Backdoor:Win32/Beksnoc.A (Microsoft); Packed-AB!89F55866CE43 (McAfee); Trojan.ADH (Symantec); Trojan.Win32.Antavmu.ubb (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Generic31.BFUH (AVG)

 Piattaforma:

Windows 2000, Windows XP, Windows Server 2003

 Valutazione del rischio complessivo:
 Potenziale dannoso: :
 Potenziale di distribuzione: :
 Reported Infection:
Basso
Medio
Alto
Critico

  • Tipo di minaccia informatica:
    Trojan

  • Distruttivo?:
    No

  • Crittografato?:
     

  • In the wild::

  Panoramica e descrizione

Elimina archivos para impedir la ejecución correcta de programas y aplicaciones.

  Dettagli tecnici

Dimensione file: 126,538 bytes
Tipo di file: EXE
Residente in memoria:
Data di ricezione campioni iniziali: 02 aprile 2013

Instalación

Crea las siguientes copias de sí mismo en el sistema afectado:

  • %System%\msuqxstd.exe

(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows XP y Server 2003 en C:\Windows\System32).

)

Crea las carpetas siguientes:

  • %Temp%\btw_5159c340
  • %Temp%\mpk_5159c364
  • %User Profile%\Application Data\MPK
  • %User Profile%\MPK\CPDM
  • %User Profile%\MPK\CPDA
  • %User Profile%\MPK\1
  • %User Profile%\1\HCAL

(Nota: %Temp% es la carpeta de archivos temporales de Windows, que suele estar en C:\Windows\Temp o C:\WINNT\Temp).

. %User Profile% es la carpeta de perfil del usuario activo, que en el caso de Windows 98 y ME suele estar en C:\Windows\Profiles\{nombre de usuario}, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario} y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}).

)

Técnica de inicio automático

Modifique las siguientes entradas de registro para garantizar su ejecución automática cada vez que se inicia el sistema:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
userinit = "%System%\userinit.exe,%User Profile%\MPK\mpk.exe,"

(Note: The default value data of the said registry entry is %Windows%\system32\userinit.exe,.)

Se registra como un servicio del sistema para garantizar su ejecución automática cada vez que se inicia el sistema mediante la introducción de las siguientes claves de registro:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinVideo

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinVideo\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinVideo\Video

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinVideo\Enum

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinSystem

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinSystem\Enum

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinSystem\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinMouse

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinMouse\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinKeyboard

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinKeyboard\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\BeTwinDD

Otras modificaciones del sistema

Elimina los archivos siguientes:

  • %User Profile%\MPK\M0000-journal
  • %User Profile%\1\D0000-journal

(Nota: %User Profile% es la carpeta de perfil del usuario activo, que en el caso de Windows 98 y ME suele estar en C:\Windows\Profiles\{nombre de usuario}, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario} y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}).

)

Agrega las siguientes entradas de registro como parte de la rutina de instalación:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
TermServMonitor

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\ThinComputingInc\BeTwin

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\ThinComputingInc\BeTwin\
BTS#0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\ThinComputingInc\BeTwin\
Diagnostics

Agrega las siguientes entradas de registro:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
TermServMonitor
SetupName2 = "…¼ÚÛ®‡¥¡¶Ó¶«Õ×Ñ»"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\
SpecialAccounts\UserList
SUPPORT_8712 = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Terminal Server
IgnoreRegUserConfigErrors = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Terminal Server\Licensing Core
EnableConcurrentSessions = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
TermServMonitor
btw = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
TermServMonitor
mpk = "{random values}"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin
EnableRDP = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin
ClearCubeMax = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin
SoftwareRevisionLevel = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin
RdpRevisionLevel = "45"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin
limitblankpassworduseforrdpclient = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Lsa
limitblankpassworduseforrdpclient = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin\
BTS#0
ClassGUID = "{8dd21b99-9a46-4f0f-b18f-4bd786caf9ee}"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\ThinComputingInc\BeTwin\
BTS#0
DeviceReference = "886719"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo
ErrorControl = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo
Group = "Video Init"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo
Start = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo
Type = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo
ImagePath = "System32\drivers\BeTwinVF.sys"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
DualViewPrimaryDisplay = "\Device\Video0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
DualViewSecondaryDisplay = "\Device\Video1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
DisableVgaDriver = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
PriorityBoost = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
AllowHostAccess = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
HookDisplayDriver = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Parameters
EnableWDDM = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Video
Service = "BeTwinVideo"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Video
VideoID = "{DC22CEA6-4768-11DF-A8FC-806D6172696F}"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Enum
0 = "Root\LEGACY_BETWINVIDEO\0000"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Enum
Count = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinVideo\Enum
NextInstance = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem
ImagePath = "System32\Drivers\BeTwinSystem.sys"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem
ErrorControl = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem
Group = "BeTwin"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem
Start = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem
Type = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem\Enum
0 = "Root\LEGACY_BETWINSYSTEM\0000"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem\Enum
Count = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinSystem\Enum
NextInstance = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinMouse
ErrorControl = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinMouse
Group = "Base"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinMouse
Start = "3"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinMouse
Type = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinMouse
ImagePath = "System32\drivers\BeTwinMF.sys"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinKeyboard
ErrorControl = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinKeyboard
Group = "Base"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinKeyboard
Start = "3"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinKeyboard
Type = "1"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\BeTwinKeyboard
ImagePath = "System32\drivers\BeTwinKF.sys"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
GinaDLL = "xtgina.dll"

