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PUA.YouTubeDownGTApp

PUA.YouTubeDownGTApp

Updated:
June 29, 2015
Name:
YTD Video Downloader
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.YouTubeDownGTApp is a potentially unwanted application that downloads other applications onto the computer.

Note: Virus definitions dated June 26, 2015 or earlier detect this threat as YouTubeDownGTApp.

Antivirus Protection Dates

  • Initial Rapid Release version November 17, 2014 revision 002
  • Latest Rapid Release version February 06, 2017 revision 019
  • Initial Daily Certified version December 10, 2014 revision 021
  • Latest Daily Certified version February 07, 2017 revision 001
  • Initial Weekly Certified release date November 19, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
The program must be downloaded and installed manually.

When the program is installed, it creates the following files:
  • %SystemDrive%\Documents and Settings\All Users\Desktop\YTD Video Downloader.lnk
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\YTD Video Downloader\Uninstall.lnk
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\YTD Video Downloader\Web site.url %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\YTD Video Downloader\YTD Video Downloader.lnk
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\COPYING.Apachev2
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv2
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv3 %ProgramFiles%\GreenTree Applications\YTD Video Downloader\FFMPEG.EXE
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1025.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1026.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1029.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1030.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1031.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1032.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1033.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1034.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1035.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1036.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1038.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1040.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1043.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1044.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1045.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1048.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1049.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1050.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1051.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1052.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1053.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1055.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1059.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1060.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res1061.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res2052.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res2070.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res2074.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Lang\res9999.ini
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\librtmp.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\libvlc.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\libvlccore.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\LICENSE
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\manual.bat
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\access\libfilesystem_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libaudio_format_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libtrivial_channel_mixer_plugin.dll %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libugly_resampler_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libfloat_mixer_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libinteger_mixer_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\audio_output\libdirectsound_plugin.dll %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\codec\libavcodec_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\plugins.dat
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\video_filter\libswscale_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdirect3d_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdrawable_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libvmem_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libwingdi_plugin.dll
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\scripts.yds
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\Uninstall.exe
  • %ProgramFiles%\GreenTree Applications\YTD Video Downloader\ytd.exe

Next, the program creates the following registry subkeys:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\DisplayIcon: "C:\Program Files\GreenTree Applications\YTD Video Downloader\ytd.exe,0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\DisplayName: "YTD Video Downloader 4.8.6"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\UninstallString: ""C:\Program Files\GreenTree Applications\YTD Video Downloader\uninstall.exe""
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\Publisher: "GreenTree Applications SRL"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\URLInfoAbout: "http://www.ytddownloader.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\NoModify: 0x00000001
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\NoRepair: 0x00000001
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\InstallDir: "C:\Program Files\GreenTree Applications\YTD Video Downloader\"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\InstallLocation: "C:\Program Files\GreenTree Applications\YTD Video Downloader\"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\MainApp: "C:\Program Files\GreenTree Applications\YTD Video Downloader\ytd.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\VersionMajor: "4"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\VersionMinor: "8"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{1a413f37-ed88-4fec-9666-5c48dc4b7bb7}\DisplayVersion: "4.8.6"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ISN: "5A445121121C4B098F46CE9EB8251ECF"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\: "C:\Program Files\GreenTree Applications\YTD Video Downloader"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\Language: "1033"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\kitType: "ytd"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\NextCheckAutoUpdate: 0x5488FF04
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ConvertDirectory: "C:\Documents and Settings\Administrator\My Documents"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ConversionTypeDwnld: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ConvertQualityDwnld: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\DownloadQuality: 0x00000006
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\DownloadDirectory: "C:\Documents and Settings\Administrator\My Documents"
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\DeleteOriginalFile: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\AutoConvert: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ConversionType: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\ConvertQuality: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\InitialDirectory: ""
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\DeleteAfterConversion: 0x00000000
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\GreenTree Applications\YTD\SameFolderAsDwnlds: 0x00000001
  • HKEY_USERS\S-1-5-21-3867651352-1424935759-6573989-500\Software\{DAF8B7E5-449D-4180-8281-10E536E597F2}\lv: 0x5488564A

After the installation process is complete, the program opens.


The program also downloads the following adware programs and potentially unwanted apps:
  • RocketTab
  • Spigot
  • BrowserSafeGuard
You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.



FOR NORTON USERS
If you are a Norton product user, we recommend you try the following resources to remove this risk.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.


FOR BUSINESS USERS
If you are a Symantec business product user, we recommend you try the following resources to remove this risk.


Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network



MANUAL REMOVAL
The following instructions pertain to all current Symantec antivirus products.


1. Performing a full system scan
How to run a full system scan using your Symantec product


2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.