Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe WinService.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\CloseWindow.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)
- Windows Task Manager (Taskmgr)
blocks the following features:
- System Restore (SR)
Executes the following:
- <SYSTEM32>\attrib.exe +h +a +s +r S:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r R:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r R:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r T:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r T:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r S:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r P:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r O:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r O:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r Q:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r Q:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r P:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r Y:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r X:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r X:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r Z:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r Z:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r Y:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r V:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r U:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r U:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r W:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r W:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r V:\autorun.inf
- <SYSTEM32>\attrib.exe +h +s +a +r N:\autorun.inf
- <SYSTEM32>\attrib.exe +h +s +a +r F:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r F:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r E:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r H:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r G:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r G:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r C:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r C:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r <SYSTEM32>\WinService.exe
- <SYSTEM32>\attrib.exe +h +a +s +r E:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r <Drive name for removable media>:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r L:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r L:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r K:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r N:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r M:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r M:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r I:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r I:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r H:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r K:\CloseWindow.exe
- <SYSTEM32>\attrib.exe +h +s +a +r J:\autorun.inf
- <SYSTEM32>\attrib.exe +h +a +s +r J:\CloseWindow.exe
Modifies settings of Windows Explorer:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoRun' = '00000001'
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\CloseWindow.exe
- <SYSTEM32>\WinService.exe
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\CloseWindow.exe
- <Drive name for removable media>:\autorun.inf
- <Full path to virus>
- <SYSTEM32>\WinService.exe
- C:\CloseWindow.exe