Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'windows taskbar' = '<SYSTEM32>\Chouf-This.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Images\loool.jpg
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\desktop.ini
Malicious functions:
Creates and executes the following:
- %TEMP%\ir_ext_temp_0\autorun.exe "SFXSOURCE:<Full path to virus>"
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\desktop.ini
- %TEMP%\ir_ext_temp_0\shimgvw.ico
- C:\Images
- %HOMEPATH%\Desktop\loool.jpg
- %WINDIR%\Web\Wallpaper\loool.jpg
- %WINDIR%\loool.jpg
- %TEMP%\ir_ext_temp_0\autorun.exe
- %TEMP%\ir_ext_temp_0\AutoPlay\autorun.cdd
- %TEMP%\ir_ext_temp_0\AutoPlay\Audio\High1.ogg
- %TEMP%\ir_ext_temp_0\AutoPlay\Audio\Click1.ogg
- %TEMP%\ir_ext_temp_0\AutoPlay\Docs\desktop.ini
- %TEMP%\ir_ext_temp_0\AutoPlay\Icons\shimgvw.ico
- %TEMP%\ir_ext_temp_0\AutoPlay\Docs\wprefresh.exe
- %TEMP%\ir_ext_temp_0\AutoPlay\Docs\loool.jpg
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\desktop.ini
- <Drive name for removable media>:\autorun.inf
- C:\desktop.ini
- C:\autorun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
