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PUA:Win32/YTDVideoDownload

First posted on 02 July 2016.
Source: Microsoft

Aliases :

There are no other names known for PUA:Win32/YTDVideoDownload.

Explanation :

Installation

This application can be downloaded from websites that offer third-party software downloads. For example, we have seen it downloaded from:

• d1vdt3k7hski9t.cloudfront.net
• www.freerip.com
• dl3.vessoft.com
• freerip.com
• www.flv.com

We have seen this application use the following file names:

• YTDSetup.exe
• YTDSetup (1).exe
• ytd.exe
• FrpSetup.exe
• SetupYTD.exe
• YTDSetup (2).exe
• FreeRIPstub.exe
• VuzeLeapSetup.exe
• YTDInstaller.exe

It can be digitally signed by the following vendors:

• Greentree Applications SRL
• GreenTree Applications srl
• ProInstall Applications SRL
• Azureus Software, Inc.
• Proinstall Applications SRL

We have seen this application using product names such as:

• YTD Video Downloader
• FreeRIP MP3 Converter
• FreeRIP
• FLV.com FLV Downloader
• Vuze Leap

This application communicates with domains such as:

• get.ytddownloader.com
• download.freerip.com
• www.thepdfeditor.com
• download.flv.com
• d3cuuzg6zdm61u.cloudfront.net

For example:

• download.freerip.com/download/FreeRIPsetup.exe?
• download.freerip.com/installers/setup-freeripmp3-frp.exe
• www.thepdfeditor.com/images/pixel.gif?

Payload

Exhibits suspicious behaviors

We have observed this application exhibit the following potentially unwanted behavior on PCs:

• Installs programs that start automatically when your PC starts
• Modifies boot configuration data - This is sometimes used to allow unsigned drivers to be loaded
• Injects into other processes on your system
• Changes your browser's default homepage settings
• Changes your browser's default new tab page settings
• Changes your browser's default search provider settings
• Changes your browser's shortcuts - often this can be used to take over your homepage by adding command-line arguments that change how the page is loaded
• Installs extensions into your browsers - often this is used to inject ads, add toolbars, or change how your browser works
• Changes the Google Chrome secure preferences - this behavior is commonly associated with tampering with the default homepage or search provider in Chrome
• Changes your Internet Explorer proxy auto-configuration setting - we often see this used to inject ads in your browser as you browse the web
• Changes your browser's proxy settings - we often see this used to inject ads into your browser as you browse the web
• Disables User Access Control (UAC) on your system

Installs other programs

We have seen this application install other software on your PC. Some of these applications might be bundled during the installation process and not intended to be installed. We have seen it installing programs such as:

• YTD Video Downloader 5.7
• Malware Protection Live
• Browser Extensions
• FreeRIP MP3 Converter 5.2.0.2
• LINE
• Adobe Flash Player 22 NPAPI
• Google Chrome
• Yahoo! Powered
• FLV.com FLV Downloader 11.4

This description was published using automated analysis.

Last update 02 July 2016

 

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