How To Remove PUP.Optional.InstallCore Virus (Malware Removal Tips)

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PUP.Optional.InstallCore can keep coming back to your system if its core files are not completely removed. It can do major damage to your system in a very short time. So we recommend you to download the trial version of SpyHunter Malware Scanner to see if it can detect all hidden threats on your system.

Download SpyHunter Anti-Malware To Scan Your PC

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

 

PUP.Optional.InstallCore is a nasty and harassing computer infection identified as adware. This notorious threat is created by hackers to make illegal profit. It is a silent intruder that can sneak into your machine secretly. You will have no idea how you got this virus and why you are getting lots of ads on your PC. Yes, this dubious threat is aimed to show misleading ads on the infected PC to boost the traffic of its partner websites. It can redirect your browser malicious web pages where your system can get infected by more threats and viruses. PUP.Optional.InstallCore virus can infiltrate any Windows PC including XP, Vista, 7, 8 and 10. Once inside your machine, it will also compromise your main browser such as Google Chrome, Mozilla Firefox, MS Edge, Opera, IE and others.

PUP.Optional.InstallCore virus is a dangerous computer malware that can badly damage your system. It mostly infect your machine bundled with free third party programs, installers, cracked software, spam emails, suspicious links, misleading ads, porn or torrent websites and other tricks. Once inside your PC, it can also block your anti-virus and firewall security. This dubious malware infection can also install other potentially harmful programs and viruses on your system. PUP.Optional.InstallCore virus can bombard your desktop with lots of unwanted ads, pop-ups, banners, offers etc. and keep redirecting your browser. It can track your online activities and browsing history to gather your personal details. It can collect your sensitive data like online banking details, credit card number, social media account details, login id, passwords and many more. It can share your details with hackers for making illegal profit. You are advised to remove PUP.Optional.InstallCore virus soon from your computer.

How To Remove PUP.Optional.InstallCore From PC

In order to remove PUP.Optional.InstallCore and all its associated files, you need to go through various removal steps. Keep in mind that it is a nasty malware infection which may have spread its copies at different locations on your system. It is also quite possible that files associated with infection may carry different names. So you must clean your system properly and remove all the core files related to PUP.Optional.InstallCore. scroll down to find a step-by-step removal guide that may be helpful for you in attempt of removing this infection from your computer. Our advice is to combine the steps to get more benefit and have better chances to get rid of this infection. Manual Removal process need some technical expertise otherwise you may end up corrupting your system files. It is better to try the Automatic malware scanner to see if it could find the virus for you.

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PUP.Optional.InstallCore is a notorious PC infection. It can hide deep into your machine to avoid removal. You might want to try downloading SpyHunter Malware Scanner and see if it can detect PUP.Optional.InstallCore for you.

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

Part 1 – Start PC In Safe Mode

  • Click “Windows + R” together to open Run Box.

Win + R

  • Type msconfig and click Ok button.

msconfig

  • Now System Configuration box will get opened on your system.

system configuration box

  • Go to the Boot tab, choose Safe Mode and Click Ok.

safe boot

Part 2 – Kill PUP.Optional.InstallCore Related Process From Task Manager

  • Click “Windows + R” together to open Run Box.

Win + R

  • Type taskmgr and Click Ok button to open task manager.

taskmgr

  • Find malicious process, right click on it and click End Process.

end task

Part 3 – Remove PUP.Optional.InstallCore From Control Panel

Remove PUP.Optional.InstallCore From Windows XP

  • Click on Start button and choose Control Panel.

Win XP start

  • Select Add or Remove Programs option.

Win Xp Cp

  • Find PUP.Optional.InstallCore related program and click on Remove button.

Win XP remove

Remove PUP.Optional.InstallCore From Windows Vista

  • Click on Start button and select the Control Panel Option.

Vista start

  • Select Uninstall a program option from the Programs category.

Vista CP

  • Find PUP.Optional.InstallCore related programs and click on Uninstall button.

Vista remove

Remove PUP.Optional.InstallCore From Windows 7

  • Click on Start button and select Control Panel option.

Win 7 start

  • Choose Uninstall A Program option under Programs section.

win 7 cp

  • Select and remove any malicious program from your system.

Win 7 remove

Remove PUP.Optional.InstallCore From Windows 8/8.1

  • Click “Windows keys + R” together to open Run Box.

Win + R

  • Type appwiz.cpl and click Ok button to open Control Panel.

appwiz.cpl

  • Find and Uninstall any PUP.Optional.InstallCore related malicious program.

Win 8 remove

Remove PUP.Optional.InstallCore From Windows 10

  • Click on Start menu and select Setting option.

