Trojan.DownLoader34.55158

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\LiveLet_2156] 'ImagePath' = '%TEMP%\livecare\LiveLet.exe -unified -runassys -pid 2156'

Creates the following services

'LiveLet_2156' %TEMP%\livecare\LiveLet.exe -unified -runassys -pid 2156

Modifies file system

Creates the following files

%TEMP%\nsw6f37.tmp
%ALLUSERSPROFILE%\livecare\service\release
%ALLUSERSPROFILE%\livecare\service\livecareservicelivelet.exe
%ALLUSERSPROFILE%\livecare\service\livecareelevator.exe
%TEMP%\nsw7d3b.tmp
%TEMP%\livecare\lcareview\release
%TEMP%\livecare\lcareview\ishview.exe
%TEMP%\nsg7a1f.tmp
%ALLUSERSPROFILE%\livecare\lcaresrv\release
%ALLUSERSPROFILE%\livecare\lcaresrv\ishooks64.dll
%ALLUSERSPROFILE%\livecare\lcaresrv\ishooks64.exe
%TEMP%\nsb7743.tmp\system.dll
%ALLUSERSPROFILE%\livecare\lcaresrv\sas.exe
%ALLUSERSPROFILE%\livecare\lcaresrv\ctlpanel.exe
%ALLUSERSPROFILE%\livecare\lcaresrv\ishsrvp2p.exe
%ALLUSERSPROFILE%\livecare\lcaresrv\ishsrv.exe
%ALLUSERSPROFILE%\livecare\lcaresrv\ishooks.dll
%TEMP%\nsm74c3.tmp
%TEMP%\livecare\release
%TEMP%\livecare\livecare_service.exe
%TEMP%\livecare\livecare_demo.exe
%TEMP%\livecare\livecare_assistance.exe
%TEMP%\livecare\lvcutility.exe
%TEMP%\livecare\icon.ico
%TEMP%\livecare\logo.bmp
%TEMP%\livecare\livelet.ini
%TEMP%\livecare\livelet.exe
%TEMP%\nsm6f48.tmp\system.dll
%TEMP%\livelet.log
%APPDATA%\livecare\livelet.ini

Deletes the following files

%TEMP%\nsb7743.tmp\system.dll
%TEMP%\nsm6f48.tmp\system.dll
%TEMP%\livecare\livelet.ini

Moves the following files

from %TEMP%\livecare\icon.ico to %TEMP%\livecare\icon.ico.custom
from %TEMP%\livecare\logo.bmp to %TEMP%\livecare\logo.bmp.custom

Network activity

TCP

HTTP POST requests

http://lo###.livecare.net/llogin/index.php/livelet/setup-livelet-ident/

UDP

DNS ASK lo###.livecare.net

Miscellaneous

Creates and executes the following

'%TEMP%\livecare\livecare_assistance.exe' -u
'%TEMP%\livecare\livecare_demo.exe'
'%TEMP%\livecare\livecare_service.exe' -u
'%TEMP%\livecare\livelet.exe' -unified
'%TEMP%\livecare\livelet.exe' -unified -runassys -pid 2156
'%TEMP%\livecare\livelet.exe' -unified -pid 2156

Curing recommendations

If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.

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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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If the mobile device is operating normally, download and install Dr.Web for Android. 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 for Android 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.

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