PUA_DNSUnlocker
Windows
Threat Type:
Trojan
Destructiveness:
No
Encrypted:
In the wild::
Yes
OVERVIEW
Elimina archivos para impedir la ejecución correcta de programas y aplicaciones.
TECHNICAL DETAILS
Instalación
Crea las carpetas siguientes:
- %User Temp%\is-B4THV.tmp
- %User Temp%\is-GFV3R.tmp
- %User Temp%\is-GFV3R.tmp\_isetup
- %Program Files%\DNS Unlocker
(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000, XP y Server 2003 suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp).
. %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).)Otras modificaciones del sistema
Elimina los archivos siguientes:
- %Program Files%\DNS Unlocker\dnsparish.exe
- %Program Files%\DNS Unlocker\ZonaTools.XPlorerBar.dll
- %Program Files%\DNS Unlocker\Microsoft.Win32.TaskScheduler.dll
- %Program Files%\DNS Unlocker\Info.rtf
- %Windows%\Tasks\Temp{8702343a-e112-4b32-bde9-65d01e3bd548}.job
(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).
. %Windows% es la carpeta de Windows, que suele estar en C:\Windows o C:\WINNT).)Agrega las siguientes entradas de registro como parte de la rutina de instalación:
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
HKEY_LOCAL_MACHINE\Software\5da059a482fd494db3f252126fbc3d5b\
Settings
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\ROOT\Certificates\
26D9E607FFF0C58C7844B47FF8B6E079E5A2220E
Agrega las siguientes entradas de registro:
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
FX = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
SDP1 = "00001"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
SDP2 = "00001"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
UID = "4215e9a92c8f40eeb87f47e25dd1ca6b"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
DP = "51"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b\
Settings
InstallPath = "%Program Files%\DNS Unlocker"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Inno Setup: Setup Version = "5.5.5 (a)"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Inno Setup: App Path = "%Program Files%\DNS Unlocker"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
InstallLocation = "%Program Files%\DNS Unlocker"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Inno Setup: Icon Group = "DNS Unlocker"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Inno Setup: User = "Wilbert"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Inno Setup: Language = "english"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
DisplayName = "DNS Unlocker version 1.4"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
UninstallString = "%Program Files%\DNS Unlocker\unins000.exe "
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
QuietUninstallString = "%Program Files%\DNS Unlocker\unins000.exe /SILENT"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
DisplayVersion = "1.4"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Publisher = "www.dnsunlocker.com"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
NoRepair = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
InstallDate = "20160112"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
MajorVersion = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
MinorVersion = "4"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
SystemCertificates\ROOT\Certificates\
26D9E607FFF0C58C7844B47FF8B6E079E5A2220E
Blob = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
status = "1"
Elimina las siguientes claves de registro:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{E1527582-8509-4011-B922-29E3FB548882}_is1
Rutina de infiltración
Infiltra los archivos siguientes:
- %User Temp%\is-b4thv.tmp\{malware file name}.tmp
- %User Temp%\is-GFV3R.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-GFV3R.tmp\ConsoleApplication1.dll
- %User Temp%\is-GFV3R.tmp\config_tmp.ini
- %Program Files%\DNS Unlocker\unins000.dat
- %Program Files%\DNS Unlocker\is-IQEB6.tmp
- %Program Files%\DNS Unlocker\is-BH9O5.tmp
- %Program Files%\DNS Unlocker\is-40728.tmp
- %Program Files%\DNS Unlocker\is-0B730.tmp
- %Program Files%\DNS Unlocker\is-NQIE0.tmp
- %Program Files%\DNS Unlocker\is-4GB98.tmp
- %Program Files%\DNS Unlocker\is-0MG6L.tmp
- %Program Files%\DNS Unlocker\is-FGS3U.tmp
- %Program Files%\DNS Unlocker\is-4H09L.tmp
- %Program Files%\DNS Unlocker\is-JQ86F.tmp
- %Program Files%\DNS Unlocker\is-MRMNO.tmp
- %Program Files%\DNS Unlocker\is-JCAKC.tmp
- %Program Files%\DNS Unlocker\is-PSE2S.tmp
- %Program Files%\DNS Unlocker\is-5577I.tmp
- %Program Files%\DNS Unlocker\is-REKC9.tmp
- %Program Files%\DNS Unlocker\is-H6B63.tmp
- %Windows%\Tasks\DNSPARISH.job
- %Program Files%\DNS Unlocker\settings.ini
(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000, XP y Server 2003 suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp).