Win 10 start

  • Now Click on Apps menu from the screen.

win 10 apps

  • Find any PUP.Optional.InstallCore related malicious program and click Uninstall button.

win 10 remove apps

Part 4 – Remove PUP.Optional.InstallCore From Registry Editor

WARNING! READ CAREFULLY BEFORE PROCEEDING!

Making changes to registry files is very risky. If you delete any wrong file then you may corrupt your system instantly.

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We commonly get asked about this, so we are putting it here: Removing PUP.Optional.InstallCore manually may take hours and damage your system in the process. So, we suggest to download SpyHunter Malware Scanner and see if it can detect PUP.Optional.InstallCore for you. Click Here To Download Spyhunter’s Anti-Malware Scanner.

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

 

  • Click Windows keys + R together to open Run Box.

win + r

  • Type regedit and click Ok button to open Registry Editor.

regedit

  • Find and Remove all registry files created by PUP.Optional.InstallCore infection.

remove reg file

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe “Debugger” = ‘svchost.exe’

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe “Debugger” = ‘svchost.exe’

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PUP.Optional.InstallCore

HKEY_LOCAL_MACHINE\SOFTWARE\PUP.Optional.InstallCore

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\virus name

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnOnHTTPSToHTTPRedirect” = ’0′

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore “DisableSR ” = ’1′

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe “Debugger” = ‘svchost.exe’

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “xas”

HKEY_CURRENT_USER\Software\PUP.Optional.InstallCore

Part 5 – Remove PUP.Optional.InstallCore From Infected Browser

Remove PUP.Optional.InstallCore From Google Chrome

  • Open Google Chrome browser and click on Menu option.
  • Choose More tools and then select Extensions option.
  • Find and Remove PUP.Optional.InstallCore related extensions.

Remove Chrome Extensions

Reset Google Chrome

  • Open Chrome browser and go to “Settings”.
  • Select “Advanced Settings” option from the bottom.
  • Click on “Reset Settings” button finally and restart browser.

Reset Chrome

Remove PUP.Optional.InstallCore From Mozilla Firefox

  • Open Firefox browser, click on Menu and select Add-ons option.
  • Press Extension tab from add-ons Manager page.
  • Find PUP.Optional.InstallCore related extension and click on Remove button.

Remove Firefox add-ons

Reset Mozilla Firefox

  • Open Mozilla Firefox, Click on “Menu” and Select (?) icon.
  • Now press the “Troubleshooting Information” option.
  • Click on “Refresh Firefox” button and confirm your selection.

Reset Firefox

Remove PUP.Optional.InstallCore From Internet Explorer

  • Open IE, click on Gear icon and select Manage Add-ons option.
  • Choose Toolbar and Extensions option from new window.
  • Select PUP.Optional.InstallCore related extension and click on Disable button.

Remove IE add-ons

Reset Internet Explorer

  • Open IE browser > click on “Gear” icon > select “Internet options”.
  • Go to “Advanced” tab and hit the “Reset” button.
  • Choose “Delete personal settings” and press “Reset” button.

Reset IE

Remove PUP.Optional.InstallCore From Microsoft Edge

  • Open MS Edge browser and hit “More” or three dots icon.
  • Select the “Settings” option and click on “Extensions”.
  • Find and remove all unwanted extensions completely.

Remove Edge Extensions

Reset Microsoft Edge

  • Open your Edge browser and go to “settings” option.
  • Now click on the “Choose what to clear” Option.
  • Tick mark “first three options” and click on “Clear” button.

Clear Edge

Remove PUP.Optional.InstallCore From Safari Browser

  • Open Safari browser > Click on Safari menu > select Preferences.
  • Go to the “Extensions” tab to list all the installed extensions.
  • Select and remove malicious program completely.

Remove Safari Extensions

Reset Safari To Default

  • Open “safari” browser > Click on “Safari” menu > select “Reset Safari” option.
  • Select the preferred options you want to clear > finally click on Reset button.

Reset Safari

Very Important – Tips To Prevent PUP.Optional.InstallCore In Future

To avoid any other harmful viruses in future, follow these basic rules while using your computer:

  • Always select Custom Installation while installing any new application.
  • Uncheck any hidden options which attempt to secretly install.
  • Check Windows Firewall security and turn it on.
  • Use a powerful anti-virus program and keep it updated.
  • Scan all downloaded files, applications or email attachments before opening.
  • Never download cracked software, themes and similar products.
  • Do not visit Torrent/adult / porn websites to stay safe online.
  • Keep backup of all your important files and data.
  • Create a system restore point for security purpose.

Special Offer

PUP.Optional.InstallCore can keep coming back to your system if its core files are not completely removed. It can do major damage to your system in a very short time. So we recommend you to download the trial version of SpyHunter Malware Scanner and find out if it can detect all hidden threats on your system.

Download SpyHunter Anti-Malware To Scan Your PC

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

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