Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{16AB9DED-CBAE-1AEE-3EF9-D7FC5BC5E5BA}] 'StubPath' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
- [<HKCU>\Software\Microsoft\Active Setup\Installed Components\{16AB9DED-CBAE-1AEE-3EF9-D7FC5BC5E5BA}] 'StubPath' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Google Tool' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google Tool' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\<Virus name>.exe
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\Diskrun.exe
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\GoogleTool\Google Toolbar.exe' = '%APPDATA%\GoogleTool\Google Toolbar.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\GoogleTool\Google Toolbar.exe" /t REG_SZ /d "%APPDATA%\GoogleTool\Google Toolbar.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to virus>" /t REG_SZ /d "<Full path to virus>:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Modifies file system :
Creates the following files:
- %APPDATA%\GoogleTool\Google Toolbar.exe
- %APPDATA%\GoogleTool\DarkComet Update
- C:\Diskrun.exe
- C:\Autorun.inf
Sets the 'hidden' attribute to the following files:
- <Full path to virus>
- %APPDATA%\GoogleTool\Google Toolbar.exe
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\<Virus name>.exe
- C:\Autorun.inf
- C:\Diskrun.exe
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\Diskrun.exe
Network activity:
Connects to:
- 'ro####.zapto.org':38568
UDP:
- DNS ASK ro####.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
