Steps to Delete PUP.Optional.Legacy Virus Permanently

PUP.Optional.Legacy Virus is termed as one of the most dangerous Trojan infections that could easily damage the performance of any Windows based PC. It makes the PC performance very slow so that you cannot perform you daily activities smoothly. The important registry entries and System files are modified and thus many important applications start to malfunction. It allows illegal access to third-party including the cyber-criminals to make unnecessary modifications in the PC settings. The browser settings are totally modified and you will notice a suspicious website as the browser homepage, search-engine provider as well as new-tab URL. During your Online browsing session, you will continuously notice all kinds of manipulative deals, coupons, price-comparisons, alerts and so on. They are risky because it redirects the webpage over suspicious domains and tries to bring so many other severe and perilous infections in the backdoor.

Due to PUP.Optional.Legacy Virus infection on your PC, you will not be able to see the actual contents of webpage that you visit. The original content gets modified and the keyword gets hyperlinked with suspicious commercial domains. The legal advertisements such as Adwords may get replaced with bogus advertisements schemes. You will be tricked to download multiple plug-ins and unnecessary extensions in the browser. Your Online activities will be continuously traced by cyber-criminals. This leads to privacy issues as well as data and identity theft. The cheated data may include your bank account details, password, and username and so on.

How to Protect PC from PUP.Optional.Legacy Virus Attack: It is advised to take some basic precautionary measures as mentioned below.

  • Browse carefully and don’t click on random links and pop-ups while the Online browsing session
  • Read the terms and agreement and privacy policy carefully before download any applications any PC
  • Don’t download unsafe suspicious things such as plug-ins, add-ons etc. in your work-station
  • Always choose advance or custom installation method when you download any type of program in the work-station
  • Upgrade the overall PC security by using a proper and powerful anti-malware tool that has strong scanning algorithm and programming logics

Don’t leave the severe malware infections such as PUP.Optional.Legacy Virus in your work-station for a very long time. Both manual as well as automatic removal process has been broadly discussed below. You have to computer expertise then you may try the manual steps otherwise it is advised to stick to the automatic process and use a powerful anti-malware tool.

Special Offer: 

PUP.Optional.Legacy Virus Virus is a perilous malware. In order to avoid its removal, it hides its payloads and scripts deep inside the PC. You may try downloading SpyHunter Malware Scanner and check if it detects this malware for you.


Go through the SpyHunter’s EULA, Threat Assessment Criteria, and Privacy Policy. You must  note that only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. In order to remove the malware instantly, you have to purchase its full version.

Steps To Remove PUP.Optional.Legacy Virus Virus From Compromised Computer

The infections like PUP.Optional.Legacy Virus Virus or similar ones or those belong to other malware category are all designed to generate with only ill intention to make money for its developers who make use of any technique to force you down. However, most of the security experts associated with different security associations say this is not much harmful browser and can be removed from an infected computer by getting through some steps. If you follow the steps in the same order and with full attention as described in the procedures below, we hope you can also free up your PC easily. It’s recommended to take a hard copy of the guidelines on paper or get another computer to assist you following the steps without any hassles.

Step 1:Track and remove PUP.Optional.Legacy Virus Virus from computer’s processes from task manager.

Step 2:Locate and delete the definition of this program from startup files, registry files, and host files.

Step 3:Removal of PUP.Optional.Legacy Virus Virus from all reputed browsers.

Step 4:Delete PUP.Optional.Legacy Virus Virus with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove PUP.Optional.Legacy Virus Virus from computer’s processes from task manager.

  • Launch the Task Manager by pressing a key combination CTRL+SHIFT+ESC simultaneously.

  • Review the suspicious processes and note down its file location on computer.end-malicious-process

  • Terminate the processes now.

  • Open the “Run” command box and enter the noted down location to open in file explorer.

  • Delete the file permanently.

Step 2: Locate and delete the definition of this program from startup files, registry files, and host files

  • Launch the file explorer or any folder from my computer.

  • Click on “View” option in the above Menu (Older Windows version’s user may go to control panel to open “Folder options”)

  • Choose “Folder and Search Options”

  • Click over “View” tab.

