When launched, Android.SmsSend.471.origin notifies the user that updating has been cancelled because the current OS version is not supported. After that the malware removes its icon from the home screen to hide its presence in the system, contacts a remote server and awaits commands from intruders.

Upon a command from the server, the program can perform the following actions:

Change the control server address.
Apply filters to intercept and remove inbound SMS.
Send an SMS to a specified number with a specified text.
Run an HTTP query.
Use a specified link to download an application and install it.
Remove a specified application.
Display a message.
Open a specified URL in the browser.
Send all the contact information found in the phone book to the remote server.
Send a list of installed applications to the server.
Call a specified number.

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.

Technologies

Terminology

Training and education

Myths

Android.SmsSend.471.origin

Curing recommendations

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