HackTool.Win32.OneKeyRe.A
Win32/StartPage.OWF trojan (NOD32)
Windows
Threat Type:
Hacking Tool
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
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:
- %System Root%\Boot\BCD_.LOG{Number}
- %System Root%\okldr
- %System Root%\okldr.mbr
- %System Root%\YlmF.ima
- %System Root%\Ghost.ba_
- %User Temp%\Ghost.exe
- %User Temp%\WimaDll.dll
- {Backup Path}\{Backup Filename} → set by the user when creating a backup of the system
(Nota: %System Root% es la carpeta raíz, normalmente C:\. También es la ubicación del sistema operativo).
. %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).)Agrega los procesos siguientes:
- %System%\BCDEdit.exe /export %System Root%\Boot\BCD_
- %System%\BCDEdit.exe /create {GUID} /d "OneKey Recovery" /application bootsector
- %System%\BCDEdit.exe /set {GUID} path \okldr.mbr
- %System%\BCDEdit.exe /displayorder {GUID} /addlast
- %System%\BCDEdit.exe /timeout 3
- %System%\BCDEdit.exe /default {GUID}
- %System%\BCDEdit.exe /set {GUID} device partition=\Device\HarddiskVolume1
(Nota: %System Root% es la carpeta raíz, normalmente C:\. También es la ubicación del sistema operativo).
)Otros detalles
Hace lo siguiente:
- The dropped Ghost.ba_ contains the following batch commands:
- Ghost.exe -noide -nousb -clone,mode=pdump,src="{Source Partition Index}",dst="{Destination Partition Index}\Ghost\Bak.GHO" -fr restart
- It is a system backup and restore tool that allows users to create a full system image and restore it when needed.
- It integrates Norton Ghost as its core engine for disk imaging and restoration.
- It offers options to restore or back up the operating system.
- It allows users to install or repair the recovery system.
- It contains a field that allows users to select or input the location of the backup image file.
- It displays all detected drives and partitions which includes the following information:
- Partition Sequence
- Volume Label
- File System Format
- Free Space
- Total Capacity
- It allows users to select specific drives or partitions for restoration or backup.
- It allows users to search for backup files such as .GHO within a specified directory depth.
- It offers the following compression levels:
- No Compression
- Fast Compression
- High Compression
- Maximum Compression
- Users can choose between the following Ghost versions:
- 11.0.2
- 11.5.1
- Other Ghost executables provided by the user
- It has an option to disable access to IDE devices during backup operations.
- It allows users to choose between the operating system boot menu or a hotkey for recovery.
- It provides the following hotkey options for triggering the recovery process during boot:
- F7
- F8
- F10
- F11
- F12
SOLUTION
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
Buscar y eliminar estos archivos
- %System Root%\Boot\BCD_.LOG{Number}
- %System Root%\okldr
- %System Root%\okldr.mbr
- %System Root%\YlmF.ima
- %System Root%\Ghost.ba_
- %User Temp%\Ghost.exe
- %User Temp%\WimaDll.dll
- {Backup Path}\{Backup Filename}
- %System Root%\Boot\BCD_.LOG{Number}
- %System Root%\okldr
- %System Root%\okldr.mbr
- %System Root%\YlmF.ima
- %System Root%\Ghost.ba_
- %User Temp%\Ghost.exe
- %User Temp%\WimaDll.dll
- {Backup Path}\{Backup Filename}
Step 4
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como HackTool.Win32.OneKeyRe.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.
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