Win32.HLLW.Autoruner.57126

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

Virus description added: 2011-08-27

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:

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

Creates and executes the following:

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: