TROJ_RANSOM.YMKJ
Found Win32/DH{AAE2NYESfWJk} (AVG)
Windows
Tipo de malware
Trojan
Destructivo?
No
Cifrado
In the Wild:
Sí
Resumen y descripción
Elimina archivos para impedir la ejecución correcta de programas y aplicaciones.
Detalles técnicos
Instalación
Crea las carpetas siguientes:
- %System Root%\winlogtmp
(Nota: %System Root% es la carpeta raíz, normalmente C:\. También es la ubicación del sistema operativo).
)Otras modificaciones del sistema
Elimina los archivos siguientes:
- %User Profile%\Sample Pictures\Blue hills.jpg
- %User Profile%\Sample Pictures\Sunset.jpg
- %User Profile%\Sample Pictures\Water lilies.jpg
- %User Profile%\Sample Pictures\Winter.jpg
- %User Profile%\Internet Explorer\brndlog.txt
- %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML
- %User Profile%\Templates\excel.xls
- %User Profile%\Templates\excel4.xls
- %User Profile%\Templates\powerpnt.ppt
- %User Profile%\Templates\winword.doc
- %User Profile%\Templates\winword2.doc
- %User Profile%\Cookies\wilbert@atdmt[2].txt
- %User Profile%\Cookies\wilbert@bing[2].txt
- %User Profile%\Cookies\wilbert@c.atdmt[2].txt
- %User Profile%\Cookies\wilbert@c.msn[2].txt
- %User Profile%\Cookies\wilbert@doubleclick[1].txt
- %User Profile%\Cookies\wilbert@microsoft[1].txt
- %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt
- %User Profile%\Cookies\wilbert@msn[2].txt
- %User Profile%\Cookies\wilbert@scorecardresearch[2].txt
- %User Profile%\Cookies\wilbert@www.bing[2].txt
- %User Profile%\Cookies\wilbert@www.msn[1].txt
Rutina de infiltración
Infiltra los archivos siguientes:
- SoundPrologik.exe
- qwin.bat
- Norton Nimnul
- pubring.pgp
- randseed.bin
- pgp.ex
- ren.bat
- FatCat
- systram.exe
- %User Temp%\FatCat.$00
- %User Temp%\FatCat.$01
- %User Temp%\FatCat.$02
- FatCat.asc
- %User Profile%\Sample Pictures\Blue hills.jpg.CHIP
- %User Profile%\Sample Pictures\Blue hills.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Sunset.jpg.CHIP
- %User Profile%\Sample Pictures\Sunset.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Water lilies.jpg.CHIP
- %User Profile%\Sample Pictures\Water lilies.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Winter.jpg.CHIP
- %User Profile%\Sample Pictures\Winter.jpg.CHIPDALE
- %User Profile%\Internet Explorer\brndlog.txt.CHIP
- %User Profile%\Internet Explorer\brndlog.txt.CHIPDALE
- %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.CHIP
- %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.CHIPDALE
- %User Profile%\Templates\excel.xls.CHIP
- %User Profile%\Templates\excel.xls.CHIPDALE
- %User Profile%\Templates\excel4.xls.CHIP
- %User Profile%\Templates\excel4.xls.CHIPDALE
- %User Profile%\Templates\powerpnt.ppt.CHIP
- %User Profile%\Templates\powerpnt.ppt.CHIPDALE
- %User Profile%\Templates\winword.doc.CHIP
- %User Profile%\Templates\winword.doc.CHIPDALE
- %User Profile%\Templates\winword2.doc.CHIP
- %User Profile%\Templates\winword2.doc.CHIPDALE
- %User Profile%\Cookies\wilbert@atdmt[2].txt.CHIP
- %User Profile%\Cookies\wilbert@atdmt[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@bing[2].txt.CHIP
- %User Profile%\Cookies\wilbert@bing[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@c.atdmt[2].txt.CHIP
- %User Profile%\Cookies\wilbert@c.atdmt[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@c.msn[2].txt.CHIP
- %User Profile%\Cookies\wilbert@c.msn[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@doubleclick[1].txt.CHIP
- %User Profile%\Cookies\wilbert@doubleclick[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@microsoft[1].txt.CHIP
- %User Profile%\Cookies\wilbert@microsoft[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt.CHIP
- %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@msn[2].txt.CHIP
- %User Profile%\Cookies\wilbert@msn[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@scorecardresearch[2].txt.CHIP
