new malware strains infect 20k apps, impossible to wipe, only affect Android|work=AppleInsider Forums}}</ref><ref name="autoauto2">{{cite web|url=https://arstechnica.com/security/2015/11/new-type-of-auto-rooting-android-adware-is-nearly-impossible-to-remove/|title=New type of auto-rooting Android adware is nearly impossible to remove|work=Ars Technica}}</ref><ref name="michaelmimosomichaelmimoso2">{{cite web|url=https://threatpost.com/shuanet-adware-rooting-android-devices-via-trojanized-apps/115265/|title=Shuanet Adware Roots Android Devices - Threatpost - The first stop for security news|work=Threatpost - The first stop for security news|author=Michael Mimoso}}</ref> dengan ditambah ''adware'', kemudian diedarkan melalui situs unduhan aplikasi pihak ketiga.<ref>{{cite web|url=http://www.itespresso.de/2015/11/23/shedun-adware-nistet-sich-gegen-den-willen-der-nutzer-in-android-ein/|title=Adware Shedun nistet sich gegen den Willen der Nutzer in Android ein|work=ITespresso.de}}</ref> Ketika diunduh dan dipasang oleh korbannya, aplikasi-aplikasi tersebut tetap berjalan seperti biasa, tetapi korban mengeluhkan munculnya iklan mengganggu (laba dari iklan tersebut mencapai $2 per pemasangan<ref name="michaelmimoso2">{{cite web|url=https://threatpost.com/shuanet-adware-rooting-android-devices-via-trojanized-apps/115265/|title=Shuanet Adware Roots Android Devices - Threatpost - The first stop for security news|work=Threatpost - The first stop for security news|author=Michael Mimoso}}</ref>). Malware ini bercokol sedemikian kuat, hingga jalan satu-satunya adalah me-[[Root (Android)|root]] ponsel korban dan memasang kembali ROM pabrik.<ref name="dailymail.co.uk2">{{cite web|url=http://www.dailymail.co.uk/sciencetech/article-3306142/Hackers-reveal-Android-malware-IMPOSSIBLE-remove-Malicious-bug-20-000-apps.html|title=Hackers reveal Android trojan malware that is IMPOSSIBLE to remove|date=5 November 2015|work=Mail Online}}</ref><ref>{{cite web|url=http://en.yibada.com/articles/82763/20151108/android-trojan-software-morphs-real-apps-nearly-impossible-remove-device.htm|title=Android Trojan Software Morphs Into Real Apps, Nearly Impossible To Remove From Device’s System: Report|work=Yibada}}</ref><ref>{{cite web|url=http://www.golem.de/news/android-malware-schadsoftware-rootet-und-infiziert-geraete-unwiederbringlich-1511-117307.html|title=Android-Malware: Neue Schadsoftware rootet Geräte und ist kaum zu entfernen - Golem.de|publisher=}}</ref>
Malware ini terdeteksi pada 26 tipe<ref>{{cite web|url=http://thehackernews.com/2015/09/android-smartphone-malware.html|title=26 Android Phone Models Shipped with Pre-Installed Spyware|date=3 September 2015|work=The Hacker News|author=Swati Khandelwal}}</ref> perangkat keras berbasis Android baru yang dibuat di [[Republik Rakyat Tiongkok|Tiongkok]], seperti ponsel pintar dan tablet.<ref>{{cite web|url=https://public.gdatasoftware.com/Presse/Publikationen/Malware_Reports/G_DATA_MobileMWR_Q2_2015_US.pdf|title=G Data : Mobile Malware Report|website=Public.gdatasoftware.com|format=PDF|accessdate=2016-04-20}}</ref><ref>{{cite web|url=http://news.softpedia.com/news/24-chinese-android-smartphones-models-come-with-pre-installed-malware-490930.shtml|title=24 Chinese Android Smartphone Models Come with Pre-Installed Malware|date=4 September 2015|work=softpedia|author=Catalin Cimpanu}}</ref><ref>{{cite web|url=http://www.ibtimes.com/amazon-selling-40-android-tablets-come-pre-installed-malware-2181424|title=Amazon Selling $40 Android Tablets That Come With Pre-Installed Malware|work=International Business Times|author=David Gilbert}}</ref><ref>{{cite web|url=http://securityaffairs.co/wordpress/39821/hacking/chinese-smartphones-pre-installed-malware.html|title=Chinese smartphones infected with pre-installed malwareSecurity Affairs|work=Security Affairs}}</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|work=iDigitalTimes.com|author=Diane Samson}}</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|date=5 March 2014|work=Computerworld|author=Jeremy Kirk}}</ref><ref>{{cite web|url=https://public.gdatasoftware.com/Presse/Publikationen/Malware_Reports/G_DATA_MobileMWR_Q2_2015_EN.pdf|title=G Data : Mobile Malware Report|website=Public.gdatasoftware.com|format=PDF|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|work=HackRead|author=Waqas}}</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|date=8 September 2015|work=gHacks Technology News|author=Martin Brinkmann}}</ref>
Keluarga ''malware'' ini juga diketahui memiliki kemampuan auto-root <ref name="auto2">{{cite web|url=https://arstechnica.com/security/2015/11/new-type-of-auto-rooting-android-adware-is-nearly-impossible-to-remove/|title=New type of auto-rooting Android adware is nearly impossible to remove|work=Ars Technica}}</ref><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> menggunakan celah keamanan seperti ExynosAbuse, Memexploit, dan 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> dan memasang dirinya sendiri sebagai aplikasi sistem dan membuat salinan dirinya di partisi sistem, sehingga "setel ulang ke pabrikan" tidak dapat mengatasi malware ini.<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 | Lookout Blog|date=2015-11-19|website=Blog.lookout.com|accessdate=2016-04-10}}</ref>
Keluarga ''malware'' ini seringkalisering kali memasang aplikasi adware lain tanpa seizin korbannya,<ref name="manishsingh3">{{cite web|url=http://gadgets.ndtv.com/apps/news/new-android-adware-can-download-install-apps-without-permission-report-768664|title=New Android Adware Can Download, Install Apps Without Permission: Report|work=NDTV Gadgets360.com|author=Manish Singh}}</ref> sehingga diklasifikasikan sebagai "''adware'' agresif" karena sering memasang "aplikasi yang tak diinginkan"<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|publisher=|author=John Woll}}</ref> sekaligus membombardir ponsel korban dengan iklan.<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>
== Catatan kaki ==
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