Android.BackDoor.44 is an executable UNIX file designed to run on Android mobile devices. It is incorporated into Android.Backdoor.260.origin as an additional module.
PLI, PDL, SDA—update malicious modules and settings
DIR—get the list of files residing in the specified folder
DTK—write the contents of the specified folder into a file
OSC, STK—run a search for the specified file of folder
OSF—abort the search of the specified file
DEL—delete the specified file
SCP—take a screenshot
BGS—activate the microphone and start recording
GPRS—start tracking GPS coordinates
While some commands are executed by Android.BackDoor.44 on its own, other commands are carried out with the help of other malicious libraries incorporated into Android.Backdoor.260.origin. The libraries communicate with each other through UNIX sockets.
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;