- %User Profile%\Cookies\wilbert@scorecardresearch[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@www.bing[2].txt.CHIP
- %User Profile%\Cookies\wilbert@www.bing[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@www.msn[1].txt.CHIP
- %User Profile%\Cookies\wilbert@www.msn[1].txt.CHIPDALE
- %User Profile%\Sample Pictures\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Internet Explorer\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %Application Data%\Microsoft\Windows Media\9.0\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Templates\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Cookies\! Ñïåøèì íà ïîìîùü Wilbert.tXT
Soluciones
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
Buscar y eliminar estos archivos
- SoundPrologik.exe
- qwin.bat
- Norton Nimnul
- pubring.pgp
- randseed.bin
- pgp.ex
- ren.bat
- FatCat
- systram.exe
- %User Temp%\FatCat.$00
- %User Temp%\FatCat.$01
- %User Temp%\FatCat.$02
- FatCat.asc
- %User Profile%\Sample Pictures\Blue hills.jpg.CHIP
- %User Profile%\Sample Pictures\Blue hills.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Sunset.jpg.CHIP
- %User Profile%\Sample Pictures\Sunset.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Water lilies.jpg.CHIP
- %User Profile%\Sample Pictures\Water lilies.jpg.CHIPDALE
- %User Profile%\Sample Pictures\Winter.jpg.CHIP
- %User Profile%\Sample Pictures\Winter.jpg.CHIPDALE
- %User Profile%\Internet Explorer\brndlog.txt.CHIP
- %User Profile%\Internet Explorer\brndlog.txt.CHIPDALE
- %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.CHIP
- %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.CHIPDALE
- %User Profile%\Templates\excel.xls.CHIP
- %User Profile%\Templates\excel.xls.CHIPDALE
- %User Profile%\Templates\excel4.xls.CHIP
- %User Profile%\Templates\excel4.xls.CHIPDALE
- %User Profile%\Templates\powerpnt.ppt.CHIP
- %User Profile%\Templates\powerpnt.ppt.CHIPDALE
- %User Profile%\Templates\winword.doc.CHIP
- %User Profile%\Templates\winword.doc.CHIPDALE
- %User Profile%\Templates\winword2.doc.CHIP
- %User Profile%\Templates\winword2.doc.CHIPDALE
- %User Profile%\Cookies\wilbert@atdmt[2].txt.CHIP
- %User Profile%\Cookies\wilbert@atdmt[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@bing[2].txt.CHIP
- %User Profile%\Cookies\wilbert@bing[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@c.atdmt[2].txt.CHIP
- %User Profile%\Cookies\wilbert@c.atdmt[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@c.msn[2].txt.CHIP
- %User Profile%\Cookies\wilbert@c.msn[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@doubleclick[1].txt.CHIP
- %User Profile%\Cookies\wilbert@doubleclick[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@microsoft[1].txt.CHIP
- %User Profile%\Cookies\wilbert@microsoft[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt.CHIP
- %User Profile%\Cookies\wilbert@msnportal.112.2o7[1].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@msn[2].txt.CHIP
- %User Profile%\Cookies\wilbert@msn[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@scorecardresearch[2].txt.CHIP
- %User Profile%\Cookies\wilbert@scorecardresearch[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@www.bing[2].txt.CHIP
- %User Profile%\Cookies\wilbert@www.bing[2].txt.CHIPDALE
- %User Profile%\Cookies\wilbert@www.msn[1].txt.CHIP
- %User Profile%\Cookies\wilbert@www.msn[1].txt.CHIPDALE
- %User Profile%\Sample Pictures\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Internet Explorer\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %Application Data%\Microsoft\Windows Media\9.0\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Templates\! Ñïåøèì íà ïîìîùü Wilbert.tXT
- %User Profile%\Cookies\! Ñïåøèì íà ïîìîùü Wilbert.tXT
Step 3
Buscar y eliminar esta carpeta
- %System Root%\winlogtmp
Step 4
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como TROJ_RANSOM.YMKJ 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!