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Trojan.DownLoader36.19930
Added to the Dr.Web virus database:
2020-12-01
Virus description added:
2020-12-02
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Bomgar_Cleanup_ZD120637126587' = 'cmd.exe /C rd /S /Q "%TEMP%\nsrE58F.tmpb" & reg.exe delete HKCU\Software\Microsoft\Windows\CurrentVersi...
Modifies file system
Creates the following files
Deletes the following files
%TEMP%\nsre58f.tmp\system.dll
%TEMP%\nsre58f.tmpb\scc-attach-hovered.png
%TEMP%\nsre58f.tmpb\scc-attach.png
%TEMP%\nsre58f.tmpb\scc-chat-flash.png
%TEMP%\nsre58f.tmpb\scc-chat-hovered.png
%TEMP%\nsre58f.tmpb\scc-chat.png
%TEMP%\nsre58f.tmpb\scc-fontsize-hovered.png
%TEMP%\nsre58f.tmpb\scc-fontsize.png
%TEMP%\nsre58f.tmpb\server.lic
%TEMP%\nsre58f.tmpb\button_cb_survey.png
%TEMP%\nsre58f.tmpb\settings-cc.ini
%TEMP%\nsre58f.tmpb\settings.ini
%TEMP%\nsre58f.tmpb\spinner.exe
%TEMP%\nsre58f.tmpb\start-cb-hook.bat
%TEMP%\nsre58f.tmpb\startup_animation_1.bmp
%TEMP%\nsre58f.tmpb\startup_animation_2.bmp
%TEMP%\nsre58f.tmpb\startup_animation_3.bmp
%TEMP%\nsre58f.tmpb\startup_animation_4.bmp
%TEMP%\nsre58f.tmpb\startup_animation_5.bmp
%TEMP%\nsre58f.tmpb\remove.exe
%TEMP%\nsre58f.tmpb\sas.dll
%TEMP%\nsre58f.tmpb\preload-en-us.rdf
%TEMP%\nsre58f.tmpb\pinuninstall.bat
%TEMP%\nsre58f.tmpb\nudge.wav
%TEMP%\nsre58f.tmpb\bc-status-alert.png
%TEMP%\nsre58f.tmpb\bc-status-info.png
%TEMP%\nsre58f.tmpb\bc-status-success.png
%TEMP%\nsre58f.tmpb\bc-status-warn.png
%TEMP%\nsre58f.tmpb\bc-typing.png
%TEMP%\nsre58f.tmpb\bf13227e-b446-4e12-913e-7e5fbbee54f6
%TEMP%\nsre58f.tmpb\bomgar-scc.exe
%TEMP%\nsre58f.tmpb\button_cb_access_key.png
%TEMP%\nsre58f.tmpb\stop-cb-hook.bat.template
%TEMP%\nsre58f.tmpb\settings-init.ini
%TEMP%\nsre58f.tmpb\button_cb_private.png
%TEMP%\nsre58f.tmpb\cbhook-x64.dll
%TEMP%\nsre58f.tmpb\cbhook-x86.dll
%TEMP%\nsre58f.tmpb\cp.dll
%TEMP%\nsre58f.tmpb\embedhook-x64.exe
%TEMP%\nsre58f.tmpb\embedhook-x86.exe
%TEMP%\nsre58f.tmpb\icon_exclamation.png
%TEMP%\nsre58f.tmpb\indicator_pinned_connected.png
%TEMP%\nsre58f.tmpb\indicator_pinned_disconnected.png
%TEMP%\nsre58f.tmpb\app_icon.png
%TEMP%\nsre58f.tmpb\button_cb_team.png
%TEMP%\nsre58f.tmpb\uninstall.bat
Moves the following files
from %TEMP%\nsre58f.tmpb\settings-cc.ini27164 to %TEMP%\nsre58f.tmpb\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini23440 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini6458 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini30408 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini7217 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini19179 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini12240 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini32435 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini7435 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini15645 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini2277 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini13714 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-cc.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini15654 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings-init.ini to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini11466 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini32220 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini31331 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini26783 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini14129 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini28939 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini11841 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini20223 to %TEMP%\nsre58f.tmpb\settings.ini
from %TEMP%\nsre58f.tmpb\settings.ini29735 to %TEMP%\nsre58f.tmpb\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini17959 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini
from %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\settings.ini19567 to %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\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%\nsre58f.tmpb\bomgar-scc.exe' "<Full path to file>" -install1 "<Full path to file>" --installer-pwd "<Current directory>"
'%TEMP%\nsre58f.tmpspinner-$spin_instance\spinner.exe' --instance-id $SPIN_INSTANCE --icofile $SPIN_ICON
'%ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\bomgar-scc.exe' <Full path to file> -install2 <Full path to file> %TEMP%\nsrE58F.tmpb\ %ALLUSERSPROFILE%\bomgar-scc-0x5fc5e82c\ --installer-pwd <Current directory>
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\nsrE58F.tmpspinner-$SPIN_INSTANCE\start.cmd" "' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\nsrE58F.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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