Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'mt' = '<SYSTEM32>\vaillo.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Images.exe
- <Drive name for removable media>:\System.exe
- <Drive name for removable media>:\vaillo.exe
- <Drive name for removable media>:\Sounds.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Videos.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Executes the following:
- <SYSTEM32>\attrib.exe +r +h +s e:\autorun.inf
- <SYSTEM32>\attrib.exe +r +h +s z:\autorun.inf
- <SYSTEM32>\reg.exe add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v mt /t REG_SZ /d <SYSTEM32>\vaillo.exe /f
- <SYSTEM32>\attrib.exe +r +h +s c:\autorun.inf
- <SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V ShowSuperHidden /t REG_DWORD /D 0 /f
- <SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V HideFileExt /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V Hidden /t REG_DWORD /d 0 /f
Modifies file system :
Creates the following files:
- <SYSTEM32>\Revo.exe
- <SYSTEM32>\steb.exe
- <SYSTEM32>\Viva.exe
- <SYSTEM32>\Smash.exe
- <SYSTEM32>\Click.exe
- <SYSTEM32>\Honda.exe
- <SYSTEM32>\chalie.exe
- <SYSTEM32>\Fino.exe
- C:\Images.exe
- C:\Videos.exe
- C:\vaillo.exe
- C:\System.exe
- %WINDIR%\system\oeminfo.ini
- %WINDIR%\system\drver.cab.sys
- C:\autorun.inf
- C:\Sounds.exe
- <SYSTEM32>\Heaven.exe
- %WINDIR%\freesex.exe
- %WINDIR%\Kenel32.exe
- %WINDIR%\taskes.exe
- <SYSTEM32>.exe
- <SYSTEM32>\vaillo.exe
- %TEMP%\a67498.bat
- %WINDIR%\Help\KGC.exe
- %WINDIR%\Fonts\limons.ttf
- <SYSTEM32>\God.exe
- %WINDIR%\Media\soundsman.exe
- <SYSTEM32>\War.exe
- <SYSTEM32>\Of.exe
- %WINDIR%\system\driber.exe
- %WINDIR%\suck.exe
- %WINDIR%\Web\GameKhmer.exe
- %WINDIR%\Web\Wallpapers.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- C:\autorun.inf
- %TEMP%\a67498.bat
