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Trojan.DownLoader35.7969
Added to the Dr.Web virus database:
2020-10-27
Virus description added:
2020-10-28
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Bomgar_Cleanup_ZD12035634111' = 'cmd.exe /C rd /S /Q "%TEMP%\nsxD27D.tmpb" & reg.exe delete HKCU\Software\Microsoft\Windows\CurrentVersio...
Modifies file system
Creates the following files
Deletes the following files
%TEMP%\nsxd27d.tmp\system.dll
%TEMP%\nsxd27d.tmpb\scc-attach-hovered.png
%TEMP%\nsxd27d.tmpb\scc-attach.png
%TEMP%\nsxd27d.tmpb\scc-chat-flash.png
%TEMP%\nsxd27d.tmpb\scc-chat-hovered.png
%TEMP%\nsxd27d.tmpb\scc-chat.png
%TEMP%\nsxd27d.tmpb\scc-fontsize-hovered.png
%TEMP%\nsxd27d.tmpb\scc-fontsize.png
%TEMP%\nsxd27d.tmpb\server.lic
%TEMP%\nsxd27d.tmpb\button_cb_survey.png
%TEMP%\nsxd27d.tmpb\settings-cc.ini
%TEMP%\nsxd27d.tmpb\settings.ini
%TEMP%\nsxd27d.tmpb\spinner.exe
%TEMP%\nsxd27d.tmpb\start-cb-hook.bat
%TEMP%\nsxd27d.tmpb\startup_animation_1.bmp
%TEMP%\nsxd27d.tmpb\startup_animation_2.bmp
%TEMP%\nsxd27d.tmpb\startup_animation_3.bmp
%TEMP%\nsxd27d.tmpb\startup_animation_4.bmp
%TEMP%\nsxd27d.tmpb\startup_animation_5.bmp
%TEMP%\nsxd27d.tmpb\remove.exe
%TEMP%\nsxd27d.tmpb\sas.dll
%TEMP%\nsxd27d.tmpb\preload-en-us.rdf
%TEMP%\nsxd27d.tmpb\pinuninstall.bat
%TEMP%\nsxd27d.tmpb\nudge.wav
%TEMP%\nsxd27d.tmpb\bc-status-alert.png
%TEMP%\nsxd27d.tmpb\bc-status-info.png
%TEMP%\nsxd27d.tmpb\bc-status-success.png
%TEMP%\nsxd27d.tmpb\bc-status-warn.png
%TEMP%\nsxd27d.tmpb\bc-typing.png
%TEMP%\nsxd27d.tmpb\bf13227e-b446-4e12-913e-7e5fbbee54f6
%TEMP%\nsxd27d.tmpb\bomgar-scc.exe
%TEMP%\nsxd27d.tmpb\button_cb_access_key.png
%TEMP%\nsxd27d.tmpb\stop-cb-hook.bat.template
%TEMP%\nsxd27d.tmpb\settings-init.ini
%TEMP%\nsxd27d.tmpb\button_cb_private.png
%TEMP%\nsxd27d.tmpb\cbhook-x64.dll
%TEMP%\nsxd27d.tmpb\cbhook-x86.dll
%TEMP%\nsxd27d.tmpb\cp.dll
%TEMP%\nsxd27d.tmpb\embedhook-x64.exe
%TEMP%\nsxd27d.tmpb\embedhook-x86.exe
%TEMP%\nsxd27d.tmpb\icon_exclamation.png
%TEMP%\nsxd27d.tmpb\indicator_pinned_connected.png
%TEMP%\nsxd27d.tmpb\indicator_pinned_disconnected.png
%TEMP%\nsxd27d.tmpb\app_icon.png
%TEMP%\nsxd27d.tmpb\button_cb_team.png
%TEMP%\nsxd27d.tmpb\uninstall.bat
Moves the following files
from %TEMP%\nsxd27d.tmpb\settings-cc.ini24903 to %TEMP%\nsxd27d.tmpb\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini12358 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini12338 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini1930 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini20796 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini16090 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini27636 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini12712 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini29423 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini32429 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini23798 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini24330 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini26560 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings-init.ini to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini20089 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini22547 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini23829 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini18646 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini5100 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini14865 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini31046 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini30923 to %TEMP%\nsxd27d.tmpb\settings.ini
from %TEMP%\nsxd27d.tmpb\settings.ini27111 to %TEMP%\nsxd27d.tmpb\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini15034 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini30743 to %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\settings.ini
Deletes itself.
Network activity
TCP
HTTP GET requests
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
UDP
Miscellaneous
Creates and executes the following
'%TEMP%\nsxd27d.tmpb\bomgar-scc.exe' "<Full path to file>" -install1 "<Full path to file>" --installer-pwd "<Current directory>"
'%TEMP%\nsxd27d.tmpspinner-$spin_instance\spinner.exe' --instance-id $SPIN_INSTANCE --icofile $SPIN_ICON
'%ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\bomgar-scc.exe' <Full path to file> -install2 <Full path to file> %TEMP%\nsxD27D.tmpb\ %ALLUSERSPROFILE%\bomgar-scc-0x5f977e8b\ --installer-pwd <Current directory>
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\nsxD27D.tmpspinner-$SPIN_INSTANCE\start.cmd" "' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\nsxD27D.tmpspinner-$SPIN_INSTANCE\start.cmd" "
Curing recommendations
Windows
macOS
Linux
Android
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
Find out more about Dr.Web for Android
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