Win32.HLLW.Autoruner1.11287

Added to the Dr.Web virus database: 2012-02-05

Virus description added: 2012-02-25

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicroUpdate' = '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

blocks the following features:

Creates and executes the following:

Executes the following:

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Miscellaneous:

Searches for the following windows: