WORM_FILUNORK.A
Worm:Win32/Filunork.A (Microsoft)
Windows
Tipo de malware
Worm
Destructivo?
No
Cifrado
In the Wild:
Sí
Resumen y descripción
Detalles técnicos
Instalación
Crea las siguientes copias de sí mismo en el sistema afectado:
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\vmhlp.exe
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\svc.exe
(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).
)Crea las carpetas siguientes:
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP73
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP74
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internal Application Data
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internal Application Data\TemporayVolumnFiles
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\ThirdPartyAppData
(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).
)Rutina de infiltración
Infiltra los archivos siguientes:
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\mscom.dll
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\msword.dll
- %Temp%\pf2
- %Temp%\pf3
- %Temp%\pf4
- %Temp%\pf5
- %Temp%\pf6
- %Temp%\pf7
- %Temp%\pf8
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C.cab
- %Temp%\pf9
- %Temp%\pf10
- %Temp%\pf11
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C.mtp
- %Temp%\pf12
- %Temp%\pf13
- %Temp%\pf14
- %Temp%\pf15
- %Temp%\pf16
- %Temp%\pf17
- %Temp%\pf18
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194243~7.mts
- %Temp%\pf19
- %Temp%\pf20
- %Temp%\pf21
- %Temp%\pf22
- %Temp%\pf23
- %Temp%\pf24
- %Temp%\pf25
- %Temp%\pf26
- %Temp%\pf27
- %Temp%\pf28
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194256~7.mts
- %Temp%\pf29
- %Temp%\pf30
- %Temp%\pf31
- %Temp%\pf32
- %Temp%\pf33
- %Temp%\pf34
- %Temp%\pf35
- %Temp%\pf36
- %Temp%\pf37
- %Temp%\pf38
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194301~7.mts
- %Temp%\pf39
- %Temp%\pf40
- %Temp%\pf41
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\sp.inf
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194242~D
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194243~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194256~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194301~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194308~D
(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).
. %Temp% es la carpeta de archivos temporales de Windows, que suele estar en C:\Windows\Temp o C:\WINNT\Temp).)
Soluciones
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
Buscar y eliminar estos archivos
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\mscom.dll
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\msword.dll
- %Temp%\pf2
- %Temp%\pf3
- %Temp%\pf4
- %Temp%\pf5
- %Temp%\pf6
- %Temp%\pf7
- %Temp%\pf8
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C.cab
- %Temp%\pf9
- %Temp%\pf10
- %Temp%\pf11
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C.mtp
- %Temp%\pf12
- %Temp%\pf13
- %Temp%\pf14
- %Temp%\pf15
- %Temp%\pf16
- %Temp%\pf17
- %Temp%\pf18
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194243~7.mts
- %Temp%\pf19
- %Temp%\pf20
- %Temp%\pf21
- %Temp%\pf22
- %Temp%\pf23
- %Temp%\pf24
- %Temp%\pf25
- %Temp%\pf26
- %Temp%\pf27
- %Temp%\pf28
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194256~7.mts
- %Temp%\pf29
- %Temp%\pf30
- %Temp%\pf31
- %Temp%\pf32
- %Temp%\pf33
- %Temp%\pf34
- %Temp%\pf35
- %Temp%\pf36
- %Temp%\pf37
- %Temp%\pf38
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194301~7.mts
- %Temp%\pf39
- %Temp%\pf40
- %Temp%\pf41
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\sp.inf
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194211~C
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194242~D
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194243~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194256~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194301~7
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71\20141101194308~D
Step 3
Buscar y eliminar estas carpetas
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP73
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP74
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internet Application Data\S-1-5-21-5549805480-4977774949-5052555052-1057\RP71
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internal Application Data
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\Internal Application Data\TemporayVolumnFiles
- %Program Files%\Common Files\Microsoft Shared\WindowsUpdate\ThirdPartyAppData
Step 4
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como WORM_FILUNORK.A 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.
Rellene nuestra encuesta!