Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'systemntfy' = '<SYSTEM32>\systemntfy.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\systemntfy.exe' = '<SYSTEM32>\systemntfy.exe:*:Enabled:System'
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>\systemntfy.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\systemntfy.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\systemntfy.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
