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Remove PUP.Optional.InstallCore / Virus Removal Guide - Improved Removal Guide

removal by Ugnius Kiguolis - - | Type: Adware

PUP.Optional.InstallCore  – a PUP which benefits from produced advertisements 

PUP.Optional.InstallCore PUPPUP.Optional.InstallCore - a potentially unwanted program which installs secretly.

PUP.Optional.InstallCore is adware which profits from numerous intrusive ads. This kind of program is not as harmful as various malware forms but still is considered as a potentially unwanted program (PUP). It invades into the computer system by users giving permission to this action unnoticeably. Once PUP.Optional.InstallCore adware is installed it starts producing various pop-ups, pop-unders, banners, and coupons.

Name PUP.Optional.InstallCore
Type Adware
Sub-type PUP
Danger level Low. Does not damage any other computer systems.
Browsers affected Chrome, Firefox, IE, Edge, Safari.
Deletion Install ReimageIntego to eliminate the dubious app.

Each time you manage to encounter your browser and start surfing the Internet, numerous adverts start overfilling the system and slowing down your browser activity. PUP.Optional.InstallCore virus affects browsers such as:

  • Google Chrome;
  • Mozilla Firefox;
  • Internet Explorer;
  • Microsoft Edge;
  • Safari.

PUP.Optional.InstallCore dubious appPUP.Optional.InstallCore - this adware can collect various details that are related to your browsing experience.

If you want to avoid browser slowdowns you should remove PUP.Optional.InstallCore virus as soon as you spot it. For this purpose, you can download and install an anti-malware tool. We advise using trustworthy help such as ReimageIntego.

Furthermore, developers profit by spreading this program and gain revenue from the pay-per-click method. The wider this adware-type program spreads, the bigger the income is. Better perform the PUP.Optional.InstallCore removal and free your computer from dubious content.

PUP.Optional.InstallCore adware infection

Nevertheless, PUP.Optional.InstallCore adware has one more unwanted feature. It might collect various browsing activity-related details. Such data might include:

  • Bookmarks;
  • Keystrokes;
  • Online sites you visit;
  • IP addresses;
  • Search queries typed in.

PUP.Optional.InstallCore adwarePUP.Optional.InstallCore adware can be avoided if staying away from dubious websites and using only original downloaders.

Gain knowledge about prevention techniques to avoid adware

Due to research, adware often distributes through bundled software. Such PUPs come within a regular program and download together with it. Freeware from secondary sources is not a good option to download and install. Programs which come from third-party sources usually lack protection, do not fit the security requirements and might contain a PUP.

Moreover, adware-type programs come from questionable pages and links you visit. The Internet is filled with dubious websites which might redirect you to harmful content-overloaded ones, and the downloading process of a suspicious-looking program might start straight away without even noticing it.

If you are wondering, how to avoid such unwanted applications, you need to know a few main things. First, use only original software downloaders. However, if you manage to perform the process with a secondary one, go to the Custom/Advanced section and carefully look through all incoming downloads to spot dubious-looking ones, and deselect them all.

Furthermore, another way to prevent adware would be paying attention to visited sites. Especially avoid entering ones that look unrecognizable to you or are provided by secondary sources. For example, various pornography, gambling, adult-dating sites might increase the risk of a PUP infection.

Get rid of PUP.Optional.InstallCore

To remove PUP.Optional.InstallCore virus from browsers such as Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and others, you need to eliminate all adware-added components which include various browser extensions, questionable apps, and browser plug-ins. The instructions for this method are displayed below this text.

Furthermore, to perform the PUP.Optional.InstallCore removal in a quicker way, you will need to download and install an anti-malware tool. Professional help will guarantee you safe and fast elimination. After the work is done, consider carrying out some system backups and refreshing browsers that were infected by the PUP.

