How to Remove Calendar Virus From MAC & Iphone

If you find the ‘Calendar’ Virus adware active on your browser, it means your Mac may be infected with potentially unwanted programs.  So, you should not delay to scan and remove all possible threats. 

To scan and check if your Mac is infected- ∇ Download ComboCleaner

What is ‘Calendar’ Virus?

Calendar Virus” is a term to describe the spam events that get added to your Calendar on Apple devices like iPhone, iPad or even Mac. The spammers behind this trick somehow manages to get the email address of the users and will start sending events to your default calendar app on the devices.

The motive behind this is to drop suspicious links in order to promote fake products, services and even tech scams. There are various malicious domains associated with this scam that delivers warnings like:

  • Click NOW to Secure your iPhone;
  • You are exposed online;
  • Your iPhone Might Be Exposed to Viruses!;
  • iPhone XS Max is Here, Pick it up or Choose Delivery Options;
  • Clean your iPhone from Malicious attacks;
  • Kate Sent You 5 Pictures;
  • congratulations! Its your lucky day;
  • Hackers might try to take control over your iPhone! Click now to stay protected;
  • Easy Car Loans – Apply Online;
  • Your iPhone Has Been Hacked;
  • Cyber-Monday: Ray-Ban Only 9.99;
  • UGG Black Friday upto 50% off and many more.

These scams are triggered via various compromised websites that you should never visit as they will try to convince you to subscribe for some worthy security products or services.

they can send calendar events to your inbox, and they will show up in your default ‘Calendar’ app. Needless to say, the fraudsters abuse this feature to flood the calendar with events that promote shady websites, products and services. Their bogus calendar notifications may display fake virus alerts and warnings, which try to scare the users into subscribing to fake security products and services.

Some of phishing domains linked to the ‘Calendar’ Virus are:

  • Biogrammad,club,
  • and others.

Needless to say, these domains tricks users for some fraud schemes, deals, shady contents and fake purchases, that may risk your privacy.

So, here the steps to remove all spam calendar events and free your Apple devices from ‘Calendar’ Virus.


Name ‘Calendar’ Virus
Type  Scam events, pop-up virus, in app notification tricks
Risk level medium
Description ‘Calendar’ Virus is referred to a scams and fake deals that appears as events on the Calendar app of the Apple and Mac users.
Occurrence Due to clicking on malicious ads, visiting compromised websites, downloading apps from unknown platforms and when your email address associated with the Apple account gets in tough of the spammers.
Possible Symptoms Suspicious events, pop-ups from compromised websites, fake accounts having access to the calendar and so on.
Detection Tool

‘Calendar’ Virus is an adware threat targeting Mac and Apple users. Remove it with a reliable anti-malware tool. Our Experts recommend ComboCleaner.

∇ Download ComboCleaner

How ‘Calendar’ Virus Gets Triggered?

As mentioned above, the spam events are triggered by spamming sites, that may arrive to you while you click on any malicious ads, visit compromised website, download apps from unofficial sources. Other than that, the con artists behind the scam extract the email address of the Apple users and create malicious calendar events and spread them via various deceptive and social engineering ways.

How Does ‘Calendar’ Virus May Affect Your Devices? 

The main motive of such scams is only to scare or attract users to its deals that seems too good to be true. Or shows warnings that your device is hacked or infected with malware that is vulnerable to attacks.

Calendar scams

Calendar scams

As mentioned above, you should never click or visit these links or open them. As they are linked to scams, fake deals and frauds. By clicking on them you will redirected to unsafe websites that may push potentially unwanted programs, encourages to purchase worthless security products and even drop spyware programs that can steal sensitive data causing huge financial loses.

How to Remove ‘Calendar’ Virus From iPhone, iPad and Mac (Guide)

First of all you should update your iOS with latest updates as the Apple developers have issued the latest updates. Hopefully this may remove the ‘Calendar’ Virus from your iPhone and iPad.

There are other ways too to remove ‘calendar’ virus events like deleting the spam calendar , and configuring the Apple calendar not to accept the events from third-party or some specific sources.

Combo Cleaners LogoCombo Cleaner DOWNLOAD LINK
(The above link will open a new page from where the Combo Cleaner will download)
“’Calendar’ Virus” may drop malicious stuffs like adware, PUP, browser hijacker and even serious threats. So if your Apple account is synced to your Mac OS too. Then, we recommend downloading Combo Cleaner to scan for malicious programs. This may save your precious time and effort. Combo Cleaner scans the infected PC for free but you need to purchase its full version for complete removal. More information on Combo Cleaner.

To Remove ‘Calendar’ Virus From Your iPhone, iPad and Mac, follow the steps:

STEP 1: Delete Spam Calendar From Apple Devices

The first step is to delete the spam Calendar that probably added without your consent. For the latest version of the iOS follow the steps below:

Please follow the Steps here:

  • On your Home screen, click on the Calendar App to launch;
  • In the bottom, tap on the Calendars tab;
  • Now, you should see a section named as On My iPhone. This will list all the calendar events along with malicious ones. the suspicious ones will have a color or icon which may be getting notified of.
  • Next, tap on the i button which will see next to the spam calendar.
    Delete Calendar Virus scams

    Delete Calendar Virus scams

  • To delete the suspicious or spam Calendar virus, click on the Delete Calendar at the bottom.
  • To confirm click on the Delete Calendar again.

