Análisis realizado por : Maria Emreen Viray   
 Alias

HackTool:Win32/GendowsBatch (MICROSOFT)

 Plataforma:

Windows

 Riesgo general:
 Potencial de destrucción:
 Infección divulgada:
 Impacto en el sistema :
 Revelación de la información:
Bajo
Medio
High
Crítico

  • Tipo de malware
    Trojan Spy

  • Destructivo?
    No

  • Cifrado
     

  • In the Wild:
    Sí

  Resumen y descripción

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Detalles técnicos

Tamaño del archivo 36,437,501 bytes
Tipo de archivo EXE
Residente en memoria No
Fecha de recepción de las muestras iniciales 05 de octubre de 2021

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Agrega las carpetas siguientes:

  • %Program Files%\{BLOCKED}C51
  • %System%\{BLOCKED}JSPCSP
  • %Common Programs%\{BLOCKED}
  • %Common Programs%\{BLOCKED}\51楷翑忒
  • After uninstallation through ControlPanel or uninst.exe:
    • %User Temp%\~nsuA.tmp

Infiltra los archivos siguientes:

  • %Program Files%\{BLOCKED}C51\51boxtrace.eti
  • %Program Files%\{BLOCKED}C51\51fapiao.cer
  • %Program Files%\{BLOCKED}C51\51fapiaotest.cer
  • %Program Files%\{BLOCKED}C51\Assist.exe
  • %Program Files%\{BLOCKED}C51\Assist.exe.Config
  • %Program Files%\{BLOCKED}C51\BSWJURL.ini
  • %Program Files%\{BLOCKED}C51\C51CloudInvoiceAdapter.exe
  • %Program Files%\{BLOCKED}C51\C51CloudInvoiceProtect.exe
  • %Program Files%\{BLOCKED}C51\C51InvoiceAssist.exe
  • %Program Files%\{BLOCKED}C51\C51InvoiceGuide.exe
  • %Program Files%\{BLOCKED}C51\CertDecoder.dll
  • %Program Files%\{BLOCKED}C51\CertSecurity.dll
  • %Program Files%\{BLOCKED}C51\CloudInvoiceAdapterService.exe
  • %Program Files%\{BLOCKED}C51\DataTransferToolDownload.exe
  • %Program Files%\{BLOCKED}C51\FQFQFQFQ.cer
  • %Program Files%\{BLOCKED}C51\FWS51PTC.cer
  • %Program Files%\{BLOCKED}C51\JSDiskDLL.dll
  • %Program Files%\{BLOCKED}C51\JsDevInfoDll.dll
  • %Program Files%\{BLOCKED}C51\JspInterface.dll
  • %Program Files%\{BLOCKED}C51\LogCtrl.cfg
  • %Program Files%\{BLOCKED}C51\NISEC_UKEYC.dll
  • %Program Files%\{BLOCKED}C51\Net_Util.dll
  • %Program Files%\{BLOCKED}C51\QWER1234.cer
  • %Program Files%\{BLOCKED}C51\RSADecrypt.dll
  • %Program Files%\{BLOCKED}C51\ReadAreaCode.dll
  • %Program Files%\{BLOCKED}C51\RegAsm.exe
  • %Program Files%\{BLOCKED}C51\SOFC.dll
  • %Program Files%\{BLOCKED}C51\Sm2Clt.dll
  • %Program Files%\{BLOCKED}C51\TaxBox.dll
  • %Program Files%\{BLOCKED}C51\TaxUKeyBase.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-file-l1-2-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-file-l2-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-localization-l1-2-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-processthreads-l1-1-1.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-synch-l1-2-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-core-timezone-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-convert-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-environment-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-filesystem-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-heap-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-locale-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-math-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-multibyte-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-runtime-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-stdio-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-string-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-time-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\api-ms-win-crt-utility-l1-1-0.dll
  • %Program Files%\{BLOCKED}C51\cryp_api.dll
  • %Program Files%\{BLOCKED}C51\decodecert.dll
  • %Program Files%\{BLOCKED}C51\delUKeyLog.bat
  • %Program Files%\{BLOCKED}C51\download.exe
  • %Program Files%\{BLOCKED}C51\ebasic__{BLOCKED}.dat
  • %Program Files%\{BLOCKED}C51\gbfw.bat
  • %Program Files%\{BLOCKED}C51\imgdecoder-gdip.dll
  • %Program Files%\{BLOCKED}C51\imgdecoder-png.dll
  • %Program Files%\{BLOCKED}C51\interface.ini
  • %Program Files%\{BLOCKED}C51\libcrypto-1_1.dll
  • %Program Files%\{BLOCKED}C51\libcurl.dll
