Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'nontay' = '%WINDIR%\nontay.exe hlmrun'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'non tay' = '%WINDIR%\non tay.exe hcurun'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe %WINDIR%\non tay.exe shell'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '%WINDIR%\nontay.exe init'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe %WINDIR%\non tay.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Non Tay.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\NONTAY.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Creates and executes the following:
- %WINDIR%\non tay.exe first
- %WINDIR%\nontay.exe first
Executes the following:
- %WINDIR%\explorer.exe <Current directory>\<Virus name>
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- %WINDIR%\Resources\Themes\Luna.exe
- %WINDIR%\Resources\Themes\Luna\.exe
- %WINDIR%\Resources\Themes\Luna\Shell.exe
- %WINDIR%\Resources\.exe
- %WINDIR%\Resources\Themes.exe
- %WINDIR%\Resources\Themes\.exe
- %WINDIR%\Resources\Themes\Luna\Shell\.exe
- %WINDIR%\addins\.exe
- C:\Far2.exe
- C:\Far2\Encyclopedia.exe
- %WINDIR%\Resources\Themes\Luna\Shell\Metallic.exe
- %WINDIR%\Resources\Themes\Luna\Shell\Metallic\.exe
- %WINDIR%\addins.exe
- %WINDIR%\Resources.exe
- %WINDIR%\non tay.exe
- <Auxiliary element>
- C:\Non Tay.exe
- C:\NONTAY.exe
- %WINDIR%\nontay.exe
- C:\autorun.inf
- %PROGRAM_FILES%\NetMeeting\.exe
- %WINDIR%.exe
- %WINDIR%\.exe
- %PROGRAM_FILES%.exe
- %PROGRAM_FILES%\.exe
- %PROGRAM_FILES%\NetMeeting.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\Resources\Themes\Luna.exe
- %WINDIR%\Resources\Themes\Luna\.exe
- %WINDIR%\Resources\Themes\.exe
- %WINDIR%\Resources\.exe
- %WINDIR%\Resources\Themes.exe
- %WINDIR%\Resources\Themes\Luna\Shell.exe
- %WINDIR%\addins.exe
- %WINDIR%\addins\.exe
- %WINDIR%\Resources\Themes\Luna\Shell\Metallic\.exe
- %WINDIR%\Resources\Themes\Luna\Shell\.exe
- %WINDIR%\Resources\Themes\Luna\Shell\Metallic.exe
- %WINDIR%\non tay.exe
- <Drive name for removable media>:\autorun.inf
- %WINDIR%\nontay.exe
- C:\NONTAY.exe
- <Drive name for removable media>:\NONTAY.exe
- C:\autorun.inf
- %WINDIR%\.exe
- %WINDIR%\Resources.exe
- %PROGRAM_FILES%\NetMeeting\.exe
- %PROGRAM_FILES%\.exe
- %PROGRAM_FILES%\NetMeeting.exe
Deletes the following files:
- %TEMP%\~DFC2C3.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: ''
