Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rva.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MPMain.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWatch.EXE] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RvaMon.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MPSVC1.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MPSVC2.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MPMon.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MPSVC.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Twister.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SNATask.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NOTEPAD' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\IceSword.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FilMsg.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\gss.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SysWarn.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sloemnit.exe] 'Debugger' = '%WINDIR%\CMD32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
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:
- Registry Editor (RegEdit)
Executes the following:
- '<SYSTEM32>\net1.exe' net start ShellHWDetection
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- \Device\HarddiskVolume3\autorun.inf
- %WINDIR%\CMD32.exe
- <Current directory>\autorun.inf
Sets the 'hidden' attribute to the following files:
- \Device\HarddiskVolume3\autorun.inf
- <Drive name for removable media>:\autorun.inf
- <Current directory>\autorun.inf
- %WINDIR%\CMD32.exe
Deletes the following files:
- <Current directory>\autorun.inf
