Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '"<Full path to virus>" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '"<Full path to virus>" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Windows Update.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:<Virus name>.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to virus>" "<Virus name>.exe" ENABLE
Network activity:
Connects to:
- 'gu####39.no-ip.info':1177
UDP:
- DNS ASK Gu####39.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
