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Profil

Trojan.MulDrop23.64586

Added to the Dr.Web virus database: 2023-10-04

Virus description added:

Technical Information

Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
  • User Account Control (UAC)
Executes the following
  • '<SYSTEM32>\net.exe' stop Winmgmt /y
  • '<SYSTEM32>\net.exe' stop WManSvc
Launches a large number of processes
Modifies file system
Creates the following files
  • %TEMP%\os2w0epo.bat
  • %WINDIR%\temp\fwtsqmfile01.sqm
Miscellaneous
Executes the following
  • '<SYSTEM32>\cmd.exe' /c ""%TEMP%\oS2w0epo.bat" "
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SYSTEM\CurrentControlSet\Control\PriorityControl" /v "Win32PrioritySeparation" /t REG_DWORD /d "40" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SYSTEM\CurrentControlSet\Control\PriorityControl" /v "ConvertibleSlateMode" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "MouseThreshold2" /T REG_SZ /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "MouseThreshold1" /T REG_SZ /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "MouseSpeed" /T REG_SZ /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "SmoothMouseYCurve" /T REG_BINARY /d 0000000000000000000038000000000000007000000000000000A800000000000000E00000000000
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "SmoothMouseXCurve" /T REG_BINARY /d 0000000000000000C0CC0C0000000000809919000000000040662600000000000033330000000000
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Mouse" /F /V "MouseSensitivity" /T REG_SZ /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Control Panel\Desktop" /F /V "MenuShowDelay" /T REG_SZ /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SYSTEM\CurrentControlSet\Services\DXGKrnl" /F /V "MonitorRefreshLatencyTolerance" /T REG_DWORD /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SYSTEM\CurrentControlSet\Services\DXGKrnl" /F /V "MonitorLatencyTolerance" /T REG_DWORD /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power" /F /V "EventProcessorEnabled" /T REG_DWORD /d 0
  • '<SYSTEM32>\reg.exe' ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Diagnostics\Performance" /F /V "DisableDiagnosticTracing" /T REG_DWORD /d 1
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v "DisableLargeMtu" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DisableTaskOffload" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DisableLargeMtu" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider" /v "NetbtPriority" /t REG_DWORD /d "7" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider" /v "DnsPriority" /t REG_DWORD /d "6" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider" /v "HostsPriority" /t REG_DWORD /d "5" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider" /v "LocalPriority" /t REG_DWORD /d "4" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Control\Power" /v "HibernateEnabled" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\Maintenance" /v "MaintenanceDisabled" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Control" /v "WaitToKillServiceTimeout" /t REG_SZ /d "2000" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "MenuShowDelay" /t REG_SZ /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "LowLevelHooksTimeout" /t REG_SZ /d "1000" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "WaitToKillAppTimeout" /t REG_SZ /d "2000" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "HungAppTimeout" /t REG_SZ /d "1000" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Update" /v "ExcludeWUDriversInQualityUpdate" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Update" /v "ExcludeWUDriversInQualityUpdate" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Update\ExcludeWUDriversInQualityUpdate" /v "value" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" /v "ExcludeWUDriversInQualityUpdate" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "ConsentPromptBehaviorAdmin" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\Tcpip6\Parameters" /v "DisabledComponents" /t REG_DWORD /d "255" /f
  • '<SYSTEM32>\reg.exe' delete "HKCU\System\GameConfigStore\Parents" /f
  • '<SYSTEM32>\reg.exe' delete "HKCU\System\GameConfigStore\Children" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings" /v "DownloadMode" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\mouclass\Parameters" /v "MouseDataQueueSize" /t REG_DWORD /d "16" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Services\kbdclass\Parameters" /v "KeyboardDataQueueSize" /t REG_DWORD /d "16" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Policies\Microsoft\SQMClient" /v "CorporateSQMURL" /t REG_SZ /d "0.0.0.0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Policies\Microsoft\SQMClient\Windows" /v "CEIPEnable" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Control\WMI\AutoLogger\SQMLogger" /v "Start" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Control\WMI\AutoLogger\AutoLogger-Diagtrack-Listener" /v "Start" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Privacy" /v "TailoredExperiencesWithDiagnosticDataEnabled" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WUDF" /v "LogLevel" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" /v "SubscribedContent-338389Enabled" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WUDF" /v "LogEnable" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CloudContent" /v "DisableWindowsConsumerFeatures" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "TaskbarAnimations" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "ListviewShadow" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "ListviewAlphaSelect" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "IconsOnly" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer" /v "ShellState" /t REG_BINARY /d "240000003E28000000000000000000000000000001000000130000000000000072000000" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop\WindowMetrics" /v "MinAnimate" /t REG_SZ /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "UserPreferencesMask" /t REG_BINARY /d "9012038010020000" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "FontSmoothing" /t REG_SZ /d "2" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "DragFullWindows" /t REG_SZ /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects" /v "VisualFXSetting" /t REG_DWORD /d "3" /f
