Win32.HLLW.Autoruner1.59550

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'Microsoft Windows Update Service' = '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, %APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Microsoft Windows Update Service' = '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe'

Creates the following files on removable media:

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe' = '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe:*:Enabled:Microsoft Windows Update Service'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe' = '%APPDATA%\Microsoft\CA8DC6DDDE1D22127B35B46E227A1C48\svchost.exe:*:Enabled:Microsoft Windows Update Service'

To complicate detection of its presence in the operating system,

forces the system hide from view:

Creates and executes the following:

Injects code into

the following system processes:

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files: