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Android.Hidden.6094
Added to the Dr.Web virus database:
2018-09-14
Virus description added:
2018-09-15
Technical information
Malicious functions:
Removes its shortcut from the home screen.
Network activity:
Connecting to:
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) voltro####.com:80
TCP(TLS/1.0) 1####.217.17.46:443
TCP(TLS/1.0) sett####.crashly####.com:443
TCP(TLS/1.0) re####.appmet####.ya####.net:443
TCP(TLS/1.0) sta####.mo####.ya####.net:443
DNS requests:
re####.appmet####.ya####.net
sett####.crashly####.com
sta####.mo####.ya####.net
voltro####.com
HTTP POST requests:
voltro####.com/api/register
Modified file system:
Creates the following files:
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64BeginSession.cls_temp
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64BeginSession.json
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionApp.cls_temp
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionApp.json
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionDevice.cls_temp
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionDevice.json
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionOS.cls_temp
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionOS.json
/data/data/####/5B9C099F0348-0001-0825-7CEE838A5C64SessionUser.cls_temp
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64BeginSession.cls_temp
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64BeginSession.json
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionApp.cls_temp
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionApp.json
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionDevice.cls_temp
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionDevice.json
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionOS.cls_temp
/data/data/####/5B9C09A0027C-0001-0848-7CEE838A5C64SessionOS.json
/data/data/####/TwitterAdvertisingInfoPreferences.xml
/data/data/####/androidx.work.util.id.xml
/data/data/####/androidx.work.workdb-journal
/data/data/####/com.crashlytics.prefs.xml
/data/data/####/com.crashlytics.sdk.android;answers;settings.xml
/data/data/####/com.crashlytics.settings.json
/data/data/####/com.yandex.metrica.configuration.xml
/data/data/####/credentials.dat
/data/data/####/db_metrica_ru.ok.android-journal
/data/data/####/db_metrica_ru.ok.android_20799a27-fa80-4b36-b2d...ournal
/data/data/####/initialization_marker
/data/data/####/io.fabric.sdk.android;fabric;a.a.a.a.m.xml
/data/data/####/metrica_client_data.db
/data/data/####/metrica_client_data.db-journal
/data/data/####/metrica_client_data.db.lock
/data/data/####/metrica_data.db-journal
/data/data/####/ru.ok.android_boundentrypreferences.xml
/data/data/####/ru.ok.android_migrationpreferences.xml
/data/data/####/ru.ok.android_servertimeoffset.xml
/data/data/####/ru.ok.android_startupserviceinfopreferences.xml
/data/data/####/session_analytics.tap.tmp
/data/data/####/settings.xml
Miscellaneous:
Loads the following dynamic libraries:
YandexMetricaNativeModule
Uses the following algorithms to encrypt data:
AES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding
Uses the following algorithms to decrypt data:
Uses administrator priveleges.
Gains access to geolocation.
Adds tasks to the system scheduler.
Curing recommendations
Android
If the mobile device is operating normally, download and install Dr.Web for Android Light . Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web для Android Light onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
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