Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\mv2] 'Start' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\uvnc_service] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\UVnc\winvnc.exe' = '%PROGRAM_FILES%\UVnc\winvnc.exe:*:Enabled:Suporte Infologika - Assistido'
Creates and executes the following:
- %PROGRAM_FILES%\UVnc\winvnc.exe -service_run
- %PROGRAM_FILES%\UVnc\Drivers\xp\setupdrv.exe install
- %PROGRAM_FILES%\UVnc\winvnc.exe -service
- %PROGRAM_FILES%\UVnc\winvnc.exe -install
- %PROGRAM_FILES%\UVnc\winvnc.exe -startservice
Executes the following:
- <SYSTEM32>\runonce.exe -r
- <SYSTEM32>\cmd.exe /c "%PROGRAM_FILES%\UVnc\Drivers\xp\install.bat"
- <SYSTEM32>\net1.exe start "uvnc_service"
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\UVnc\Drivers\xp64\uninstall_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\xp64\uninstall.bat
- %PROGRAM_FILES%\UVnc\Drivers\xp64\driver\mv2.dll
- %PROGRAM_FILES%\UVnc\Drivers\xp64\driver\mv2.cat
- %PROGRAM_FILES%\UVnc\Drivers\xp64\setupdrv.exe
- %PROGRAM_FILES%\UVnc\Drivers\xp64\install.bat
- %PROGRAM_FILES%\UVnc\Drivers\xp\driver\mv2.sys
- %PROGRAM_FILES%\UVnc\Drivers\xp64\license.txt
- %PROGRAM_FILES%\UVnc\Drivers\xp64\install_silent.bat
- %PROGRAM_FILES%\UVnc\isxdl.dll
- %PROGRAM_FILES%\UVnc\check_install.exe
- %PROGRAM_FILES%\UVnc\ldapauth9x.dll
- %PROGRAM_FILES%\UVnc\ldapauth.dll
- %PROGRAM_FILES%\UVnc\cad.exe
- %PROGRAM_FILES%\UVnc\Drivers\xp64\driver\mv2.sys
- %PROGRAM_FILES%\UVnc\Drivers\xp64\driver\mv2.inf
- %PROGRAM_FILES%\UVnc\authSSP.dll
- %PROGRAM_FILES%\UVnc\authadmin.dll
- %PROGRAM_FILES%\UVnc\Drivers\xp\driver\mv2.inf
- %PROGRAM_FILES%\UVnc\Drivers\w2K\driver\mv2.cat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\uninstall_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\driver\mv2.inf
- %PROGRAM_FILES%\UVnc\Drivers\w2K\driver\mv2.dll
- %PROGRAM_FILES%\UVnc\Drivers\w2K\uninstall.bat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\install_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\install.bat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\setupdrv.exe
- %PROGRAM_FILES%\UVnc\Drivers\w2K\license.txt
- %PROGRAM_FILES%\UVnc\Drivers\xp\uninstall_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\xp\uninstall.bat
- %PROGRAM_FILES%\UVnc\Drivers\xp\driver\mv2.dll
- %PROGRAM_FILES%\UVnc\Drivers\xp\driver\mv2.cat
- %PROGRAM_FILES%\UVnc\Drivers\xp\setupdrv.exe
- %PROGRAM_FILES%\UVnc\Drivers\xp\install.bat
- %PROGRAM_FILES%\UVnc\Drivers\w2K\driver\mv2.sys
- %PROGRAM_FILES%\UVnc\Drivers\xp\license.txt
- %PROGRAM_FILES%\UVnc\Drivers\xp\install_silent.bat
- %PROGRAM_FILES%\UVnc\ldapauthnt4.dll
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\2BF68F4714092295550497DD56F57004
