PUA.Win32.BTToolbar.AA
HEUR:AdWare.Win32.EverFresh.gen (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)
Windows
Threat Type:
Potentially Unwanted Application
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
Crea las carpetas siguientes:
- %AppDataLocal%Low\{malware file name}
Técnica de inicio automático
Se registra como BHO para garantizar su ejecución automática cada vez que se utilice Internet Explorer mediante la introducción de las siguientes claves de registro:
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{480B86B9-0923-4886-A944-00E9F00AEDED}
Otras modificaciones del sistema
Agrega las siguientes entradas de registro:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}
(Default) = "-----Menu bar name--------------------------------"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
InprocServer32
(Default) = "%User Temp%\{malware file name}.dll"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
InprocServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
ToolboxBitmap32
(Default) = "%User Temp%\{malware file name}.dll, 102"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
MiscStatus
(Default) = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
MiscStatus\1
(Default) = "131473"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\
Version
(Default) = "1.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}
(Default) = "IDTBandObj"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\
ProxyStubClsid32
(Default) = "{00020424-0000-0000-C000-000000000046}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\
TypeLib
(Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\
TypeLib
Version = "1.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}
(Default) = "IUIDTBandObj"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\
ProxyStubClsid32
(Default) = "{00020424-0000-0000-C000-000000000046}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\
TypeLib
(Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\
TypeLib
Version = "1.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}
(Default) = "_IDTFrameworkEvents"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\
ProxyStubClsid32
(Default) = "{00020420-0000-0000-C000-000000000046}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\
TypeLib
(Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\
TypeLib
Version = "1.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Internet Explorer\Toolbar
{480B86B9-0923-4886-A944-00E9F00AEDED} = ""
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Ext\PreApproved\{480B86B9-0923-4886-A944-00E9F00AEDED}
(Default) = ""
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
Cierre todas las ventanas abiertas del explorador.
Step 3
Eliminar este valor del Registro
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\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}
- (Default) = "-----Menu bar name--------------------------------"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\InprocServer32
- (Default) = "%User Temp%\{malware file name}.dll"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\InprocServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\ToolboxBitmap32
- (Default) = "%User Temp%\{malware file name}.dll, 102"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\MiscStatus
- (Default) = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\MiscStatus\1
- (Default) = "131473"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{480B86B9-0923-4886-A944-00E9F00AEDED}\Version
- (Default) = "1.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}
- (Default) = "IDTBandObj"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\ProxyStubClsid32
- (Default) = "{00020424-0000-0000-C000-000000000046}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\TypeLib
- (Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADF90832-DC6F-4279-BBBF-ECED4AE49CCB}\TypeLib
- Version = "1.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}
- (Default) = "IUIDTBandObj"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\ProxyStubClsid32
- (Default) = "{00020424-0000-0000-C000-000000000046}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\TypeLib
- (Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7F061AD0-A505-4289-9F31-40F93E010204}\TypeLib
- Version = "1.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}
- (Default) = "_IDTFrameworkEvents"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\ProxyStubClsid32
- (Default) = "{00020420-0000-0000-C000-000000000046}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\TypeLib
- (Default) = "{589D05E8-C059-4057-9627-469021A8B825}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{999E3BA5-66A0-4D28-BEA2-85C2D512577D}\TypeLib
- Version = "1.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar
- {480B86B9-0923-4886-A944-00E9F00AEDED} = ""
- In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{480B86B9-0923-4886-A944-00E9F00AEDED}
- (Default) = ""
Step 4
Buscar y eliminar esta carpeta
- %AppDataLocal%Low\{malware file name}
Step 5
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como PUA.Win32.BTToolbar.AA 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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