  • %Program Files%\{BLOCKED}C51\libcurl_7.67.0.dll
  • %Program Files%\{BLOCKED}C51\libeay32.dll
  • %Program Files%\{BLOCKED}C51\libssl-1_1.dll
  • %Program Files%\{BLOCKED}C51\log4cxx.dll
  • %Program Files%\{BLOCKED}C51\logo.ico
  • %Program Files%\{BLOCKED}C51\msvcr100.dll
  • %Program Files%\{BLOCKED}C51\msvcr71.dll
  • %Program Files%\{BLOCKED}C51\paho-mqtt3c.dll
  • %Program Files%\{BLOCKED}C51\privcfg.ini
  • %Program Files%\{BLOCKED}C51\pthreadVC2.dll
  • %Program Files%\{BLOCKED}C51\public.pem
  • %Program Files%\{BLOCKED}C51\regasm.exe.config
  • %Program Files%\{BLOCKED}C51\render-gdi.dll
  • %Program Files%\{BLOCKED}C51\resprovider-7zip.dll
  • %Program Files%\{BLOCKED}C51\sangfor.dll
  • %Program Files%\{BLOCKED}C51\softSysVersion
  • %Program Files%\{BLOCKED}C51\soui.dll
  • %Program Files%\{BLOCKED}C51\sqlite3.dll
  • %Program Files%\{BLOCKED}C51\ssleay32.dll
  • %Program Files%\{BLOCKED}C51\swukeyinstaller.exe
  • %Program Files%\{BLOCKED}C51\trust.txt
  • %Program Files%\{BLOCKED}C51\trusttest.txt
  • %Program Files%\{BLOCKED}C51\ucrtbase.dll
  • %Program Files%\{BLOCKED}C51\uires.7z
  • %Program Files%\{BLOCKED}C51\uires_ypy.7z
  • %Program Files%\{BLOCKED}C51\ukeyinfo.ini
  • %Program Files%\{BLOCKED}C51\uniAcceptFramework.dll
  • %Program Files%\{BLOCKED}C51\uninst.ico
  • %Program Files%\{BLOCKED}C51\update.exe
  • %Program Files%\{BLOCKED}C51\utilities.dll
  • %Program Files%\{BLOCKED}C51\vcredist.x86_2015.exe
  • %Program Files%\{BLOCKED}C51\xihaa.dll
  • %Program Files%\{BLOCKED}C51\ykpzs.cait
  • %Program Files%\{BLOCKED}C51\zlib1.dll
  • %Program Files%\{BLOCKED}C51\zlibwapi.dll
  • %System%\ai109b_gm.dll
  • %System%\CTptkcs.dll
  • %System%\{BLOCKED}JSPCSP\{BLOCKED}_service_admin.exe
  • %System%\{BLOCKED}JSPCSP\cspPinDlg.dll
  • %System%\{BLOCKED}JSPCSP\cspsign.dll
  • %System%\{BLOCKED}JSPCSP\LYFCSP.dll
  • %System%\{BLOCKED}JSPCSP\tokenh.dll
  • %Common Programs%\{BLOCKED}\51楷翑忒\51楷翑忒.lnk
  • %Common Programs%\{BLOCKED}\51楷翑忒\迠婥 51楷翑忒.lnk
  • %Program Files%\{BLOCKED}C51\uninst.exe
  • %User Temp%\dd_vcredist_x86_{YYYYMMDD}{Random Digits}.log
  • Temporary files (attempt to delete afterwards):
    • %User Temp%\ns{Random Characters}.tmp\killer.dll
    • %User Temp%\ns{Random Characters}.tmp\System.dll
    • %User Temp%\ns{Random Characters}.tmp\KillProcDLL.dll
    • %User Temp%\ns{Random Characters}.tmp\nsExec.dll
    • %User Temp%\ns{Random Characters}.tmp\ns{Random Characters}.tmp
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\wixstdba.dll
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\{Random Digits}\license.rtf
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\thm.xml
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\thm.wxl
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\logo.png
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\license.rtf
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\{Random Digits}\thm.wxl
    • %User Temp%\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\BootstrapperApplicationData.xml
  • After uninstallation through ControlPanel or uninst.exe:
    • %User Temp%\~nsuA.tmp\Un_A.exe
    • %User Temp%\~nsuA.tmp\Un_B.exe

Agrega los procesos siguientes:

  • "%User Temp%p\ns{Random Characters}.tmp\ns{Random Characters}.tmp" "vcredist.x86_2015.exe" /quiet /install /norestart
  • "vcredist.x86_2015.exe" /quiet /install /norestart
  • "%Program Files%\{BLOCKED}C51\vcredist.x86_2015.exe" /quiet /install /norestart -burn.unelevated BurnPipe.{Generated GUID 1} {Generated GUID 2} {Random Value}
  • "%Program Files%\{BLOCKED}C51\C51InvoiceGuide.exe"
  • After uninstallation through ControlPanel or uninst.exe:
    • "%User Temp%p\~nsuA.tmp\Un_B.exe" _?=%Program Files%\{BLOCKED}C51\
    • "%User Temp%p\ns{Random Characters}.tmp\ns{Random Characters}.tmp" "%System%\{BLOCKED}JSPCSP\{BLOCKED}_service_admin.exe" /stop
    • "%System%\{BLOCKED}JSPCSP\{BLOCKED}_service_admin.exe" /stop
    • "%User Temp%p\ns{Random Characters}.tmp\ns{Random Characters}.tmp" "%System%\{BLOCKED}JSPCSP\{BLOCKED}_service_admin.exe" /remove
    • "%System%\{BLOCKED}JSPCSP\{BLOCKED}_service_admin.exe" /remove

