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Mac Optimizer Tool - Mac Cleaner Utility Upgrade to Full Version and get upto 85% Instant Discount One Touch Cleanup to tune up Mac in single click Complete Scan your mac and scan of your Unwanted Files. The Battery Optimization feature in Simple MacOptimizer gives you some great insights into your battery charge level, rate of power consumption and estimated time left on battery. You can also control the battery consuming features of your MacBook based on whether it is running on battery or if it is plugged into a power source. MacOptimizer 3 is an incredibly fast and efficient disk utility to optimize your Mac, increase battery life, speed up workflow, and organize files and folders. MacOptimizer fixes your Mac and gets it back in shape with quick, essential tools to free your Mac caches, cleanup unnecessary files clogging your computer, optimize laptop battery life.

MacAppware has announced MacOptimizer 4.2, an upgrade to its disk utility app for macOS.

It’s designed to help you clean, repair, and organize your Mac. You can speed up your Mac, fix common problems on your computer, and organize your Mac desktop using the utility. Version 4.x boasts new features to analyze and boost memory, speed up Internet browsing, monitor CPU and battery usage, and more.

K9-MacOptimizer is a rogue application that allegedly helps speed up your Mac. An advertisement on the official website of the app claims that it is able to delete unnecessary files that overload your system.

MacOptimizer 4.2 macOS 10.9 (64bit) and newer. It’s available for purchase on the MacAppware website for US$29.99.

How to remove 'K9-MacOptimizer' from Mac computers

What is 'K9-MacOptimizer'?

K9-MacOptimizer is software endorsed as an optimizer for the Mac operating system. It is supposedly capable of freeing-up space on the hard drive by removing 'junk' and temporary files, securely deleting sensitive and confidential data, etc. K9-MacOptimizer is classified as a Potentially Unwanted Application (PUA) due to its dubious distribution methods. I.e., most users are tricked into installing this app, and it is often distributed together with other software. This deceptive marketing method of pre-packing regular content with PUAs is called 'bundling'.

When installed, K9-MacOptimizer runs a system scan and detects various 'issues'. When users attempt to remove these issues, they find that they are required to purchase the activation key. I.e., in effect, purchase K9-MacOptimizer. PUAs can never be trusted. In most cases, these applications are untrusted and nonoperational. Even if purchased, they are unable to perform the advertised functions. Note that apps such as K9-MacOptimizer are often distributed together with other PUAs (e.g. browser hijackers and/or adware). In fact, unwanted applications cause numerous problems and are a threat to device and user safety. PUAs generate redirects to sale-oriented, untrustworthy, compromised, and even malicious websites. Additionally, they run intrusive advertisement campaigns. By implementing various tools, they enable third party graphical content to be displayed on any site. In this way, they deliver ads (pop-ups, banners, surveys, coupons, etc.), which diminish the browsing experience by overlaying web page content and limiting browsing performance. Some PUAs have data tracking abilities. They monitor browsing activity (URLs visited, pages viewed, search engine history, etc.) and gather personal information (IP addresses, geolocations, and personal details). This private data is then shared with third parties (potentially, cyber criminals) seeking to misuse it for financial gain. To summarize, PUAs can cause browser and system infiltration/infections and lead to serious privacy issues, financial loss, and even identity theft. To ensure device integrity and user safety, remove all dubious applications and browser extensions/plug-ins immediately.

Most PUAs share certain traits, and those apps released by the same developers might even be identical. Mac Speedup Pro, MacOptimizer, and Mac Space Reviver are just some examples of applications similar to K9-MacOptimizer. They typically seem legitimate and offer various features, ranging from system cleaners and optimizers to content providers (e.g. TV, movie, radio, music, etc.). While these features may sound useful and beneficial, they are used to lure people to install. The advertised features are usually nonfunctional. The only purpose of PUAs is to generate revenue for the designers, whilst regular users receive nothing. Rather than delivering any value, PUAs cause redirects, deliver ad campaigns, and track vulnerable data.

How did potentially unwanted applications install on my computer?

Some PUAs, such as K9-MacOptimizer, have 'official' websites, on which they are often advertised as 'free' and 'useful' software. As well as these deceptive sites, unwanted applications also proliferate through scam pages, which warn users of so-called 'threats' detected on their systems and endorse bogus tools for their removal. PUAs also proliferate via the download/install set-ups of other programs. This deceptive marketing technique ('bundling') is very popular amongst developers of unwanted and malicious content. Rushing download/installation processes (e.g. ignoring terms, skipping steps and sections, using pre-set options, etc.) endangers devices with potential system infiltration and infections. Intrusive advertisements are also known to proliferate PUAs. Once clicked, they execute scripts designed to make these rogue downloads/installs.

