Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\sm] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\system\sm' = '%WINDIR%\system\sm:*:Enabled:Microsoft Enabled'
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- '%WINDIR%\system\sm'
Searches for windows to
detect programs and games:
- ClassName: 'MSNHiddenWindowClass' WindowName: '(null)'
Modifies file system :
Creates the following files:
- %WINDIR%\system\sm
Sets the 'hidden' attribute to the following files:
- %WINDIR%\system\sm
Deletes itself.
Network activity:
Connects to:
- 'ht##.#nkn0-wn.eu':81
UDP:
- DNS ASK ht##.#nkn0-wn.eu
Miscellaneous:
Searches for the following windows:
- ClassName: 'AIM_CSignOnWnd' WindowName: '(null)'