Modifica las siguientes entradas de registro:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Terminal Server
TSEnabled = "1"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Terminal Server
fAllowToGetHelp = "1"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Terminal Server
fDenyTSConnections = "0"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
Start = "2"

(Note: The default value data of the said registry entry is 3.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Lsa
limitblankpassworduse = "0"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
ErrorControl = "1"

(Note: The default value data of the said registry entry is 1.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
ObjectName = "LocalSystem"

(Note: The default value data of the said registry entry is LocalSystem.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
DependOnService = "RPCSS"

(Note: The default value data of the said registry entry is {random values}.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
Type = "1"

(Note: The default value data of the said registry entry is 20.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService
ImagePath = "System32\BeTwinServiceXP.exe"

(Note: The default value data of the said registry entry is {random values}.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Parameters
ServiceDll = "%SystemRoot%\System32\termsrv.dll"

(Note: The default value data of the said registry entry is {random values}.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Close = "CloseTSObject"

(Note: The default value data of the said registry entry is CloseTSObject.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Collect Timeout = "3e8"

(Note: The default value data of the said registry entry is 3e8.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Collect = "CollectTSObjectData"

(Note: The default value data of the said registry entry is CollectTSObjectData.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Open Timeout = "3e8"

(Note: The default value data of the said registry entry is 3e8.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Open = "OpenTSObject"

(Note: The default value data of the said registry entry is OpenTSObject.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Library = "perfts.dll"

(Note: The default value data of the said registry entry is perfts.dll.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Last Counter = "886"

(Note: The default value data of the said registry entry is 886.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Last Help = "887"

(Note: The default value data of the said registry entry is 887.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
First Counter = "86"

(Note: The default value data of the said registry entry is 806.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
First Help = "87"

(Note: The default value data of the said registry entry is 807.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Object List = "2054 2176 2054 2176"

(Note: The default value data of the said registry entry is 2054 2176.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\TermService\Performance
Library Validation Code = "{random values}"

(Note: The default value data of the said registry entry is {random values}.)

Rutina de infiltración

Infiltra los archivos siguientes:

  • %Temp%\wf1.tmp
  • %Temp%\btw_5159c340\1.tmp
  • %Temp%\btw_5159c340\2.tmp
  • %Temp%\btw_5159c340\3.tmp
  • %Temp%\btw_5159c340\4.tmp
  • %Temp%\btw_5159c340\5.tmp
  • %Temp%\btw_5159c340\6.tmp
  • %Temp%\btw_5159c340\7.tmp
  • %Temp%\btw_5159c340\8.tmp
  • %Temp%\btw_5159c340\9.tmp
  • %Temp%\btw_5159c340\10.tmp
  • %Temp%\wf2.tmp
  • %Temp%\mpk_5159c364\1.tmp
  • %Temp%\mpk_5159c364\2.tmp
  • %Temp%\mpk_5159c364\3.tmp
  • %Temp%\mpk_5159c364\4.tmp
  • %Temp%\mpk_5159c364\5.tmp
  • %Temp%\mpk_5159c364\6.tmp
  • %User Profile%\MPK\etilqs_mgtMC000VbbT4QLmVTXh
  • %System%\drivers\betwinkf.sys
  • %System%\drivers\betwinmf.sys
  • %System%\drivers\betwinvf.sys
  • %System%\drivers\betwinsystem.sys
  • %System%\slsapi.dll
  • %System%\betwinservicexp.exe
  • %System%\xtgina.dll
  • %System%\winscard32.dll
  • %System%\winscard.dll
  • %User Profile%\MPK\s0000
  • %User Profile%\MPK\mpk.exe
  • %User Profile%\MPK\mpk.dll
  • %User Profile%\MPK\key.bin
  • %User Profile%\MPK\sqlite3.dll

(Nota: %Temp% es la carpeta de archivos temporales de Windows, que suele estar en C:\Windows\Temp o C:\WINNT\Temp).

