“I know that Trojan horse virus is dangerous to the computer, but are there any different properties of Trojan.PUP.Optional.FileScout.A?” The following post gives you a full description of Trojan.PUP.Optional.FileScout.A and provides a guide to remove it completely.

Trojan.PUP.Optional.FileScout.A Description

Trojan.PUP.Optional.FileScout.A is a dangerous infection that belongs to the Trojan horse family. It is bundled with free programs on the Internet. When users download programs from the Internet, Trojan.PUP.Optional.FileScout.A comes and is installed together. Other downloads such as TV shows, movies and spam email attachments will also be bundled with Trojan.PUP.Optional.FileScout.A. Unsafe web sites and sponsors links can contain this kind of virus. So users have to be very careful when searching the Internet.

Trojan.PUP.Optional.FileScout.A causes many problems to the computer. System works weirdly once infected. The most obvious problem caused is on the browsers. Homepages are hijacked by random web sites. New tabs open automatically and take users to unfamiliar web sites. Searching results are redirected to suspended web sites. All browsers, including Internet Explorer, Google Chrome and Firefox, can be infected. In a word, users cannot surf the Internet normally.

Computers work slowly if it is infected with Trojan.PUP.Optional.FileScout.A because it drops piles of malicious files and registry entries to the computer, which take a large space of CUP usage and mess up the system running seriously. Users notice that some files in the computer cannot be found; however, new files with random names appear. Programs are nonresponsive suddenly, and cannot be open at all sometimes. What is more, Trojan.PUP.Optional.FileScout.A will open a backdoor on the compromised computer and invites other viruses and infections to attack the target computers. The most dangerous property of Trojan.PUP.Optional.FileScout.A is that it can connect the infected computer to a remote server. In this way, the infected computer may be taken control by hackers and cyber criminals, and users’ sensitive data and private information may be stolen by hackers for illegal purpose. Therefore, to protect the computer and personal information, users have to remove the dangerous Trojan.PUP.Optional.FileScout.A as soon as possible if their computer has been infected with it.

Harmful Properties of Trojan.PUP.Optional.FileScout.A

  1. Trojan.PUP.Optional.FileScout.A attacks your computer without any of your permission;
  2. Trojan.PUP.Optional.FileScout.A causes browser problems such as homepage hijacker, random web sites pop up and redirection problem;
  3. Trojan.PUP.Optional.FileScout.A degrades the computer performance and slow down the running speed;
  4. Trojan.PUP.Optional.FileScout.A drops its malicious files and registry entries to the infected system;
  5. Trojan.PUP.Optional.FileScout.A disables some useful programs;
  6. Trojan.PUP.Optional.FileScout.A invites other infections to the computer;
  7. Trojan.PUP.Optional.FileScout.A connects the infected computer to a remote server and steals users’ private information.

Here are two effective methods – Manual removal guide and Automatic removal instruction, choose one of the methods to get rid of Trojan.PUP.Optional.FileScout.Aright now!

Method One: Trojan.PUP.Optional.FileScout.Amanual removal instruction:

Step one: Restart the computer and put it in Safe mode with Networking in win8.
Press Alt+Ctrl+Delete keys together. You will see a blue screen with a power icon at the bottom right corner
Hold Shift key on the keyboard and click on power button and select “Restart”
Then you will get 3 options
Select “Troubleshoot” with arrow keys
You will then get into another screen with another 3 options
Then select “Advanced options” -> Please select “Startup Settings”
You will see a “Restart” button at the bottom right of the screen
Hit F5 to get into “Safe Mode with Networking”

Step two: Show hidden files and folders in win 8.

1. Start screen >> Control Panel >> Appearance and Personalization >> Folder Options

2. The Folder Options box pops up >> Check Show hidden files, folders, or drives >> Apply

Step three: End all the harmful Processes in win 8:

Press Ctrl+Alt+Delete or Ctrl+Shift+Esc >> Click Task Manager >> Right click all the harmful Processes >> End task

Note: If you want to check the background processes, please click More details. Click the processes you want to end, and click End Task.

Step four: Search the infected PC to find out all the malicious files as below and then delete all of them:

%AppData%\<random>.exe
%CommonAppData%\<random>.exe
C:\Windows\Temp\<random>.exe
%temp%\<random>.exe
C:\Program Files\<random>

Step five: Remove vicious registry entries of Trojan.PUP.Optional.FileScout.A:

1.Press Win+R to activate the Run window >> Type “regedit” or “regedit.exe” to the search bar >> Click “Ok” if you are asked if you want to open Registry Editor

2.Find out all the harmful keys, right click them and Delete.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Wpm
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe

Method Two: Automatically remove Trojan.PUP.Optional.FileScout.Ainstruction:

SpyHunter is designed as a simple way for the average computer user to protect their PC from online threats. It is automatically configured to give you the best protection. It provides reliable protection against all kinds of malicious threats including spyware, adware, hijackers, rootkits, and more. You can follow the instructions provided below to download and install SpyHunter successfully, and enjoy the immediate and ongoing protection.

1. Download SpyHunter by clicking the following download link:

2. Double-click on the downloaded file. If asked to allow program to make changes to this computer, click “Yes” button.


3. In this step, please accept the Licence Agreement and click “Next >” button.


4. After the definition database is downloaded, system scan will automatically start.

Video on how to remove Trojan.PUP.Optional.FileScout.A :

Note: if you are not familiar with files, registries and proceses manually removal, to avoid causing any unnecessary damages to your PC, you are advised to choose automatic removal method. With the scan of Spyhunter antivirus software, Trojan.PUP.Optional.FileScout.A and other threats will be removed completely and a fast, clean, and safe PC will come back quickly.


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