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" /v "ExcludeWUDriversInQualityUpdate" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "PromptOnSecureDesktop" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\Control Panel\Desktop" /v "AutoEndTasks" /t REG_SZ /d "1" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\System\GameConfigStore" /v "GameDVR_EFSEFeatureFlags" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\System\GameConfigStore" /v "GameDVR_DXGIHonorFSEWindowsCompatible" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\bcdedit.exe' /set isolatedcontext No
  • '<SYSTEM32>\bcdedit.exe' /set allowedinmemorysettings 0x0
  • '<SYSTEM32>\bcdedit.exe' /set nolowmem Yes
  • '<SYSTEM32>\bcdedit.exe' /set avoidlowmemory 0x8000000
  • '<SYSTEM32>\bcdedit.exe' /set firstmegabytepolicy UseAll
  • '<SYSTEM32>\bcdedit.exe' /set increaseuserva 268435328
  • '<SYSTEM32>\bcdedit.exe' /set linearaddress57 OptOut
  • '<SYSTEM32>\bcdedit.exe' /set {globalsettings} custom:16000068 true
  • '<SYSTEM32>\bcdedit.exe' /set {globalsettings} custom:16000069 true
  • '<SYSTEM32>\bcdedit.exe' /set {globalsettings} custom:16000067 true
  • '<SYSTEM32>\bcdedit.exe' /set quietboot yes
  • '<SYSTEM32>\bcdedit.exe' /set tpmbootentropy ForceDisable
  • '<SYSTEM32>\bcdedit.exe' /set hypervisorlaunchtype off
  • '<SYSTEM32>\bcdedit.exe' /set bootmenupolicy standard
  • '<SYSTEM32>\bcdedit.exe' /set bootux disabled
  • '<SYSTEM32>\bcdedit.exe' /set nx optout
  • '<SYSTEM32>\bcdedit.exe' /timeout 0
  • '<SYSTEM32>\bcdedit.exe' /set useplatformtick yes
  • '<SYSTEM32>\bcdedit.exe' /set disabledynamictick yes
  • '<SYSTEM32>\net1.exe' start WManSvc
  • '<SYSTEM32>\net.exe' start WManSvc
  • '<SYSTEM32>\net1.exe' start Winmgmt
  • '<SYSTEM32>\net.exe' start Winmgmt
  • '<SYSTEM32>\sc.exe' config WManSvc start=demand
  • '<SYSTEM32>\sc.exe' config Winmgmt start=demand
  • '<SYSTEM32>\net1.exe' stop WManSvc
  • '<SYSTEM32>\net1.exe' stop Winmgmt /y
  • '<SYSTEM32>\bcdedit.exe' /set vsmlaunchtype Off
  • '<SYSTEM32>\bcdedit.exe' /set vm No
  • '<SYSTEM32>\bcdedit.exe' /set configaccesspolicy Default
  • '<SYSTEM32>\bcdedit.exe' /set MSI Default
  • '<SYSTEM32>\reg.exe' add "HKCU\System\GameConfigStore" /v "GameDVR_FSEBehaviorMode" /t REG_DWORD /d "2" /f
  • '<SYSTEM32>\reg.exe' add "HKCU\System\GameConfigStore" /v "GameDVR_Enabled" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "SFIO Priority" /t REG_SZ /d "High" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Scheduling Category" /t REG_SZ /d "High" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Priority" /t REG_DWORD /d "6" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "GPU Priority" /t REG_DWORD /d "8" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Clock Rate" /t REG_DWORD /d "10000" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Background Only" /t REG_SZ /d "False" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Affinity" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" /v "SystemResponsiveness" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" /v "NetworkThrottlingIndex" /t REG_DWORD /d "10" /f
  • '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\CurrentControlSet\Control\Power\PowerThrottling" /v "PowerThrottlingOff" /t REG_DWORD /d "1" /f
  • '<SYSTEM32>\netsh.exe' int ipv4 set dynamicport udp start=1025 num=64511
  • '<SYSTEM32>\netsh.exe' int tcp set security profiles=disabled
  • '<SYSTEM32>\netsh.exe' int ipv4 set dynamicport tcp start=1025 num=64511
  • '<SYSTEM32>\netsh.exe' int tcp set security mpp=disabled
  • '<SYSTEM32>\netsh.exe' int tcp set heuristics wsh=disabled
  • '<SYSTEM32>\netsh.exe' int tcp set heuristics disabled
  • '<SYSTEM32>\netsh.exe' int tcp set global rsc=disabled
  • '<SYSTEM32>\netsh.exe' int ip set global mldlevel=none
  • '<SYSTEM32>\netsh.exe' int ip set global mediasenseeventlog=disabled
  • '<SYSTEM32>\netsh.exe' int ip set global dhcpmediasense=disabled
  • '<SYSTEM32>\netsh.exe' int ip set global taskoffload=disabled
  • '<SYSTEM32>\netsh.exe' int ip set global sourceroutingbehavior=drop
  • '<SYSTEM32>\netsh.exe' int ip set global routecachelimit=4096
  • '<SYSTEM32>\netsh.exe' int ip set global neighborcachelimit=4096
  • '<SYSTEM32>\bcdedit.exe' /set usefirmwarepcisettings No
  • '<SYSTEM32>\bcdedit.exe' /set usephysicaldestination No
  • '<SYSTEM32>\reg.exe' add "HKCU\System\GameConfigStore" /v "GameDVR_HonorUserFSEBehaviorMode" /t REG_DWORD /d "0" /f
  • '<SYSTEM32>\gpupdate.exe' /force

Recommandations pour le traitement

  1. 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.
  2. 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.

Veuillez lancer le scan complet du système à l'aide de Dr.Web Antivirus pour Mac OS.

Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

  1. 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.
  2. 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