Trojan.Win32.STOP.EI
Ransom:Win32/StopCrypt.MBK!MTB (MICROSOFT)
PLATFORM:
Windows
OVER ALL RISK RATING:
DAMAGE POTENTIAL::
DISTRIBUTION POTENTIAL::
REPORTED INFECTION:
INFORMATION EXPOSURE:
Low
Medium
High
Critical
Threat Type:
Ransomware
Destructiveness:
No
Encrypted:
In the wild::
Yes
OVERVIEW
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
File size: 510,464 bytes
File type: EXE
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 18 września 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
Infiltra los archivos siguientes:
- %AppDataLocalLow%\sqlite3.dll
- %AppDataLocalLow%\{Random Characters}
- %AppDataLocalLow%\{Random Characters}.zip
- %AppDataLocalLow%\{Random Characters}\AccessibleHandler.dll
- %AppDataLocalLow%\{Random Characters}\AccessibleMarshal.dll
- %AppDataLocalLow%\{Random Characters}\IA2Marshal.dll
- %AppDataLocalLow%\{Random Characters}\MapiProxy.dll
- %AppDataLocalLow%\{Random Characters}\MapiProxy_InUse.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-file-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-file-l2-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-handle-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-heap-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-interlocked-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-libraryloader-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-localization-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-memory-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-namedpipe-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processenvironment-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processthreads-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processthreads-l1-1-1.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-profile-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-rtlsupport-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-string-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-synch-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-synch-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-sysinfo-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-timezone-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-util-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-conio-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-convert-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-environment-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-filesystem-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-heap-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-locale-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-math-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-multibyte-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-private-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-process-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-runtime-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-stdio-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-string-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-time-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-utility-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\breakpadinjector.dll
- %AppDataLocalLow%\{Random Characters}\freebl3.dll
- %AppDataLocalLow%\{Random Characters}\ldap60.dll
- %AppDataLocalLow%\{Random Characters}\ldif60.dll
- %AppDataLocalLow%\{Random Characters}\lgpllibs.dll
- %AppDataLocalLow%\{Random Characters}\libEGL.dll
- %AppDataLocalLow%\{Random Characters}\mozMapi32.dll
- %AppDataLocalLow%\{Random Characters}\mozMapi32_InUse.dll
- %AppDataLocalLow%\{Random Characters}\mozglue.dll
- %AppDataLocalLow%\{Random Characters}\msvcp140.dll
- %AppDataLocalLow%\{Random Characters}\nss3.dll
- %AppDataLocalLow%\{Random Characters}\nssckbi.dll
- %AppDataLocalLow%\{Random Characters}\nssdbm3.dll
- %AppDataLocalLow%\{Random Characters}\prldap60.dll
- %AppDataLocalLow%\{Random Characters}\qipcap.dll
- %AppDataLocalLow%\{Random Characters}\softokn3.dll
- %AppDataLocalLow%\{Random Characters}\ucrtbase.dll
- %AppDataLocalLow%\{Random Characters}\vcruntime140.dll
- %AppDataLocalLow%\{Random Characters}\{Random Characters}.zip
Agrega los procesos siguientes:
- cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "{Malware file path and name}"
- timeout /T 10 /NOBREAK
Crea las carpetas siguientes:
- %AppDataLocalLow%\{Random Characters}
Otros detalles
It connects to the following possibly malicious URL:
- {BLOCKED}.in
- {BLOCKED}.{BLOCKED}.175.24
- {BLOCKED}.{BLOCKED}.225.248
SOLUTION
Minimum scan engine: 9.800
First VSAPI Pattern File: 16.974.06
First VSAPI Pattern Release Date: 18 września 2021
VSAPI OPR PATTERN-VERSION: 16.975.00
VSAPI OPR PATTERN DATE: 19 września 2021
Step 2
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 3
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 4
Buscar y eliminar este archivo
[ learnMore ]
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. - %AppDataLocalLow%\sqlite3.dll
- %AppDataLocalLow%\{Random Characters}
- %AppDataLocalLow%\{Random Characters}.zip
- %AppDataLocalLow%\{Random Characters}\AccessibleHandler.dll
- %AppDataLocalLow%\{Random Characters}\AccessibleMarshal.dll
- %AppDataLocalLow%\{Random Characters}\IA2Marshal.dll
- %AppDataLocalLow%\{Random Characters}\MapiProxy.dll
- %AppDataLocalLow%\{Random Characters}\MapiProxy_InUse.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-file-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-file-l2-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-handle-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-heap-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-interlocked-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-libraryloader-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-localization-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-memory-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-namedpipe-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processenvironment-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processthreads-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-processthreads-l1-1-1.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-profile-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-rtlsupport-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-string-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-synch-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-synch-l1-2-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-sysinfo-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-timezone-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-core-util-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-conio-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-convert-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-environment-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-filesystem-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-heap-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-locale-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-math-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-multibyte-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-private-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-process-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-runtime-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-stdio-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-string-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-time-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\api-ms-win-crt-utility-l1-1-0.dll
- %AppDataLocalLow%\{Random Characters}\breakpadinjector.dll
- %AppDataLocalLow%\{Random Characters}\freebl3.dll
- %AppDataLocalLow%\{Random Characters}\ldap60.dll
- %AppDataLocalLow%\{Random Characters}\ldif60.dll
- %AppDataLocalLow%\{Random Characters}\lgpllibs.dll
- %AppDataLocalLow%\{Random Characters}\libEGL.dll
- %AppDataLocalLow%\{Random Characters}\mozMapi32.dll
- %AppDataLocalLow%\{Random Characters}\mozMapi32_InUse.dll
- %AppDataLocalLow%\{Random Characters}\mozglue.dll
- %AppDataLocalLow%\{Random Characters}\msvcp140.dll
- %AppDataLocalLow%\{Random Characters}\nss3.dll
- %AppDataLocalLow%\{Random Characters}\nssckbi.dll
- %AppDataLocalLow%\{Random Characters}\nssdbm3.dll
- %AppDataLocalLow%\{Random Characters}\prldap60.dll
- %AppDataLocalLow%\{Random Characters}\qipcap.dll
- %AppDataLocalLow%\{Random Characters}\softokn3.dll
- %AppDataLocalLow%\{Random Characters}\ucrtbase.dll
- %AppDataLocalLow%\{Random Characters}\vcruntime140.dll
- %AppDataLocalLow%\{Random Characters}\{Random Characters}.zip
Step 5
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. - %AppDataLocalLow%\{Random Characters}
Step 6
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como Trojan.Win32.STOP.EI 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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