Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '77e1b7c5b6eafdd731983734c3b8c9f5' = '"%WINDIR%\avg.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '77e1b7c5b6eafdd731983734c3b8c9f5' = '"%WINDIR%\avg.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\avg.exe' = '%WINDIR%\avg.exe:*:Enabled:avg.exe'
Creates and executes the following:
- '%WINDIR%\avg.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\avg.exe" "avg.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\avg.exe
Network activity:
Connects to:
- 'localhost':1177
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'