How to remove CleanParameter (Mac OS)

This article is about the suspicious browser extension called CleanParameter. Included on this page are Easy Fix solution, Manual Removal Guide, and cleaning the Homepage and Search section of compromised internet program.

CleanParameter is a malicious browser extension known to be a creation of cyber crooks. This suspicious application can perform different malicious actions on the internet browser program. One example of its misconduct is the unusual serving of advertisements that is way above the average number that web users normally encounter on their day-to-day online browsing. Other than that, CleanParameter app is able to inject invasive browser cookies that are able to track certain browsing information of web users.

How this adware infects the Mac computer

Adware like CleanParameter commonly arrives on Mac system uninvited. It is often embedded to the different malicious freeware that users may have downloaded voluntarily from doubtful servers and file repositories. When the setup file is run on the computer, Mac users will be caught off guard by the malware and it instantly integrates the malicious browser extension to internet application. Therefore, the sudden appearance of CleanParameter app in the browser is perceived by many victims as one kind of virus attack. Furthermore, this suspicion by Mac users will further upsurge by the display of an alarming message like “CleanParameter Daemon will damage your computer.”

Aside from malicious freeware, shareware, or third party applications, there are findings that CleanParameter spreads via bogus software update. This is the same misleading tactics that other adware is using specially the relevant ones like InitialSkill and TrustedAnalog. As shown in the image below, the pop-up advertisement is disguising as system alert that prompts web user to download the supposed software update.

Screenshot of CleanParameter App

Is CleanParameter a computer virus?

Fortunately, Mac security experts are not contented to list CleanParameter under the category of computer virus. According to them, this browser extension is malicious but not to the point that it can cause permanent damage to the system and internet browser applications. These security professionals categorically listed CleanParameter as Adware or potentially unwanted application (PUA).

Even if CleanParameter is not a computer virus, Mac users are still facing threats as long as it exists in the browser. It can display excessive malicious ads and redirects. Moreover, the adware can steal certain information from the browser and therefore, online privacy of Mac users is in danger.

Follow the guide below to remove CleanParameter from the internet browser program. As stated, scan the computer with effective anti-virus and anti-malware tools to locate and delete hidden items associated with CleanParameter.

Procedures to Remove CleanParameter 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 CleanParameter. 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 CleanParameter.

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 CleanParameter 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 CleanParameter or any unwanted program.

Delete Unwanted App

4. Drag CleanParameter 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 CleanParameter

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 CleanParameter, 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 CleanParameter

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.CleanParameter
  • 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:

- Clean Parameter, InitialSkill, TrustedAnalog

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing CleanParameter 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.

- Clean Parameter, InitialSkill, TrustedAnalog

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 CleanParameter 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 CleanParameter.

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, CleanParameter 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 CleanParameter 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 CleanParameter 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 CleanParameter. 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 CleanParameter 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 CleanParameter. 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 CleanParameter 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 CleanParameter.

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