Mi biblioteca
Mi biblioteca

+ Añadir a la biblioteca

Soporte
Soporte 24 horas | Normas de contactar

Sus solicitudes

Perfil

Win32.HLLW.Autoruner.57126

Added to the Dr.Web virus database: 2011-08-27

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /A'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vousao' = '%HOMEPATH%\vousao.exe /e'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\PYk.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\vousao.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\vousaox.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • %HOMEPATH%\vousao.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\vousao.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\vousao.exe
  • <Drive name for removable media>:\vousaox.exe
  • <Drive name for removable media>:\PYk.ico
  • %HOMEPATH%\vousao.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1253.com':8000
UDP:
  • DNS ASK ns#.##ayer1253.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''