Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sys.update' = '%APPDATA%\Microsoft. inc\Setup\1.0.6.2\system.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\setup.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system :
Creates the following files:
- %TEMP%\system.txt
- %TEMP%\system.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\system.txt
- <Drive name for removable media>:\autorun.inf
- %TEMP%\system.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''