For older version, deleting calendar virus is slightly different. Follow the below steps:

  1. Open Settings app on your iPhone and scroll down to find the Passwords & Accounts section. Click to open it.
  2. Here, you will see a subsection as Accounts. Now, you need to find and delete the unwanted/suspicious account having access to the Calendars app.
  3. Tap to open the suspicious account triggering Calendar Virus and tap Delete Account at the bottom of the window.

STEP 2: Stop ‘Calendar’ Virus events from Appearing again

Now, it is very important to restricts the spam events from appearing again and again on your Calendar. So, follow the steps below to stop Calendar virus adding spam events on your iPhone and iPad:

  • Log in to your iCloud account by opening using a web browser.
  • Once logged in, in the bottom-left corner of the screen click on the gear icon;
  • Then select Preferences.
  • Next, open the Advanced tab, under which you should see an Invitations section;
    Stop 'Calendar' Virus events from Appearing again

    Stop ‘Calendar’ Virus events from Appearing again

  • Enable the radio button next to Email to [your email address] and the click on Save.

This will stop sending you spam ‘calendar’ events on your app notification.

STEP 3: Remove ‘Calendar’ virus from Mac OS

  1. Click Finder icon on your dock;
  2. Select Applications;
  3. Under the Application folder, double-click on Utilities;
  4. Now, under utility window, double-click on the Activity Monitor to open it;
  5. Next, step is searching the unwanted app by typing in the Search bar;
  6. Once, you find the it, select the app;
    Quit all Apps mac

    Quit all Apps mac

  7. On your upper-left corner, click on the X to delete it;
  8. Click Quit to confirm deleting the process.
  9. Repeat with other apps.

Now, the app in questions showing “The application on the Mac is not removed because it’s still open” is closed from running in the background. So, you should try deleting the app now.

STEP 4: Use ComboCleaner Scan To Remove ‘Calendar’ Virus

Combo Cleaners LogoCombo Cleaner DOWNLOAD LINK
(The above link will open a new page from where the Combo Cleaner will download)
“’Calendar’ Virus” may reinstall itself multiple times if you don’t delete its core files. We recommend downloading Combo Cleaner to scan for malicious programs. This may save your precious time and effort. Combo Cleaner scans the infected PC for free but you need to purchase its full version for complete removal. More information on Combo Cleaner.

Combo Cleaner is a complete security suite for Mac OS that is developed by “RCS LT” company. This program is featured with anti-virus scanner and system optimization tools like disk cleaner, duplicate files finder, application uninstaller, privacy scanner, and 24*7 customer support service.

It is very important to have a reliable anti-virus solution for the computer system. Combo cleaner is one of the best options for MAC users as detects and eliminates all sorts of threats like adware, browser hijacker, Trojans, and other malware.

How to Install and Scan with Combo Cleaner

  • 1. Click the above button to Download the “Combo Cleaner”;

  • 2. Once the download completes, double-click on the downloaded file;

  • 3. After the window opens, drag the Combo Cleaner program icon and drop it into your “Applications folder” icon.

    Combo Cleaner Install Step 2

    Combo Cleaner Install Step 2

  • 4. Now, open your “Launchpad” and click on the “Combo Cleaner” icon.

    Combo Cleaner Install Step 3

    Combo Cleaner Install Step 3

  • 5. This will start the combo cleaner installation and updates its latest virus definition. Once done, Combo cleaner will launch;

    Combo Cleaner Dashboard

    Combo Cleaner Dashboard

  • 6. Click on “Antivirus” tab and choose the scan options like Quick, Full, and custom. (Full is recommended for the first time)

    Combo Cleaner Antivirus Scan

    Combo Cleaner Antivirus Scan

  • 7. Let the scan be completed and it will list all the threats found. Now, click on “Remove All Threats”;

    Combo Cleaner Scan Results

    Combo Cleaner Scan Results

  • 8. after removing the threats, click on the “uninstaller” to find and remove any unwanted programs. Select the program from the list and its related files and then click on “Remove Selected Items“

    Remove 'Calendar' Virus And Other Threats

    Remove ‘Calendar’ Virus And Other Threats

STEP 5: Remove ‘Calendar’ Virus From Safari, Chrome, And Firefox Web Browsers

Reset Safari

Safari Browser

To Remove ‘Calendar’ Virus , locate and remove unwanted Extensions, homepage redirects From Safari Browser, follow steps:

    • On the Safari browser, click the “Safari” menu then select “Preferences”.
      Safari Preferences

      Safari Preferences

    • On the “General” tab of the Safari preferences, check for ‘Calendar’ Virus URL added as the default homepage. Within the “Homepage” field enter your preferred URL as your default start-page of the browser.
      Reset Safari Homepage

      Reset Safari Homepage

    • Next, you need to check for malicious extensions, click on the “Extensions” tab on the same window.
    • The “Extensions” screen will list all the extensions installed on your safari browser. You need to browse through the list and uninstall ‘Calendar’ Virus extension or Adware. Select it and then click on “Uninstall”. Repeat the steps to remove all unwanted extensions.
      Uninstall 'Calendar' Virus Extension From Safari

      Uninstall ‘Calendar’ Virus Extension From Safari

  1. Delete Safari’s preferences file to reset the default settings

Even after performing the above steps, some malicious program may reappear again. This happens because adware and browser hijackers creates new files within the preferences. Thus, they are able to replace the homepage and search engine URLs each time when user launches the Safari.