How to avoid installation of potentially unwanted applications

You are advised to research software and content to verify its legitimacy, before downloading/installing. Only trustworthy and verified download channels should be used. Peer-to-Peer sharing networks, unofficial and free file-hosting websites, third party downloaders, and similar sources are often untrustworthy and should not be used. Download and installation processes should be treated with caution. Read the terms, explore possible options, use the 'Custom/Advanced' settings, and opt-out of downloading/installing additional apps, tools, features, etc. Intrusive advertisements usually seem legitimate and harmless, however, they often redirect to dubious web pages (e.g. gambling, pornography, adult-dating, etc.). If you encounter these ads/redirects, check the device and remove all suspicious applications and/or browser extensions/plug-ins without delay. If your computer is already infected with PUAs, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate them.

Screenshot of 'K9-MacOptimizer' installer:

Website promoting 'K9-MacOptimizer':

Com one driver. Appearance of 'K9-MacOptimizer' scam (GIF):

Instant automatic Mac malware removal:Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for MacBy downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Quick menu:

• STEP 1. Remove PUA related files and folders from OSX.
• STEP 2. Remove rogue extensions from Safari.
• STEP 3. Remove rogue add-ons from Google Chrome.
• STEP 4. Remove potentially unwanted plug-ins from Mozilla Firefox.

Video showing how to remove K9-MacOptimizer unwanted application using Combo Cleaner:

Potentially unwanted applications removal:

Remove potentially unwanted applications from your 'Applications' folder:

Click the Finder icon. In the Finder window, select 'Applications'. In the applications folder, look for 'MPlayerX','NicePlayer', or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

Combo Cleaner checks if your computer is infected with malware. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Remove k9-macoptimizer potentially unwanted application related files and folders:

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Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder..

Check for adware-generated files in the /Library/LaunchAgents folder:

In the Go to Folder.. bar, type: /Library/LaunchAgents

In the “LaunchAgents” folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - “installmac.AppRemoval.plist”, “myppes.download.plist”, “mykotlerino.ltvbit.plist”, “kuklorest.update.plist”, etc. Adware commonly installs several files with the same string.

Check for adware generated files in the /Library/Application Support folder:

In the Go to Folder.. bar, type: /Library/Application Support

In the “Application Support” folder, look for any recently-added suspicious folders. For example, “MplayerX” or “NicePlayer”, and move these folders to the Trash.

Check for adware-generated files in the ~/Library/LaunchAgents folder:

In the Go to Folder bar, type: ~/Library/LaunchAgents

In the “LaunchAgents” folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - “installmac.AppRemoval.plist”, “myppes.download.plist”, “mykotlerino.ltvbit.plist”, “kuklorest.update.plist”, etc. Adware commonly installs several files with the same string.

Check for adware-generated files in the /Library/LaunchDaemons folder:

In the Go to Folder.. bar, type: /Library/LaunchDaemons

In the “LaunchDaemons” folder, look for recently-added suspicious files. For example “com.aoudad.net-preferences.plist”, “com.myppes.net-preferences.plist”, 'com.kuklorest.net-preferences.plist”, “com.avickUpd.plist”, etc., and move them to the Trash.

Scan your Mac with Combo Cleaner:

If you have followed all the steps in the correct order you Mac should be clean of infections. To be sure your system is not infected run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file double click combocleaner.dmg installer, in the opened window drag and drop Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates it's virus definition database and click 'Start Combo Scan' button.

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays 'no threats found' - this means that you can continue with the removal guide, otherwise it's recommended to remove any found infections before continuing.

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

K9-MacOptimizer potentially unwanted application removal from Internet browsers:

Remove malicious extensions from Safari:

Remove k9-macoptimizer potentially unwanted application related Safari extensions: Atel usb devices driver download.

Open Safari browser, from the menu bar, select 'Safari' and click 'Preferences..'.

In the preferences window, select 'Extensions' and look for any recently-installed suspicious extensions. When located, click the 'Uninstall' button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for normal browser operation.

• If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Remove malicious plug-ins from Mozilla Firefox:

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Remove k9-macoptimizer potentially unwanted application related Mozilla Firefox add-ons: Antrax datentechnik driver download.

Open your Mozilla Firefox browser. At the top right corner of the screen, click the 'Open Menu' (three horizontal lines) button. From the opened menu, choose 'Add-ons'.

Choose the 'Extensions' tab and look for any recently-installed suspicious add-ons. When located, click the 'Remove' button next to it/them. Note that you can safely uninstall all extensions from your Mozilla Firefox browser - none are crucial for normal browser operation.

• If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

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Remove malicious extensions from Google Chrome:

Remove k9-macoptimizer potentially unwanted application related Google Chrome add-ons:

Open Google Chrome and click the 'Chrome menu' (three horizontal lines) button located in the top-right corner of the browser window. From the drop-down menu, choose 'More Tools' and select 'Extensions'.

In the 'Extensions' window, look for any recently-installed suspicious add-ons. When located, click the 'Trash' button next to it/them. Note that you can safely uninstall all extensions from your Google Chrome browser - none are crucial for normal browser operation.

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• If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.