Win32.HLLW.Autoruner.53721

Added to the Dr.Web virus database: 2011-07-09

Virus description added: 2011-07-09

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\lsass.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\lsass.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe %APPDATA%\lsass.exe'

Creates the following files on removable media:

Malicious functions:

Creates and executes the following:

Executes the following:

<SYSTEM32>\netsh.exe firewall add allowedprogram program = %APPDATA%\lsass.exename = Nero mode = ENABLE

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: