Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}] 'stubpath' = ''
Malicious functions:
Executes the following:
- %WINDIR%\explorer.exe
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'Filemonclass' WindowName: ''
- ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass' WindowName: ''
Modifies file system :
Creates the following files:
- <SYSTEM32>\msn\msnr.exe
- %APPDATA%\addon.dat
Sets the 'hidden' attribute to the following files:
- %APPDATA%\addon.dat
- <SYSTEM32>\msn\msnr.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '18467-41' WindowName: ''
