Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{23C44CBD-BD0C-EC7B-DAFB-D4ACEBEDBEDA}] 'StubPath' = '%APPDATA%\googleupdate.exe'
- [<HKCU>\Software\Microsoft\Active Setup\Installed Components\{23C44CBD-BD0C-EC7B-DAFB-D4ACEBEDBEDA}] 'StubPath' = '%APPDATA%\googleupdate.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google Update' = '%APPDATA%\googleupdate.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Google Update' = '%APPDATA%\googleupdate.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Google Update' = '%APPDATA%\googleupdate.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\<File name>.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\googleupdate.exe' = '%APPDATA%\googleupdate.exe:*:Enabled:Wi...
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to file>' = '<Full path to file>:*:Enabled:Windows Messange...
- [<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 "<Full path to file>" /t REG_SZ /d "<Full path to file>:*:Enable...
- '<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\googleupdate.exe" /t REG_SZ /d "%APPDATA%\googleupdat...
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to file>" /t REG_SZ /d "<Full path to file>:*...
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\googleupdate.exe" /t REG_SZ /d "%APPDATA%\goog...
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system:
Creates the following files:
- %APPDATA%\data.dat
- %APPDATA%\googleupdate.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\<File name>.exe
- <Drive name for removable media>:\Autorun.ini
- %APPDATA%\googleupdate.exe
- <Full path to file>
Network activity:
Connects to:
- 'ru#####v001.no-ip.biz':3080
UDP:
- DNS ASK ru#####v001.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'shell_traywnd' WindowName: ''
