Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5f885c99b365c86649b5a9fb31968028' = '"%APPDATA%\scansys.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5f885c99b365c86649b5a9fb31968028' = '"%APPDATA%\scansys.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\scansys.exe' = '%APPDATA%\scansys.exe:*:Enabled:scansys.exe'
Creates and executes the following:
- '%APPDATA%\scansys.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\scansys.exe" "scansys.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\scansys.exe
Network activity:
Connects to:
- '4u###.no-ip.biz':1166
UDP:
- DNS ASK 4u###.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