To do this, follow the below steps:

    • Close the Safari browser;
    • Come to normal desktop mode, now choose “Go” from the top menu then click on “Go to Folder“.
    • Within the “Go to Folder: pop-up window, enter the ~/Library/Preferences/ path and click on GO;
      Safari Reset

      Safari Reset

    • Delete the file, if found;
    • Launch the Safari Again.

Reset Google Chrome

Google Chrome


To Remove ‘Calendar’ Virus From Chrome (Extensions, homepage redirects), follow steps:

Similarly,  you need to reset the default settings of Chrome browser. In order to remove unknown extensions, search engines, startup, and new tabs.

It is better to use the default reset feature of the Google Chrome. This will reset all the unwanted modifications done by third-party programs. It should be noted that you will not lose your saved passwords and bookmarks. (Sync your Google with Account to secure them first). However, it will delete cookies, extensions, startups, URLs, homepage and new tabs preferences.

    • Click on Chrome’s main menu then choose “Settings“. Scroll to the bottom of the page and click on “Advanced”;
      Google Chrome Advanced Settings

      Google Chrome Advanced Settings

    • Under the Advanced page, go for “Reset and clean up” section.  Then click on “Reset settings to their original defaults”;
      Remove 'Calendar' Virus Extension And Reset Chrome

      Remove ‘Calendar’ Virus Extension And Reset Chrome

    • Next, click on “Reset”, when you will be prompted for a confirmation “This will reset your startup page, a new tab page, search engine, and pinned tabs. It will also disable all extensions and clear temporary data like cookies. Your bookmarks, history, and saved passwords will not be cleared”;
    • Click on the “Reset Settings” button to confirm the procedure. After that, it may ask to restart your browser, click “Yes”.
  1. Remove Chrome’s policies created by ‘Calendar’ Virus Program

If the above reset solution does not work for you, then it may possible that the malicious programs has created policies within the chrome browser. This certainly restricts the unwanted apps, homepage and search engine settings to reset again.  The Chrome polices are listed within chrome://policy URL. You can check the unwanted policies created by malicious apps. If this is the case then you need to remove them.

To reset such policies from chrome browser, follow the steps below:

    • Open a Terminal window. Go to Finder → Go → Utilities → Terminal;
      Open Terminal Window

      Open Terminal Window

    • Within the Terminal window, execute the following commands one by one. And press enter after each command.
      Delete Chrome Policies

      Delete Chrome Policies

defaults write HomepageIsNewTabPage -bool false
defaults write NewTabPageLocation -string “”
defaults write HomepageLocation -string “”
defaults delete DefaultSearchProviderSearchURL
defaults delete DefaultSearchProviderNewTabURL
defaults delete DefaultSearchProviderName
defaults delete ExtensionInstallSources
    • After executing the above commands, launch the Chrome browser again. To check the unknown policies to be removed successfully. Type  “chrome://policy” within the address bar and click on  “Reload policies”.
      Reload Chrome Policy

      Reload Chrome Policy

    • Now, the malicious policies should be gone. After that,  you can modify your homepage, new tab and search engine as per your preferences.

NOTE: Last but not the least, if the above solution also does not work for you. Then the malicious programs may have install “Managed by your organization” policy. As a consequence it restricts to remove the unknown extension or homepage even after resetting the browser.

Please follow our guide Remove “Managed by your organization” Chrome Hijack From Mac


Reset FirefoxMozilla Firefox Browser


To Remove ‘Calendar’ Virus Extension, homepage redirects From Mozilla Firefox Browser, follow steps:

Finally, if you have facing same issues with Firefox browser, then follow the steps to refresh it.

    • Open Firefox’s Main Menu button by clicking on three horizontal lines. After that, from the drop-down menu select “Help“;
    • Click on the “Troubleshooting Information,“ from the Help menu;
      Troubleshooting Information Firefox

      Troubleshooting Information Firefox

    • From the upper-right corner of the “Troubleshooting Information” page, click on the “Refresh Firefox”.
      Reset Firfox

      Reset Firefox

    • To confirm, click on the “Refresh Firefox” button, within the confirmation pop-up window.
    • Click on the “Finish“ button.

Here is the detailed guide on How To Disable Web Notifications On Mac OS? 

Thus, by the time now, your Mac should free from adware and other malicious programs. Most importantly, you should always have a reliable anti-malware with real-time protection features. So, that it can trace the behaviors of unwanted program at its earliest. And quarantine it from being making serious damages.

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