Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = 'userinit.exe,sqlsrvr.exe,'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
- %WINDIR%\regedit.exe /s sys.reg
Modifies file system :
Creates the following files:
- <Current directory>\sys.reg
- <SYSTEM32>\sqlsrvr.exe
- C:\autorun.exe
- <Current directory>\autorun.inf
- C:\autorun.inf
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
- <SYSTEM32>\sqlsrvr.exe
- <Current directory>\autorun.inf
- C:\autorun.inf
- C:\autorun.exe
Deletes the following files:
- <Current directory>\sys.reg
Miscellaneous:
Searches for the following windows:
- ClassName: 'RegEdit_RegEdit' WindowName: ''
