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PUA:Win32/DownloadAdmin


First posted on 22 June 2016.
Source: Microsoft

Aliases :

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

Explanation :

Installation

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

  • evd.downloading14.com
  • download.ezsoftdownloads.com
  • int12.cdn.hw.integrateddebug.info
  • int.cdn.hw.linkmethod.info
  • intva31.scitap.info


We have seen this application use the following file names:
  • setup.exe
  • Setup.exe
  • vlcmediaplayer-setup.exe
  • uplayermediaplayer-setup.exe
  • Download.Setup_s.exe
  • java_installer.exe
  • flashplayerpro-setup.exe
  • Garmin-Express.exe
  • openofficesuite-setup.exe
  • Setup_v3.206.exe


It can be digitally signed by the following vendors:
  • Zen Bros Media
  • Downtown Media
  • Download Assistant
  • Sivently SRL
  • CBS Interactive


We have seen this application using product names such as:
  • Razor Edge Media
  • 7-Zip
  • PDF Reader (Soda)
  • Spiral Media
  • CI_utility


This application communicates with domains such as:
  • service.downloadadmin.com
  • mirror.downloadnet1210.com
  • intva6.routinetrends.com
  • intva31.homelandcustom.info


For example:
  • intva6.routinetrends.com/dl-pure?
  • intva31.homelandcustom.info/dl-pure?
  • service.downloadadmin.com/checksuminstall?


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
  • 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 default search provider settings
  • Changes your browser's shortcuts - this can be often used to take over your homepage by adding command-line arguments that change how the page is loaded
  • Installs extensions into your browsers - this is often used to inject ads, add toolbars, or change how your browser works
  • Changes your Internet Explorer proxy auto-configuration setting - we often see this used to inject ads in your browser as you browse the web
  • Registers a Layered Service Provider (LSP) to intercept network traffic - this is commonly used to inject ads into your browsers
  • Modifies your DNS settings - we sometimes see this used to inject ads into your browser as you browse the web


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:
  • One System Care
  • PremierOpinion
  • Search Expanse
  • eShield Browser Security
  • System Healer
  • KNCTR
  • 西瓜
  • TidyNetwork
  • Opera Stable 37.0.2178.54
  • Web Companion


This description was published using automated analysis.

Last update 22 June 2016

 

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