. %User Profile% es la carpeta de perfil del usuario activo, que en el caso de Windows 98 y ME suele estar en C:\Windows\Profiles\{nombre de usuario}, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario} y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}).

. %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows XP y Server 2003 en C:\Windows\System32).

)

  Soluzioni

Motore di scansione minimo: 9.300

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

Step 2

Identificar y eliminar los archivos detectados como TROJ_ANTAVMU.CP mediante el disco de inicio o la Consola de recuperación

[ learnMore ]

Step 3

Eliminar esta clave del Registro

[ learnMore ]

Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.

  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
    • BeTwinVideo
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinVideo
    • Parameters
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinVideo
    • Video
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinVideo
    • Enum
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
    • BeTwinSystem
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinSystem
    • Enum
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinSystem
    • Parameters
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
    • BeTwinMouse
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinMouse
    • Parameters
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
    • BeTwinKeyboard
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BeTwinKeyboard
    • Parameters
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
    • BeTwinDD
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft
    • TermServMonitor
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ThinComputingInc
    • BeTwin
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ThinComputingInc\BeTwin
    • BTS#0
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ThinComputingInc\BeTwin
    • Diagnostics

Step 4

Eliminar este valor del Registro

[ learnMore ]

Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TermServMonitor
    • SetupName2 = "…¼ÚÛ®‡¥¡¶Ó¶«Õ×Ñ»"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList
    • SUPPORT_8712 = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server
    • IgnoreRegUserConfigErrors = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server\Licensing Core
    • EnableConcurrentSessions = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TermServMonitor
    • btw = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TermServMonitor
    • mpk = "{random values}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin
    • EnableRDP = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin
    • ClearCubeMax = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin
    • SoftwareRevisionLevel = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin
    • RdpRevisionLevel = "45"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin
    • limitblankpassworduseforrdpclient = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa
    • limitblankpassworduseforrdpclient = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin\BTS#0
    • ClassGUID = "{8dd21b99-9a46-4f0f-b18f-4bd786caf9ee}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ThinComputingInc\BeTwin\BTS#0
    • DeviceReference = "886719"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo
    • ErrorControl = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo
    • Group = "Video Init"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo
    • Start = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo
    • Type = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo
    • ImagePath = "System32\drivers\BeTwinVF.sys"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • DualViewPrimaryDisplay = "\Device\Video0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • DualViewSecondaryDisplay = "\Device\Video1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • DisableVgaDriver = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • PriorityBoost = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • AllowHostAccess = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • HookDisplayDriver = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Parameters
    • EnableWDDM = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Video
    • Service = "BeTwinVideo"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Video
    • VideoID = "{DC22CEA6-4768-11DF-A8FC-806D6172696F}"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Enum
    • 0 = "Root\LEGACY_BETWINVIDEO\0000"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Enum
    • Count = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinVideo\Enum
    • NextInstance = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem
    • ImagePath = "System32\Drivers\BeTwinSystem.sys"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem
    • ErrorControl = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem
    • Group = "BeTwin"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem
    • Start = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem
    • Type = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem\Enum
    • 0 = "Root\LEGACY_BETWINSYSTEM\0000"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem\Enum
    • Count = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinSystem\Enum
    • NextInstance = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinMouse
    • ErrorControl = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinMouse
    • Group = "Base"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinMouse
    • Start = "3"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinMouse
    • Type = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinMouse
    • ImagePath = "System32\drivers\BeTwinMF.sys"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinKeyboard
    • ErrorControl = "0"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinKeyboard
    • Group = "Base"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinKeyboard
    • Start = "3"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinKeyboard
    • Type = "1"
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\BeTwinKeyboard
    • ImagePath = "System32\drivers\BeTwinKF.sys"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • GinaDLL = "xtgina.dll"

Step 5

Restaurar este valor del Registro modificado

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Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.