Otras modificaciones del sistema

Agrega las siguientes entradas de registro:

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\
Provider\{BLOCKED} JSP SKF V1.0
Image Path = %System%\ai109b_gm.dll

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\
Provider\{BLOCKED} JSP SKF V1.0
DefaultApplication = SM2

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\
Provider\{BLOCKED} JSP SKF V1.0
DefaultContainer = SM2CONTAINER

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Defaults\Provider\
{BLOCKED} Cryptographic Service Provider V1.0
Image Path = %System%\{BLOCKED}JSPCSP\cspsign.dll

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Defaults\Provider\
{BLOCKED} Cryptographic Service Provider V1.0
Signature = {Hex Values}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Defaults\Provider\
{BLOCKED} Cryptographic Service Provider V1.0
Type = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Calais\SmartCards\
{BLOCKED}Soft JSP UsbKey
ATR = {Hex Values}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Calais\SmartCards\
{BLOCKED}Soft JSP UsbKey
ATRMask = {Hex Values}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Calais\SmartCards\
{BLOCKED}Soft JSP UsbKey
Crypto Provider = {BLOCKED} Cryptographic Service Provider V1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
DisplayName = 51楷翑忒 1.3.8

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
DisplayIcon = %Program Files%\{BLOCKED}C51\logo.ico

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
UninstallString = %Program Files%\{BLOCKED}C51\uninst.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
DisplayVersion = 1.3.8

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
URLInfoAbout = http://www.{BLOCKED}.com

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
Publisher = {BLOCKED}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
GroupFlag = 0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒
LocalFlag = 0

Otros detalles

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

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\
Provider

HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\
Provider\{BLOCKED} JSP SKF V1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Defaults\Provider\
{BLOCKED} Cryptographic Service Provider V1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Cryptography\Calais\SmartCards\
{BLOCKED}Soft JSP UsbKey

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
51楷翑忒

  Soluciones

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 17.116.05
Primera fecha de publicación de patrones de VSAPI 07 de octubre de 2021
Versión de patrones OPR de VSAPI 17.117.00
Fecha de publicación de patrones OPR de VSAPI 08 de octubre de 2021

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Quitar TrojanSpy.Win32.PSKEYLOGGER.A por medio de su propia opción de desinstalación

[ aprenda más ]
Para desinstalar el proceso de grayware

Step 4

Eliminar este valor del Registro

[ aprenda más ]

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\gbskf\Provider\{BLOCKED} JSP SKF V1.0
    • Image Path = %System%\ai109b_gm.dll
  • In HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\Provider\{BLOCKED} JSP SKF V1.0
    • DefaultApplication = SM2
  • In HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\Provider\{BLOCKED} JSP SKF V1.0
    • DefaultContainer = SM2CONTAINER
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\{BLOCKED}Soft JSP UsbKey
    • ATR = {Hex Values}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\{BLOCKED}Soft JSP UsbKey
    • ATRMask = {Hex Values}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\{BLOCKED}Soft JSP UsbKey
    • Crypto Provider = {BLOCKED} Cryptographic Service Provider V1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Defaults\Provider\{BLOCKED} Cryptographic Service Provider V1.0
    • Image Path = %System%\{BLOCKED}JSPCSP\cspsign.dll
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Defaults\Provider\{BLOCKED} Cryptographic Service Provider V1.0
    • Signature = {Hex Values}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Defaults\Provider\{BLOCKED} Cryptographic Service Provider V1.0
    • Type = 1

Step 5

Eliminar esta clave del Registro

[ aprenda más ]

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.

  • HKEY_LOCAL_MACHINE\SOFTWARE\gbskf
  • HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\Provider
  • HKEY_LOCAL_MACHINE\SOFTWARE\gbskf\Provider\{BLOCKED} JSP SKF V1.0
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Defaults\Provider\{BLOCKED} Cryptographic Service Provider V1.0
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\{BLOCKED}Soft JSP UsbKey

Step 6

Buscar y eliminar este archivo

[ aprenda más ]
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.
  • %User Temp%\ns{Random Characters}.tmp\killer.dll
  • %User Temp%\ns{Random Characters}.tmp\System.dll
  • %User Temp%\ns{Random Characters}.tmp\KillProcDLL.dll
  • %User Temp%\ns{Random Characters}.tmp\nsExec.dll
  • %User Temp%\ns{Random Characters}.tmp\ns{Random Characters}.tmp
  • %System%\ai109b_gm.dll
  • %System%\CTptkcs.dll

Step 7

Buscar y eliminar esta carpeta

[ aprenda más ]
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.
  • %User Temp%\ns{Random Characters}.tmp

Step 8

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como TrojanSpy.Win32.PSKEYLOGGER.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!