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\2BF68F4714092295550497DD56F57004
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
- %PROGRAM_FILES%\UVnc\exec.log
- %PROGRAM_FILES%\UVnc\Plugins\Whatsnew.txt
- %PROGRAM_FILES%\UVnc\Plugins\testviewer.bat
- %ALLUSERSPROFILE%\Desktop\Suporte InfoLogika.lnk
- %TEMP%\nsc3.tmp\nsisFirewall.dll
- <SYSTEM32>\SETD.tmp
- <DRIVERS>\SETC.tmp
- %TEMP%\Cab10.tmp
- %TEMP%\CabE.tmp
- %WINDIR%\inf\oem3.PNF
- %TEMP%\Cab8.tmp
- %TEMP%\Cab4.tmp
- %WINDIR%\inf\oem3.inf
- %TEMP%\CabA.tmp
- %PROGRAM_FILES%\UVnc\Plugins\testserver.bat
- %PROGRAM_FILES%\UVnc\SCHook.dll
- %PROGRAM_FILES%\UVnc\Readme.txt
- %PROGRAM_FILES%\UVnc\ultravnc.ini
- %PROGRAM_FILES%\UVnc\testauth.exe
- %PROGRAM_FILES%\UVnc\Readme-Licence.txt
- %PROGRAM_FILES%\UVnc\logging.dll
- %PROGRAM_FILES%\UVnc\Licence.txt
- %PROGRAM_FILES%\UVnc\MSLogonACL.exe
- %PROGRAM_FILES%\UVnc\logmessages.dll
- %PROGRAM_FILES%\UVnc\Plugins\Readme_dsm.txt
- %PROGRAM_FILES%\UVnc\Plugins\MSRC4Plugin.dsm
- %PROGRAM_FILES%\UVnc\Plugins\SecureVNCPluginARC4.dsm
- %PROGRAM_FILES%\UVnc\Plugins\SecureVNCPlugin.dsm
- %PROGRAM_FILES%\UVnc\Plugins\Licence.txt
- %PROGRAM_FILES%\UVnc\vnchooks.dll
- %PROGRAM_FILES%\UVnc\uvnc_settings.exe
- %PROGRAM_FILES%\UVnc\workgrpdomnt4.dll
- %PROGRAM_FILES%\UVnc\winvnc.exe
- %PROGRAM_FILES%\UVnc\32\workgrpdomnt4.dll
- %PROGRAM_FILES%\UVnc\32\winvnc.exe
- %PROGRAM_FILES%\UVnc\32\Plugins\MSRC4Plugin.dsm
- %PROGRAM_FILES%\UVnc\32\Plugins\Licence.txt
- %PROGRAM_FILES%\UVnc\32\vnchooks.dll
- %PROGRAM_FILES%\UVnc\32\testauth.exe
- %PROGRAM_FILES%\UVnc\32\logmessages.dll
- %PROGRAM_FILES%\UVnc\32\uvnc_settings.exe
- %PROGRAM_FILES%\UVnc\32\ultravnc.ini
- %PROGRAM_FILES%\UVnc\64\Licence.txt
- %PROGRAM_FILES%\UVnc\32\Plugins\testviewer.bat
- %PROGRAM_FILES%\UVnc\64\SCHook.dll
- %PROGRAM_FILES%\UVnc\64\MSLogonACL.exe
- %PROGRAM_FILES%\UVnc\32\Plugins\testserver.bat
- %PROGRAM_FILES%\UVnc\32\Plugins\SecureVNCPlugin.dsm
- %PROGRAM_FILES%\UVnc\32\Plugins\Readme_dsm.txt
- %PROGRAM_FILES%\UVnc\32\Plugins\Whatsnew.txt
- %PROGRAM_FILES%\UVnc\32\Plugins\SecureVNCPluginARC4.dsm
- %PROGRAM_FILES%\UVnc\32\logging.dll
- %PROGRAM_FILES%\UVnc\32\MSLogonACL.exe
- %PROGRAM_FILES%\UVnc\32\Licence.txt
- %PROGRAM_FILES%\UVnc\32\Readme.txt
- %PROGRAM_FILES%\UVnc\32\Readme-Licence.txt
- %PROGRAM_FILES%\UVnc\abreSuporte.exe
- %TEMP%\nsc3.tmp\System.dll
- %TEMP%\nsw2.tmp
- %TEMP%\nsc3.tmp\Processes.dll
- %TEMP%\nsc3.tmp\ExecDos.dll
- %PROGRAM_FILES%\UVnc\32\ldapauth.dll
- %PROGRAM_FILES%\UVnc\32\isxdl.dll
- %PROGRAM_FILES%\UVnc\32\ldapauthnt4.dll
- %PROGRAM_FILES%\UVnc\32\ldapauth9x.dll
- %PROGRAM_FILES%\UVnc\32\check_install.exe
- %PROGRAM_FILES%\UVnc\32\authSSP.dll