You may remove virus damage with a help of ReimageIntego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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Reimage Happiness
Intego Happiness
Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Security Tools
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Security Tools
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.
PUP.Optional.InstallCore adware screenshot
PUP.Optional.InstallCore adware-type program

To remove PUP.Optional.InstallCore, follow these steps:

Uninstall PUP.Optional.InstallCore in Windows systems

Follow the instructions and get rid of the PUP from Windows:

  1. Go to Start Control Panel Programs and Features (if you are Windows XP user, open Add/Remove Programs). Go to 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, open 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, click on Windows icon in the lower left corner of the screen to open Quick Access Menu. Then click Control Panel and select Uninstall a Program. If you are 'Windows 10 / Windows 8' user, click on Windows icon in the lower left corner of the screen to open 'Quick Access Menu'. Then click 'Control Panel' and select 'Uninstall a Program'.
  3. Remove PUP.Optional.InstallCore and programs related to it
    Now, take a look at the list of programs and find PUP.Optional.InstallCore or other programs that you do not remember installing.
  4. Right-click on these programs and select "Uninstall." Then click OK to save changes. Right-click every suspicious program and select 'Uninstall'

Uninstall PUP.Optional.InstallCore in Mac OS X system

  1. Users who use OS X should click on Go button, which can be found at the top left corner of the screen and select Applications. Click on 'Go' to open a drop-down menu and select 'Applications'.
  2. Wait until you see Applications folder and look for PUP.Optional.InstallCore or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on each malicious application and select 'Move to Trash'

Delete PUP.Optional.InstallCore from Internet Explorer (IE)

  1. Delete suspicious browser add-ons
    Launch Internet Explorer, and then open IE by clicking on the Gear icon, which is located at the top right corner of the Internet browser. Then, click Manage Add-ons. Open browser menu and go to 'Manage add-ons'
  2. Manage Add-ons window will appear on your screen. Now, search for PUP.Optional.InstallCore and other questionable browser add-ons. Right-click them on each of them and select Disable. To eliminate malicious applications, right-click on each of them and click 'Disable'
  3. If virus altered your homepage, change it:
    Click the Gear icon at the top right corner of the Internet browser and then click Internet Options. Stay in General section.
  4. Now, delete malicious URL and enter Delete suspicious URL, type in your preferable site name and click 'Apply' to save
  5. Reset all Internet Explorer settings
    Click on Gear icon and then opt for Internet options. Then go to Advanced section.
  6. Click Reset.
  7. A new window appears, and then you have to tick Delete personal settings and click Reset to finalise PUP.Optional.InstallCore removal. In 'Advanced' tab, click 'Reset'. Then tick 'Delete personal settings' and click 'Reset'.

Delete PUP.Optional.InstallCore from Microsoft Edge

Delete all dubious adware-added components from Microsoft Edge and reset your browser:

Reset settings in Microsoft Edge (Technique No.1):

  1. Open Microsoft Edge browser, then click on More button, which is situated at the top right edge of the screen
  2. Select Settings from the drop down menu.
  3. When the Settings panel appears, find Clear browsing data section and hit Choose what to clear button. Open Settings and click on 'Choose what to clear' button
  4. Then mark all components that you wish to delete and after that hit Clear. Click 'Clear'
  5. Right-click the Start button (that has Windows logo on it) and choose Task Manager. Right-click the Start button again and choose 'Task Manager'
  6. Go to Processes tab and look for Microsoft Edge.
  7. Right-click on it and select Go to details. If there is no Go to details option, select More details and carry out previous instructions. Right-click on 'Microsoft Edge' and choose 'Go to details' option If 'Go to details' option does not show up, choose 'More details' instead
  8. Once Details tab appears, look for entries that contain Microsoft Edge name. Right-click on such individual entries and choose End Task option to terminate them. Locate all entries that relate to Microsoft Edge and click 'End Task'

Reset Microsoft Edge (Technique No.2):

In case the Technique No.1 did not help you to fix the problem, use advanced Edge reset option.

  1. Important: you must backup your files before you use these tips
  2. Locate this folder on your PC: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select all items in this folder and right-click with your mouse. Select Delete. Open Microsoft Edge folder on your PC, click every entry with the right mouse button and select 'Delete'
  4. Click on the Start button (that has Windows Logo on it) and in Search my stuff field, type in window power.
  5. With the right button of your mouse, click on every entry and select Run as administrator. Locate where Windows PowerShell is, right-click on it and click on 'Run as administrator' option
  6. Once you get Admin's rights, Windows PowerShell window should show up shortly. Paste this line:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    after PS C:\WINDOWS\system32> and hit Enter. Copy and then paste the necessary command and hit 'Enter'

After completing these steps, Microsoft Edge should be PUP.Optional.InstallCore-free.

