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PUA.Win32.YTDownloader.AO

March 24, 2020
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

10,363,864 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

24 Mar 2020

Arrival Details

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Potentially Unwanted Application adds the following processes:

  • "%Windows%\explorer.exe" "http://www.{BLOCKED}nloader.com/thankyou.html?{random characters}"
  • "%Windows%\explorer.exe" "%Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe"

It creates the following folders:

  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer
  • %All Users Profile%\Microsoft\Windows\Start Menu
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output
  • %Program Files%\GreenTree Applications
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins
  • %User Profile%\AppData
  • %Program Files%\GreenTree Applications\YTD Video Downloader
  • %All Users Profile%\Microsoft
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_filter
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\codec
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader
  • %System Root%\Users
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\access
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_output
  • %All Users Profile%\Microsoft\Windows

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other System Modifications

This Potentially Unwanted Application deletes the following folders:

  • %User Temp%\nstA0C3.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following registry entries:

HKEY_CURRENT_USER\Software\GreenTree Applications\
YTD
ISN = "AD7BB1D300554C8B8162FE5A5F172316"

HKEY_CURRENT_USER\Software\GreenTree Applications\
YTD
(Default) = "%Program Files%\GreenTree Applications\YTD Video Downloader"

HKEY_CURRENT_USER\Software\GreenTree Applications\
YTD
Language = "1033"

HKEY_CURRENT_USER\Software\GreenTree Applications\
YTD
kitType = "ytdd"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
DisplayIcon = "%Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe,0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
DisplayName = "YTD Video Downloader 5.9.15"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
UninstallString = "%Program Files%\GreenTree Applications\YTD Video Downloader\uninstall.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
Publisher = "GreenTree Applications SRL"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
URLInfoAbout = "http://www.{BLOCKED}nloader.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
InstallDir = "%Program Files%\GreenTree Applications\YTD Video Downloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
InstallLocation = "%Program Files%\GreenTree Applications\YTD Video Downloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
MainApp = "%Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
VersionMajor = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
VersionMinor = "9"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{{GUID}}
DisplayVersion = "5.9.15"

HKEY_LOCAL_MACHINE\SOFTWARE\{DAF8B7E5-449D-4180-8281-10E536E597F2}
(Default) = "5.9.15"

HKEY_LOCAL_MACHINE\SOFTWARE\{DAF8B7E5-449D-4180-8281-10E536E597F2}
it = "20191124051333"

Dropping Routine

This Potentially Unwanted Application drops the following files:

  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1061.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1025.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libwingdi_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\codec\libavcodec_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.Apachev2
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libinteger_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1044.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1035.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_filter\libswscale_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1033.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1030.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\access\libfilesystem_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\scripts.yds
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv3
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Uninstall.exe
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1045.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1055.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2074.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\FFMPEG.EXE
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1040.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1031.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1032.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res9999.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1060.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\LICENSE
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\Web site.url
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\Uninstall.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2052.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_output\libdirectsound_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1048.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdirect3d_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\libvlc.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\libvlccore.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1038.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2070.ini
  • %System Root%\Users\Public\Desktop\YTD Video Downloader.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1052.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1053.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libtrivial_channel_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1043.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1050.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv2
  • %Program Files%\GreenTree Applications\YTD Video Downloader\manual.bat
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1026.ini
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\YTD Video Downloader.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1059.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libfloat_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libaudio_format_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\librtmp.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1034.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1051.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libugly_resampler_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1049.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdrawable_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libvmem_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1029.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1036.ini

