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Trojan.DownLoader36.19220
Added to the Dr.Web virus database:
2020-11-30
Virus description added:
2020-12-02
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Classes\ms-settings\shell\open\command] '' = ''
Malicious functions
Executes the following
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Venom-ngrok" dir=in action=allow program="%APPDATA%\Venom\Venom-ngrok.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\Venom-winvnc.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\rdpinstall.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\ngrok.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\winvnc.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Windows Folder" dir=in action=allow program="%APPDATA%\Venom\autoupdate1.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Windows Service" dir=in action=allow program="%APPDATA%\Venom\autoupdate2.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Windows Task" dir=in action=allow program="%APPDATA%\Venom\update.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Windows" dir=in action=allow program="%APPDATA%\Venom\venom_nkrok.exe" enable=yes
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Windows System" dir=in action=allow program="%APPDATA%\venom\nkrok.exe" enable=yes
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
Network activity
TCP
HTTP GET requests
'ha###bin.com':443
'pa###bin.com':443
'mi##ic.net':443
UDP
DNS ASK ha###bin.com
DNS ASK ip##pi.com
DNS ASK pa###bin.com
DNS ASK mi##ic.net
Miscellaneous
Creates and executes the following
'%WINDIR%\syswow64\cmd.exe' /c timeout 4' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Service" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Service" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows task" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows task" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Update" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Update" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Chrome" -Direction Outbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Chrome" -Direction Inbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Google" -Direction Outbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Google" -Direction Inbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "rdp" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "rdp" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Folder" -Direction Inbound -Program "%APPDATA%\Venom\update.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "vnc" -Direction Outbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "ngrok" -Direction Outbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "ngrok" -Direction Inbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows System" dir=in action=allow program="%APPDATA%\venom\nkrok.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows" dir=in action=allow program="%APPDATA%\Venom\venom_nkrok.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Task" dir=in action=allow program="%APPDATA%\Venom\update.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Service" dir=in action=allow program="%APPDATA%\Venom\autoupdate2.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Folder" dir=in action=allow program="%APPDATA%\Venom\autoupdate1.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\winvnc.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\ngrok.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\rdpinstall.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\Venom-winvnc.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-ngrok" dir=in action=allow program="%APPDATA%\Venom\Venom-ngrok.exe" enable=yes & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "vnc" -Direction Inbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow & exit' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Folder" -Direction Outbound -Program "%APPDATA%\Venom\update.exe" -Action Allow & exit' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c timeout 4
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Google" -Direction Outbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Chrome" -Direction Inbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Chrome" -Direction Inbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Chrome" -Direction Outbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Chrome" -Direction Outbound -Program "%APPDATA%\Venom\winvnc.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Update" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Update" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Update" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Google" -Direction Inbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Google" -Direction Outbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Update" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows task" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows task" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Service" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Service" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Service" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Service" -Direction Outbound -Program "%APPDATA%\Venom\autoupdate2.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Folder" -Direction Inbound -Program "%APPDATA%\Venom\update.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Folder" -Direction Inbound -Program "%APPDATA%\Venom\update.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows task" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows task" -Direction Inbound -Program "%APPDATA%\Venom\autoupdate1.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Google" -Direction Inbound -Program "%APPDATA%\Venom\ngrok.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "rdp" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "rdp" -Direction Outbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-ngrok" dir=in action=allow program="%APPDATA%\Venom\Venom-ngrok.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\Venom-winvnc.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\rdpinstall.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\ngrok.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Venom-winvnc" dir=in action=allow program="%APPDATA%\Venom\winvnc.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Folder" dir=in action=allow program="%APPDATA%\Venom\autoupdate1.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Service" dir=in action=allow program="%APPDATA%\Venom\autoupdate2.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows Task" dir=in action=allow program="%APPDATA%\Venom\update.exe" enable=yes & exit
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows" dir=in action=allow program="%APPDATA%\Venom\venom_nkrok.exe" enable=yes & exit
'%WINDIR%\syswow64\timeout.exe' 4
'%WINDIR%\syswow64\cmd.exe' /k netsh advfirewall firewall add rule name="Windows System" dir=in action=allow program="%APPDATA%\venom\nkrok.exe" enable=yes & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "ngrok" -Direction Inbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "ngrok" -Direction Outbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "ngrok" -Direction Outbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "vnc" -Direction Inbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "vnc" -Direction Inbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "vnc" -Direction Outbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "vnc" -Direction Outbound -Program "%APPDATA%\Venom\Venom-winvnc.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "rdp" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "rdp" -Direction Inbound -Program "%APPDATA%\Venom\rdpinstall.exe" -Action Allow
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "ngrok" -Direction Inbound -Program "%APPDATA%\Venom\Venom-ngrok.exe" -Action Allow & exit
'%WINDIR%\syswow64\cmd.exe' /k powershell New-NetFirewallRule -DisplayName "Windows Folder" -Direction Outbound -Program "%APPDATA%\Venom\update.exe" -Action Allow & exit
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' New-NetFirewallRule -DisplayName "Windows Folder" -Direction Outbound -Program "%APPDATA%\Venom\update.exe" -Action Allow
Recommandations pour le traitement
Windows
macOS
Linux
Android
Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space .
Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android . Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
Débranchez votre appareil et rebranchez-le.
En savoir plus sur Dr.Web pour Android
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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