Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'networks' = '%WINDIR%\winlogon.exe'
- [<HKLM>\SOFTWARE\Classes\txtfile\shell\open\command] '' = '<DRIVERS>\etc\networks.exe %1'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '<DRIVERS>\etc\networks.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MaxBSLoad' = '<SYSTEM32>\MaxBSLoad.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\AutoRun.inf
- <Drive name for removable media>:\SysWin32.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %WINDIR%\inetinfo.exe
- %WINDIR%\winlogon.exe
Modifies file system :
Creates the following files:
- <DRIVERS>\etc\networks.exe
- C:\AutoRun.inf
- C:\SysWin32.exe
- <SYSTEM32>\MaxBSLoad.exe
- %WINDIR%\ctfmon.exe
- <SYSTEM32>\MSWINSCK.OCX
- %WINDIR%\winlogon.exe
- %WINDIR%\inetinfo.exe
Sets the 'hidden' attribute to the following files:
- C:\SysWin32.exe
- C:\AutoRun.inf
- <Drive name for removable media>:\SysWin32.exe
- <Drive name for removable media>:\AutoRun.inf
- <DRIVERS>\etc\networks.exe
- %WINDIR%\inetinfo.exe
- %WINDIR%\ctfmon.exe
- <SYSTEM32>\MaxBSLoad.exe
- %WINDIR%\winlogon.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: 'QQ????'
- ClassName: 'GxWindowClassD3d' WindowName: ''
- ClassName: 'Indicator' WindowName: ''