. %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).. %Windows% es la carpeta de Windows, que suele estar en C:\Windows o C:\WINNT).)
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
Eliminar esta clave 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
- 5da059a482fd494db3f252126fbc3d5b
- In HKEY_LOCAL_MACHINE\Software\5da059a482fd494db3f252126fbc3d5b
- Settings
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- {E1527582-8509-4011-B922-29E3FB548882}_is1
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates
- 26D9E607FFF0C58C7844B47FF8B6E079E5A2220E
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\5da059a482fd494db3f252126fbc3d5b
- FX = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
- SDP1 = "00001"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
- SDP2 = "00001"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
- UID = "4215e9a92c8f40eeb87f47e25dd1ca6b"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
- DP = "51"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b\Settings
- InstallPath = "%Program Files%\DNS Unlocker"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Inno Setup: Setup Version = "5.5.5 (a)"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Inno Setup: App Path = "%Program Files%\DNS Unlocker"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- InstallLocation = "%Program Files%\DNS Unlocker"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Inno Setup: Icon Group = "DNS Unlocker"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Inno Setup: User = "Wilbert"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Inno Setup: Language = "english"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- DisplayName = "DNS Unlocker version 1.4"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- UninstallString = "%Program Files%\DNS Unlocker\unins000.exe "
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- QuietUninstallString = "%Program Files%\DNS Unlocker\unins000.exe /SILENT"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- DisplayVersion = "1.4"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- Publisher = "www.dnsunlocker.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- NoRepair = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- InstallDate = "20160112"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- MajorVersion = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1
- MinorVersion = "4"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\26D9E607FFF0C58C7844B47FF8B6E079E5A2220E
- Blob = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b
- status = "1"
Step 4
Buscar y eliminar estos archivos
- %User Temp%\is-b4thv.tmp\{malware file name}.tmp
- %User Temp%\is-GFV3R.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-GFV3R.tmp\ConsoleApplication1.dll
- %User Temp%\is-GFV3R.tmp\config_tmp.ini
- %Program Files%\DNS Unlocker\unins000.dat
- %Program Files%\DNS Unlocker\is-IQEB6.tmp
- %Program Files%\DNS Unlocker\is-BH9O5.tmp
- %Program Files%\DNS Unlocker\is-40728.tmp
- %Program Files%\DNS Unlocker\is-0B730.tmp
- %Program Files%\DNS Unlocker\is-NQIE0.tmp
- %Program Files%\DNS Unlocker\is-4GB98.tmp
- %Program Files%\DNS Unlocker\is-0MG6L.tmp
- %Program Files%\DNS Unlocker\is-FGS3U.tmp
- %Program Files%\DNS Unlocker\is-4H09L.tmp
- %Program Files%\DNS Unlocker\is-JQ86F.tmp
- %Program Files%\DNS Unlocker\is-MRMNO.tmp
- %Program Files%\DNS Unlocker\is-JCAKC.tmp
- %Program Files%\DNS Unlocker\is-PSE2S.tmp
- %Program Files%\DNS Unlocker\is-5577I.tmp
- %Program Files%\DNS Unlocker\is-REKC9.tmp
- %Program Files%\DNS Unlocker\is-H6B63.tmp
- %Windows%\Tasks\DNSPARISH.job
- %Program Files%\DNS Unlocker\settings.ini
Step 5
Buscar y eliminar estas carpetas
- %User Temp%\is-B4THV.tmp
- %User Temp%\is-GFV3R.tmp
- %User Temp%\is-GFV3R.tmp\_isetup
- %Program Files%\DNS Unlocker
Step 6
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como PUA_DNSUnlocker 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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