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PUA:Win32/InstallCore

First posted on 22 June 2016.
Source: Microsoft

Aliases :

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

Explanation :

Installation

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

• www.newclearchuckle.com
• www.stocktagfiles.com
• www.todaycontentcity.com
• www.vaultsfactorycentral.com
• www.capitalappsbest.com

We have seen this application use the following file names:

• FlashPlayerPro.exe
• Flash_Update.exe
• HDSetup.exe
• FlvPlayerSetup.exe
• MediaDownloaderSetup.exe
• FYD_Setup.exe
• JavaPlugin.exe
• installer.exe
• Setup.exe
• bluestacks-2.exe

It can be digitally signed by the following vendors:

• GERYON ADS SL.
• Webcellence Ltd.
• Desktop Enhancement
• LLC "IT SOFT"
• FunnelOpti (Alpha Criteria Ltd.)

We have seen this application using product names such as:

• Botemesug
• Pokuduson
• Sigeteluk
• DVDVideoSoft
• Bebokekek

This application communicates with domains such as:

• cdneu.dadafarada.com
• cdneu.vittaliacdn.com
• cdneu.gugutug.com
• cdnus.vittaliacdn.com

For example:

• rp.tiviviv.com/?
• info.tiviviv.com/?
• os.tiviviv.com/Vittalia/?

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
• Modifies file associations on your system
• Changes your browser's default homepage settings
• Changes your browser's default new tab page 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
• Changes your Internet Explorer proxy auto-configuration setting - we often see this used to inject ads in your browser as you browse the web
• Disables the Windows Task Manager

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:

• The Desktop Weather 2.0
• VLC media player
• File Type Assistant
• WarThunder
• JDownloader 2
• MediaPlayAir
• Chromium
• Free YouTube Downloader 4.1.515
• BitLord 2.4
• Free YouTube To MP3 Converter

This description was published using automated analysis.

Last update 22 June 2016

 

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