- %PROGRAM_FILES%\UVnc\32\SCHook.dll
- %PROGRAM_FILES%\UVnc\32\cad.exe
- %PROGRAM_FILES%\UVnc\32\authadmin.dll
- %PROGRAM_FILES%\UVnc\64\authSSP.dll
- %PROGRAM_FILES%\UVnc\Drivers\vista\driver\mv2.inf
- %PROGRAM_FILES%\UVnc\Drivers\vista\driver\mv2.dll
- %PROGRAM_FILES%\UVnc\Drivers\vista64\install.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista\driver\mv2.sys
- %PROGRAM_FILES%\UVnc\Drivers\vista\driver\mv2.cat
- %PROGRAM_FILES%\UVnc\Drivers\vista\setupdrv.exe
- %PROGRAM_FILES%\UVnc\Drivers\vista\license.txt
- %PROGRAM_FILES%\UVnc\Drivers\vista\uninstall_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista\uninstall.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista64\driver\mv2.dll
- %PROGRAM_FILES%\UVnc\Drivers\vista64\driver\mv2.cat
- %PROGRAM_FILES%\UVnc\Drivers\vista64\driver\mv2.sys
- %PROGRAM_FILES%\UVnc\Drivers\vista64\driver\mv2.inf
- %PROGRAM_FILES%\UVnc\Drivers\vista64\uninstall_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista64\license.txt
- %PROGRAM_FILES%\UVnc\Drivers\vista64\install_silent.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista64\uninstall.bat
- %PROGRAM_FILES%\UVnc\Drivers\vista64\setupdrv.exe
- %PROGRAM_FILES%\UVnc\Drivers\vista\install_silent.bat
- %PROGRAM_FILES%\UVnc\64\ldapauthnt4.dll
- %PROGRAM_FILES%\UVnc\64\ldapauth9x.dll
- %PROGRAM_FILES%\UVnc\64\testauth.exe
- %PROGRAM_FILES%\UVnc\64\logging.dll
- %PROGRAM_FILES%\UVnc\64\ldapauth.dll
- %PROGRAM_FILES%\UVnc\64\cad.exe
- %PROGRAM_FILES%\UVnc\64\authadmin.dll
- %PROGRAM_FILES%\UVnc\64\isxdl.dll
- %PROGRAM_FILES%\UVnc\64\check_install.exe
- %PROGRAM_FILES%\UVnc\64\Plugins\SecureVNCPlugin64ARC4.dsm
- %PROGRAM_FILES%\UVnc\64\Plugins\SecureVNCPlugin64.dsm
- %PROGRAM_FILES%\UVnc\Drivers\vista\install.bat
- %PROGRAM_FILES%\UVnc\Drivers\INSTALL_X64.txt
- %PROGRAM_FILES%\UVnc\64\workgrpdomnt4.dll
- %PROGRAM_FILES%\UVnc\64\uvnc_settings.exe
- %PROGRAM_FILES%\UVnc\64\ultravnc.ini
- %PROGRAM_FILES%\UVnc\64\winvnc.exe
- %PROGRAM_FILES%\UVnc\64\vnchooks.dll
Deletes the following files:
- %TEMP%\CabE.tmp
- %TEMP%\Cab10.tmp
- %TEMP%\CabA.tmp
- %TEMP%\Cab4.tmp
- %TEMP%\Cab8.tmp
Moves the following files:
- from <SYSTEM32>\SETD.tmp to <SYSTEM32>\mv2.dll
- from <DRIVERS>\SETC.tmp to <DRIVERS>\mv2.sys
Network activity:
Connects to:
- 'www.download.windowsupdate.com':80
- 'wp#d':80
TCP:
HTTP GET requests:
- www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
- www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
- wp#d/wpad.dat
UDP:
- DNS ASK www.download.windowsupdate.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'Software Installation'
- ClassName: '' WindowName: 'Hardware Installation'
- ClassName: 'Shell_TrayWnd' WindowName: ''
