Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsDll' = '<SYSTEM32>\dll_starter.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsDlls' = '%WINDIR%Dlls\dll_starter.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\dll_starter.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\usb_settings.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
Executes the following:
- '%TEMP%\dll_starter.exe'
Modifies file system:
Creates the following files:
- %WINDIR%Dlls\dll_starter.exe
- <SYSTEM32>\dll_starter.exe
- %TEMP%\aut1.tmp
- %TEMP%\dll_starter.exe
Deletes the following files:
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'ir#.##eenode.net':6667
UDP:
- DNS ASK ir#.##eenode.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
