Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'VmApplet' = 'rundll32 shell32,Control_RunDLL "sysdm.cpl"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SafeMass' = '"%WINDIR%\SafeMass.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,'
Malicious functions:
Executes the following:
- %WINDIR%\explorer.exe c:
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = ''
Modifies file system :
Creates the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''