Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{73G2FE2G-l3E0-l955-2977-02F2v220Y2v}] 'StubPath' = '%APPDATA%\javaw.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Marios World.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
blocks execution of the following system utilities:
- Command Prompt (CMD)
- Registry Editor (RegEdit)
blocks the following features:
- System Restore (SR)
Creates and executes the following:
- %TEMP%\serverlog.exe
- %TEMP%\runeddos.exe
Modifies file system :
Creates the following files:
- %APPDATA%\javaw.exe
- %TEMP%\serverlog.exe
- %TEMP%\runeddos.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Marios World.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