  • Scroll down to find “Show hidden files and folders” option, and check it in the check box.

  • Find “Hide protected operating system files” and uncheck it. (This will allow you to see super-hidden files in any folder to identify the suspicious ones.)

  • Click “Apply” then “Ok”

Cleaning PUP.Optional.Legacy Virus Virus definitions from Windows registry

  • To open Windows registry editor, click Win+R combination.

  • Type “regedit” ro simply copy and paste in the command line

  • Press Ok.

  • Navigate to below mentioned registry files depending on your OS versions (32 bit or 64 bit) and delete the files.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or


  • Now Launch the Windows explorer and navigate to %appdata% to find and delete suspicios executable files from there, and close the window.

Fixing Hosts file to block the unwanted redirections on all active browsers

  • Open windows explorer and navigate to Windows directory.

  • Go to System32/drivers/etc/host

  • open the host file and notice it. If the system is hijacked by the infection you would see several IP definitions at the bottom.

  • Select those IP addresses and delete them. (Don’t delete the local host entry)

  • Save and close the file, and exit the explorer window.

Step 3: Removal of PUP.Optional.Legacy Virus Virus from all reputed browsers (Steps included for Chrome, Firefox & Internet Explorer)

Google Chrome

  • Launch Chrome browser.

  • Click over the main menu icon and select Tools or More Tools, then Extensions.

  • Scroll down to notice the list of installed extensions to find suspicious one and click the bin option beside it.

  • Click remove button to confirm the deletion.

  • Finally, Reset the Chrome settings to default leaving nothing behind.

Mozilla Firefox

  • Launch the Firefox and press CTRL+SHIFT+A to open extension Window.

  • Look for the PUP.Optional.Legacy Virus Virus extension and Disable it.

  • Now go to Help section.

  • Click over Troubleshooting information then hit the Reset button.

  • Confirm the act to reset the browser.

Internet Explorer

  • Simply, open the browser and click thee Gear Icon on the upper right corner.

  • Navigate to Internet options and click it.

  • Now, navigate to Toolbars and Extensions, to see the list of installed addons to find unwanted one.

  • Disable or delete the selected extensions permanently.

  • In order to reset the Ie, click over Advanced tab, and click Reset.

  • Press OK button to confirm.

Cleaning the browser’s shortcuts on the computer is also recommended in most of the cases and should be accomplished for all installed browsers, for which the steps are:

  • Select the browser short-cut, and right click on it.

  • Navigate the properties and click it.

  • In the opened window, find the target option, and remove the argument for PUP.Optional.Legacy Virus Virus .

  • Apply the changes.

Step 4: Remove PUP.Optional.Legacy Virus Virus with an automatic solution

Although the removal method through manual instructions are effective and proven to provide the best results, still some of the victimized users may fail to get the results as per their desire. This can happen due to lack of technical consent to access most of the administrative utilities as used in above guidelines. If you also got stuck through the instructions or seeking the safest method which needs not any high end manual steps, then opting an automatic solution could be the best solution. You just need to do a few instructions taken in practice to install and scan the system deeply that will fix all issues and remove PUP.Optional.Legacy Virus Virus completely. The required steps to do so is all here mentioned.

Special Offer: 


PUP.Optional.Legacy Virus Virus is a perilous malware. In order to avoid its removal, it hides its payloads and scripts deep inside the PC. You may try downloading SpyHunter Malware Scanner and check if it detects this malware for you.

Step 1:Download and install PUP.Optional.Legacy Virus Virus removal tool and install it on your computer (Note:this is a free scanner that will detect the present malwares on your system only. In order to fix the threats completely, you would have to buy its full version to remove the threats.)

Step 1

Step 2: After the installation is finished, run the scanner and you will see the two options as depicted in the image below. Click on “Scan Computer Now” button.

Step 2

Step 3: In this step, you would see the scanning process bar with detection of found threats and its short description along-with its categorized thumbnail.

Step 3

Step 4: Lastly, the scanner finishes scanning the computer to show full list of detected threats on computer. Just click on “Fix Threats” button to complete the removal that hardly takes a few moments depending upon the nature and severity level of the malware items.

Step 4