Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ccd7c391eceb9969fc62b91e900eabb1' = '"%WINDIR%\winlogon.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ccd7c391eceb9969fc62b91e900eabb1' = '"%WINDIR%\winlogon.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\ccd7c391eceb9969fc62b91e900eabb1.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\winlogon.exe' = '%WINDIR%\winlogon.exe:*:Enabled:winlogon.exe...
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\winlogon.exe" "winlogon.exe" ENABLE
- '%WINDIR%\winlogon.exe'
Modifies file system:
Creates the following files:
- %WINDIR%\winlogon.exe
Network activity:
Connects to:
- 'localhost':5552
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