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://www.{BLOCKED}nloader.com/images/pixel.gif?{random characters}
  • http://download.{BLOCKED}nloader.com/offers/offers.php?id=avast
  • http://www.{BLOCKED}nloader.com/thankyou.html?{random characters}
  • http://www.{BLOCKED}nloader.com/styles.css?202003201
  • http://www.{BLOCKED}nloader.com/ads/sah/win199.php?{random characters}
  • http://www.{BLOCKED}nloader.com/js/main.js
  • http://ajax.{BLOCKED}apis.com/ajax/libs/jquery/1.9.1/jquery.min.js
  • http://www.{BLOCKED}ridge.com/js/show_ads_supp.js?pubId=5742
  • http://www.{BLOCKED}-analytics.com/ga.js
  • http://www.{BLOCKED}ridge.com/ads-sync.js?{random characters}
  • http://www.{BLOCKED}nloader.com/images/sprite.png
  • http://www.{BLOCKED}ridge.com/no-impression.gif?{random characters}
  • http://www.{BLOCKED}nloader.com/favicon.ico
  • http://www.{BLOCKED}nloader.com/nag/sah/offer_sah199.php?{random characters}
  • http://www.{BLOCKED}nloader.com/ads/spacer.gif
  • http://ajax.{BLOCKED}apis.com/ajax/libs/jquery/1.3.2/jquery.min.js
  • http://www.{BLOCKED}-analytics.com/r/__utm.gif?{random characters}
  • http://www.{BLOCKED}nloader.com/nag/sah/sah199-bg-win.gif
  • http://www.{BLOCKED}nloader.com/nag/sah/sah-btn.png
  • http://www.{BLOCKED}-analytics.com/__utm.gif?{random characters}
  • http://go.{BLOCKED}oft.com
  • http://api.{BLOCKED}g.com
  • http://www.{BLOCKED}g.com
  • http://s7.{BLOCKED}s.com
  • http://www.{BLOCKED}tagmanager.com
  • http://connect.{BLOCKED}ok.net
  • http://z.{BLOCKED}s.com
  • http://v1.{BLOCKED}sedge.com
  • http://m.{BLOCKED}s.com
  • http://api-public.{BLOCKED}s.com
  • http://stats.{BLOCKED}g.doubleclick.net

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as PUA.Win32.YTDownloader.AO

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\GreenTree Applications\YTD
    • ISN = "AD7BB1D300554C8B8162FE5A5F172316"
  • In HKEY_CURRENT_USER\Software\GreenTree Applications\YTD
    • (Default) = "%Program Files%\GreenTree Applications\YTD Video Downloader"
  • In HKEY_CURRENT_USER\Software\GreenTree Applications\YTD
    • Language = "1033"
  • In HKEY_CURRENT_USER\Software\GreenTree Applications\YTD
    • kitType = "ytdd"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • DisplayIcon = "%Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe,0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • DisplayName = "YTD Video Downloader 5.9.15"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • UninstallString = "%Program Files%\GreenTree Applications\YTD Video Downloader\uninstall.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • Publisher = "GreenTree Applications SRL"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • URLInfoAbout = "http://www.{BLOCKED}nloader.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • InstallDir = "%Program Files%\GreenTree Applications\YTD Video Downloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • InstallLocation = "%Program Files%\GreenTree Applications\YTD Video Downloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • MainApp = "%Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • VersionMajor = "5"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • VersionMinor = "9"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{{GUID}}
    • DisplayVersion = "5.9.15"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{DAF8B7E5-449D-4180-8281-10E536E597F2}
    • (Default) = "5.9.15"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\{DAF8B7E5-449D-4180-8281-10E536E597F2}
    • it = "20191124051333"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1061.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1025.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libwingdi_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\codec\libavcodec_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.Apachev2
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libinteger_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1044.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1035.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_filter\libswscale_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1033.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1030.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\ytd.exe
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\access\libfilesystem_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\scripts.yds
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv3
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Uninstall.exe
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1045.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1055.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2074.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\FFMPEG.EXE
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1040.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1031.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1032.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res9999.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1060.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\LICENSE
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\Web site.url
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\Uninstall.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2052.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_output\libdirectsound_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1048.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdirect3d_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\libvlc.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\libvlccore.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1038.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res2070.ini
  • %System Root%\Users\Public\Desktop\YTD Video Downloader.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1052.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1053.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libtrivial_channel_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1043.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1050.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\COPYING.LGPLv2
  • %Program Files%\GreenTree Applications\YTD Video Downloader\manual.bat
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1026.ini
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader\YTD Video Downloader.lnk
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1059.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer\libfloat_mixer_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libaudio_format_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\librtmp.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1034.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1051.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter\libugly_resampler_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1049.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libdrawable_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output\libvmem_plugin.dll
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1029.ini
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang\res1036.ini

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Program Files%\GreenTree Applications\YTD Video Downloader\Lang
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_mixer
  • %All Users Profile%\Microsoft\Windows\Start Menu
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_output
  • %Program Files%\GreenTree Applications
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins
  • %User Profile%\AppData
  • %Program Files%\GreenTree Applications\YTD Video Downloader
  • %All Users Profile%\Microsoft
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\video_filter
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_filter
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\codec
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs
  • %All Users Profile%\Microsoft\Windows\Start Menu\Programs\YTD Video Downloader
  • %System Root%\Users
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\access
  • %Program Files%\GreenTree Applications\YTD Video Downloader\plugins\audio_output
  • %All Users Profile%\Microsoft\Windows

Step 6

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.YTDownloader.AO. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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