Remove InitialWindow – Mac Adware

It is a reality that adware is part of the online cycle and both PC and Mac users are vulnerable to this threat. It is just easy to catch one whether web user is simply browsing the internet or downloading applications from their favorite provider. Even email transmissions are being exploited by attackers to implant adware on the computer. For this specific article, the focus of discussion is InitialWindow. It does not sound like a threat but diagnostics points that this browser extension is part of a large adware family.

More about InitialWindow App

Several Mac users are already familiar with a threat that is represented by an icon symbol as show in the image below. It became memorable to them not because it was a valuable tool; rather it causes severe issues and makes their online browsing and searching a disaster. Some of the previously released browser extension that are unpleasant to Mac users goes by the name of ConnectionFormat, DefaultProgress, and Dynamic Improvement. This recent threat, which is InitialWindow bears the same icon and it cannot be denied that it arises from the said group. In fact, diagnostic findings show that InitialWindow is just a remake of previous threats. It adapts the same principle of infecting the browser and dominates the operation while mingling with Mac users online browsing and searching activities.

It is worth to mention that InitialWindow is a traditional adware that serves its creators by exploiting internet program to generate revenue. Its aggressive activities is often characterize by excessive issuance of advertisements particularly if Mac user is on browsing session. This operation extends over to series of redirects that will eventually land the browser to unknown sites not commonly requested.

While browser program is trapped in this unbending adware, there will be no guarantee that Mac user’s privacy is safe. The entire family of adware were developed to gather various data from the browser and its target is frequently sensitive information like username, passwords, IP address, browser type and version, and operating system detail.

InitialWindow App

Restoring the browser program

Clearly, the only approach to restore the browser program to its previous safe and private condition is to remove InitialWindow application. Disregarding the threat and not taking actions would bring in negative consequences that will affect the browser and operating system in general. As our contribution in fighting adware like InitialWindow, we are offering simple guide on this page. Also included are tools like anti-virus and anti-malware, which are effective in scanning the computer for malicious objects.

Procedures to Remove InitialWindow from Mac

This area contains comprehensive procedures to help you remove adware and potentially unwanted program from the computer.

Guide on this page are written in a manner that can be easily understand and execute by Mac users.

Quick Fix - Scan the System with Combo Cleaner

Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of adware like InitialWindow. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

2. Double-click the downloaded file and proceed with the installation.

3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.

Install Combo Cleaner

4. Open your Launchpad and click on the Combo Cleaner icon.

5. Wait until antivirus downloads its latest virus definition updates and click on "Start Combo Scan" to start removing InitialWindow.

Combo Cleaner Scanner

6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.

Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat.

Step 1 : Delete InitialWindow from Mac Applications

1. Go to Finder.

2. On the menu, click Go and then, select Applications from the list to open Applications Folder.

3. Find InitialWindow or any unwanted program.

Delete Unwanted App

4. Drag InitialWindow to Trash Bin to delete the application from Mac.

5. Right-click on Trash icon and click on Empty Trash.

Step 2 : Remove Browser Extensions that belongs to InitialWindow

1. Locate the add-on or extension that is relevant to the adware. To do this, please follow the following depending on affected browser.

Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.

Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.

Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plug-ins lists when it opens a new window.

2. Once you have located InitialWindow, click on Remove or Uninstall, to get rid of it.

3. Close the browser and proceed to the next steps.

Step 3 : Delete Malicious Files that have installed InitialWindow

1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.

~/Library/LaunchAgents

2. Go to your Finder. From the menu bar please select Go > Go to Folder...

3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.

Command + V

4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:

  • com.InitialWindow
  • unknown.download.plist
  • unknown.ltvbit.plist
  • unknown.update.plist

The term unknown is just a representation of the actual malware name. Attackers may masks the actual name with following:

- ConnectionFormat, DefaultProgress

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing InitialWindow to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.

Option+Command+4

Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.

5. Drag all suspicious files that you may find to Trash.

6. Please restart the computer.

7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.

~/Library/Application Support

8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.

9. Repeat the process on the following non-hidden folders (without ~):

/Library/LaunchAgents
/Library/LaunchDaemons
/Library/Application Support

10. Lastly, go to your Finder and open the Applications Folder. Look for subfolders with the following names and drag them to Trash.

- ConnectionFormat, DefaultProgress

Optional : For locked files that cannot be removed, do the following:

1. Go to Launchpad, Utilities folder, open Activity Monitor.

2. Select the process you want to quit.

Force Quit Apps

3. Click on Force Quit button.

4. You may now delete or remove locked files that belongs to InitialWindow adware.

Step 4 : Double-check with MBAM Tool for Mac

1. Download Malwarebytes Anti-malware for Mac from this link:

2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including InitialWindow.

3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.

4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.

MBAM for Mac

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, InitialWindow is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 5 : Remove InitialWindow from Homepage and Search

Safari

- Open your Safari browser.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that "New Windows Open With" field is set to Homepage.
- Lastly, remove InitialWindow from the Homepage field. Replace it with your preferred URL to be set as your default homepage.

Google Chrome

- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing InitialWindow. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines...' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.

Mozilla Firefox

- Run Mozilla Firefox browser.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace InitialWindow settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.

Optional : If unable to change browser settings, execute these steps:

Some user complains that there is no way to change browser settings because it is grayed out by InitialWindow. In such situation, it is important to check if there is unwanted profile. Please do the following:

1. Quit any running applications and launch System Preferences from your Dock.

2. Under System Preferences, click Profiles.

3. Select InitialWindow or any relevant profile from the left pane. See image below.

Remove Profile

4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.

5. Close the Profiles window and open the affected browser to change all settings associated with InitialWindow.

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