  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server
    • From: TSEnabled = "1"
      To: TSEnabled = ""1""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server
    • From: fAllowToGetHelp = "1"
      To: fAllowToGetHelp = ""1""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server
    • From: fDenyTSConnections = "0"
      To: fDenyTSConnections = ""1""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: Start = "2"
      To: Start = ""3""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa
    • From: limitblankpassworduse = "0"
      To: limitblankpassworduse = ""1""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: ErrorControl = "1"
      To: ErrorControl = ""1""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: ObjectName = "LocalSystem"
      To: ObjectName = ""LocalSystem""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: DependOnService = "RPCSS"
      To: DependOnService = ""{random values}""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: Type = "1"
      To: Type = ""20""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService
    • From: ImagePath = "System32\BeTwinServiceXP.exe"
      To: ImagePath = ""{random values}""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Parameters
    • From: ServiceDll = "%SystemRoot%\System32\termsrv.dll"
      To: ServiceDll = ""{random values}""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Close = "CloseTSObject"
      To: Close = ""CloseTSObject""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Collect Timeout = "3e8"
      To: Collect Timeout = ""3e8""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Collect = "CollectTSObjectData"
      To: Collect = ""CollectTSObjectData""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Open Timeout = "3e8"
      To: Open Timeout = ""3e8""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Open = "OpenTSObject"
      To: Open = ""OpenTSObject""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Library = "perfts.dll"
      To: Library = ""perfts.dll""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Last Counter = "886"
      To: Last Counter = ""886""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Last Help = "887"
      To: Last Help = ""887""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: First Counter = "86"
      To: First Counter = ""806""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: First Help = "87"
      To: First Help = ""807""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Object List = "2054 2176 2054 2176"
      To: Object List = ""2054 2176""
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TermService\Performance
    • From: Library Validation Code = "{random values}"
      To: Library Validation Code = ""{random values}""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • From: userinit = "%System%\userinit.exe,%User Profile%\MPK\mpk.exe,"
      To: userinit = ""%Windows%\system32\userinit.exe,""

Step 6

Buscar y eliminar estos archivos

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Puede que algunos de los archivos del componente estén ocultos. Asegúrese de que tiene activada la casilla Buscar archivos y carpetas ocultos en la opción "Más opciones avanzadas" para que el resultado de la búsqueda incluya todos los archivos y carpetas ocultos.
  • %Temp%\wf1.tmp
  • %Temp%\btw_5159c340\1.tmp
  • %Temp%\btw_5159c340\2.tmp
  • %Temp%\btw_5159c340\3.tmp
  • %Temp%\btw_5159c340\4.tmp
  • %Temp%\btw_5159c340\5.tmp
  • %Temp%\btw_5159c340\6.tmp
  • %Temp%\btw_5159c340\7.tmp
  • %Temp%\btw_5159c340\8.tmp
  • %Temp%\btw_5159c340\9.tmp
  • %Temp%\btw_5159c340\10.tmp
  • %Temp%\wf2.tmp
  • %Temp%\mpk_5159c364\1.tmp
  • %Temp%\mpk_5159c364\2.tmp
  • %Temp%\mpk_5159c364\3.tmp
  • %Temp%\mpk_5159c364\4.tmp
  • %Temp%\mpk_5159c364\5.tmp
  • %Temp%\mpk_5159c364\6.tmp
  • %User Profile%\MPK\etilqs_mgtMC000VbbT4QLmVTXh
  • %System%\drivers\betwinkf.sys
  • %System%\drivers\betwinmf.sys
  • %System%\drivers\betwinvf.sys
  • %System%\drivers\betwinsystem.sys
  • %System%\slsapi.dll
  • %System%\betwinservicexp.exe
  • %System%\xtgina.dll
  • %System%\winscard32.dll
  • %System%\winscard.dll
  • %User Profile%\MPK\s0000
  • %User Profile%\MPK\mpk.exe
  • %User Profile%\MPK\mpk.dll
  • %User Profile%\MPK\key.bin
  • %User Profile%\MPK\sqlite3.dll

Step 7

Buscar y eliminar estas carpetas

[ learnMore ]
Asegúrese de que tiene activada la casilla Buscar archivos y carpetas ocultos en la opción Más opciones avanzadas para que el resultado de la búsqueda incluya todas las carpetas ocultas.
  • %Temp%\btw_5159c340
  • %Temp%\mpk_5159c364
  • %User Profile%\Application Data\MPK
  • %User Profile%\MPK\CPDM
  • %User Profile%\MPK\CPDA
  • %User Profile%\MPK\1
  • %User Profile%\1\HCAL

Step 8

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como TROJ_ANTAVMU.CP En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.


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