Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '%WINDIR%\userinit.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\AutoRun.inf
- <Drive name for removable media>:\forever.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Creates and executes the following:
- '<SYSTEM32>\system.exe'
- '%WINDIR%\userinit.exe'
Executes the following:
- '<SYSTEM32>\wbem\wmiadap.exe' /R /T
Modifies file system :
Creates the following files:
- %WINDIR%\kdcoms.dll
- <SYSTEM32>\system.exe
- %WINDIR%\userinit.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\forever.exe
- <Drive name for removable media>:\AutoRun.inf
- %WINDIR%\userinit.exe
- <SYSTEM32>\system.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
- <SYSTEM32>\wbem\Performance\WmiApRpl.ini
- %TEMP%\~DF2C9F.tmp
