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>:\Secret.exe
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\system.exe
- %WINDIR%\userinit.exe
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>:\Secret.exe
- <Drive name for removable media>:\AutoRun.inf
- %WINDIR%\userinit.exe
- <SYSTEM32>\system.exe
Deletes the following files:
- %TEMP%\~DFA116.tmp
Network activity:
Connects to:
- '67.##5.160.76':5050
UDP:
- DNS ASK sc#.##g.yahoo.com
- '<Private IP address>':1037
