Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, killer.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Runonce' = '%WINDIR%\showmyhey.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\New Folder (2).exe
- <Drive name for removable media>:\New Folder.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\showmyhey.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system :
Creates the following files:
- C:\autorun.inf
- %WINDIR%\YahooMessenger.exe
- C:\showmyhey.exe
- C:\New Folder.exe
- C:\New Folder (2).exe
- %WINDIR%\killer.exe
- %TEMP%\xesarpr
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
- %WINDIR%\showmyhey.exe
- %WINDIR%\autorun.inf
Sets the 'hidden' attribute to the following files:
- C:\showmyhey.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\showmyhey.exe
- C:\autorun.inf
- %WINDIR%\killer.exe
- %WINDIR%\showmyhey.exe
- %WINDIR%\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\autorun.inf
- C:\New Folder.exe
- <Drive name for removable media>:\showmyhey.exe
- <Drive name for removable media>:\New Folder.exe
- <Drive name for removable media>:\New Folder (2).exe
- C:\New Folder (2).exe
- %TEMP%\xesarpr
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
- C:\showmyhey.exe
- C:\autorun.inf
Modifies the HOSTS file.
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''