What is this threat?
CalendarSpark is a browser add-on, classified as a potentially unwanted program (PUP) and a browser hijacker. It provides calendar related services but also hijacks your browser and forces you to use a dubious search engine. In addition to this, it can enter your computer without permission. It’s available for download in browser stores but it is also attached to some freeware as an extra offer. We will explain how to avoid these kinds of installations in the below paragraphs. PUPs are not serious threats but they are annoying to deal with. Mainly because they perform unwanted changes and try to redirect you to sponsored sites, as that is how they make money. While by itself it’s not really dangerous, it may be able to redirect you to malicious sites where malware could be waiting for you. We strongly recommend you delete CalendarSpark so that you can avoid possibly serious infections.
Why remove CalendarSpark?
First of all, you need to understand how you managed to obtain the infection. It was attached to freeware as an extra offer and you needed to deselect it to prevent installation. To be able to do this, access Advanced or Custom settings. If there is anything added, it will show there. If you see something, make sure you deselect it/them. Do not allow any kind of extra offer to slip past because they are hidden there for a reason. You should also avoid using Default settings because you will not be able to deselect anything, which means everything will install. You could have also obtained it in legitimate ways, but whichever way you go it, we recommend you uninstall CalendarSpark.
Once the PUP installs, it will make changes to your browsers, to Internet Explorer, Google Chrome and Mozilla Firefox, and set its promoted website as your homepage, new tabs and search engine. Your new homepage provides calendar related services but there are more reliable options out there. Delete CalendarSpark. You will have a new search engine set as default but using it is not encouraged. It will insert sponsored websites among the legitimate ones so that it could redirect you. Browser hijackers aim to redirect users because they generate income this way. You, on the other hand, get nothing from this. The thing about hijackers is that they do not ensure that the websites you end up on are safe. They could have malware lurking somewhere and you could end up downloading it. So if you want to ensure you are safe, remove CalendarSpark.
We would recommend obtaining anti-spyware software and having it take care of CalendarSpark removal because the program would do everything for you. If you attempt to uninstall CalendarSpark manually, you will have to find where the PUP is located yourself and that may take some time. However, both ways are possible and you can use the provided guide below to help you.
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Step 1. Uninstall CalendarSpark and related programs.
Remove CalendarSpark from Windows 8
Right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel choose Programs and Features and select to Uninstall a software.
Uninstall CalendarSpark from Windows 7
Click Start → Control Panel → Programs and Features → Uninstall a program.
Delete CalendarSpark from Windows XP
Click Start → Settings → Control Panel. Locate and click → Add or Remove Programs.
Remove CalendarSpark from Mac OS X
Click Go button at the top left of the screen and select Applications. Select applications folder and look for CalendarSpark or any other suspicious software. Now right click on every of such entries and select Move to Trash, then right click the Trash icon and select Empty Trash.
Step 2. Delete CalendarSpark from your browsers
Terminate the unwanted extensions from Internet Explorer
- Tap the Gear icon and go to Manage Add-ons.
- Pick Toolbars and Extensions and eliminate all suspicious entries (other than Microsoft, Yahoo, Google, Oracle or Adobe)
- Leave the window.
Change Internet Explorer homepage if it was changed by virus:
- Tap the gear icon (menu) on the top right corner of your browser and click Internet Options.
- In General Tab remove malicious URL and enter preferable domain name. Press Apply to save changes.
Reset your browser
- Click the Gear icon and move to Internet Options.
- Open the Advanced tab and press Reset.
- Choose Delete personal settings and pick Reset one more time.
- Tap Close and leave your browser.
- If you were unable to reset your browsers, employ a reputable anti-malware and scan your entire computer with it.
Erase CalendarSpark from Google Chrome
- Access menu (top right corner of the window) and pick Settings.
- Choose Extensions.
- Eliminate the suspicious extensions from the list by clicking the Trash bin next to them.
- If you are unsure which extensions to remove, you can disable them temporarily.
Reset Google Chrome homepage and default search engine if it was hijacker by virus
- Press on menu icon and click Settings.
- Look for the “Open a specific page” or “Set Pages” under “On start up” option and click on Set pages.
- In another window remove malicious search sites and enter the one that you want to use as your homepage.
- Under the Search section choose Manage Search engines. When in Search Engines..., remove malicious search websites. You should leave only Google or your preferred search name.
Reset your browser
- If the browser still does not work the way you prefer, you can reset its settings.
- Open menu and navigate to Settings.
- Press Reset button at the end of the page.
- Tap Reset button one more time in the confirmation box.
- If you cannot reset the settings, purchase a legitimate anti-malware and scan your PC.
Remove CalendarSpark from Mozilla Firefox
- In the top right corner of the screen, press menu and choose Add-ons (or tap Ctrl+Shift+A simultaneously).
- Move to Extensions and Add-ons list and uninstall all suspicious and unknown entries.
Change Mozilla Firefox homepage if it was changed by virus:
- Tap on the menu (top right corner), choose Options.
- On General tab delete malicious URL and enter preferable website or click Restore to default.
- Press OK to save these changes.
Reset your browser
- Open the menu and tap Help button.
- Select Troubleshooting Information.
- Press Refresh Firefox.
- In the confirmation box, click Refresh Firefox once more.
- If you are unable to reset Mozilla Firefox, scan your entire computer with a trustworthy anti-malware.
Uninstall CalendarSpark from Safari (Mac OS X)
- Access the menu.
- Pick Preferences.
- Go to the Extensions Tab.
- Tap the Uninstall button next to the undesirable CalendarSpark and get rid of all the other unknown entries as well. If you are unsure whether the extension is reliable or not, simply uncheck the Enable box in order to disable it temporarily.
- Restart Safari.
Reset your browser
- Tap the menu icon and choose Reset Safari.
- Pick the options which you want to reset (often all of them are preselected) and press Reset.
- If you cannot reset the browser, scan your whole PC with an authentic malware removal software.
2-remove-virus.com is not sponsored, owned, affiliated, or linked to malware developers or distributors that are referenced in this article. The article does not promote or endorse any type of malware. We aim at providing useful information that will help computer users to detect and eliminate the unwanted malicious programs from their computers. This can be done manually by following the instructions presented in the article or automatically by implementing the suggested anti-malware tools.
The article is only meant to be used for educational purposes. If you follow the instructions given in the article, you agree to be contracted by the disclaimer. We do not guarantee that the artcile will present you with a solution that removes the malign threats completely. Malware changes constantly, which is why, in some cases, it may be difficult to clean the computer fully by using only the manual removal instructions.