Delete PUP.Optional.InstallCore from Mozilla Firefox (FF)

  1. Delete suspicious browser extensions
    Launch Mozilla Firefox, and then open menu (click a button at the top right corner). Then, go to Add-ons Extensions. Open browser menu and go to 'Add-ons'
  2. Now, locate PUP.Optional.InstallCore and other suspicious extensions. Click Remove to eliminate them. Go to 'Extensions' and locate malicious browser add-ons. Hit 'Remove' button to delete each entry
  3. Reset all Mozilla Firefox settings
    Click on the Firefox at the top left corner and then click the question mark. Then, select Troubleshooting Information. Open menu by clicking on the indicated icon and on '?'. Then select 'Troubleshooting Information'.
  4. Reset Firefox to its default state message should appear then. You will see Reset Firefox button. Click this button a few times and finalise PUP.Optional.InstallCore removal. Hit 'Reset Firefox' button a few times

Delete PUP.Optional.InstallCore from Google Chrome

  1. Remove malicious extensions
    Launch Google Chrome, and then open menu (click a button at the top right corner). Then, go to Tools Extensions. Open browser's menu, then click 'Tools' and 'Extensions'
  2. Now, look for PUP.Optional.InstallCore and other suspicious extensions and then click the trash icon to remove them. Find malicious extensions and click on the Trash bin icon to remove them
  3. Open Chrome menu and go to Settings Manage Search engines under the Search section. Once you open browser's 'Settings', click on 'Manage search engines...' button
  4. In Search Engines..., configure default search engine settings. Remove untrustworthy ones. We advise you to leave only Google or another reputable website of your choice. Remove malicious search sites by clicking 'X'
  5. Reset all Google Chrome settings
    Open menu by clicking the button at the top right corner of Google Chrome, and go to Settings.
  6. Scroll down to find Reset browser settings button. Click on it. When in 'Settings', click Show advanced settings and then find 'Reset browser settings' button. Click on it.
  7. Click Reset to approve this action and finish PUP.Optional.InstallCore removal. Click 'Reset' to finish the removal process.

Delete PUP.Optional.InstallCore from Safari

Refresh the Safari browser:

  1. Delete suspicious browser extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and then select 'Preferences'
  2. Here, select Extensions and look for PUP.Optional.InstallCore or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and remove untrustworthy extensions
  3. Reset all Safari settings
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and then select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete PUP.Optional.InstallCore removal process. Select all checkboxes and click 'Reset'

Prevent the government from spying on you

As there is a growing debate in government about collecting users' data and spying on citizens, you should take a closer look at this issue and find out what shady ways of gathering information can be used to collect information about you. You need to browse anonymously if you want to avoid any government-initiated spying and tracking of information. 

You can enjoy secure internet browsing and minimize the risk of intrusion into your system if you use Private Internet Access VPN program. This VPN application creates a virtual private network and provides access to the required data without any content restrictions.

Control government and other third party access to your data and ensure safe web browsing. Even if you do not engage in illegal activities and trust your ISP, we recommend being careful about your security. You should take extra precautions and start using a VPN program.

Reduce the threat of viruses by backing up your data

Due to their own careless behavior, computer users can suffer various losses caused by cyber infections. Viruses can affect the functionality of the software or directly corrupt data on your system by encrypting it. These problems can disrupt the system and cause you to lose personal data permanently. There is no such threat if you have the latest backups, as you can easily recover lost data and get back to work.

It is recommended to update the backups in parallel each time the system is modified. This way, you will be able to access the latest saved data after an unexpected virus attack or system failure. By having the latest copies of important documents and projects, you will avoid serious inconveniences. File backups are especially useful if malware attacks your system unexpectedly. We recommend using the Data Recovery Pro program to restore the system.

About the author
Ugnius Kiguolis
Ugnius Kiguolis - Expert in malware removal

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