This article has been made with the main idea in mind to show you how you can remove the Cosmos System Care fake optimizer program from your PC.
Yet another one of those fake system optimization programs has been detected by security researchers. The program’s main goal is to convince users to download and install it in order to fix performance issues on their Windows machines. But Cosmos System Care has also been reported by users to display errors that may not be existent on their PCs and these reports raise some concerns especially because Cosmos System Care wants to purchase it’s full version in order to fix the displayed errors. If you want to remove this program from your PC, we strongly suggest reading the article underneath.
Threat Summary
| Name | Cosmos System Care |
| Type | PUP / Hoax System Optimizer |
| Short Description | May pretend to find a lot of errors on your PC to get you to purchase it’s full version.. |
| Symptoms | You may start seeing Comost System Care popping up automatically on your PC and running automatic scans that catch errors every time. |
| Distribution Method | Bundled downloads. Web pages which may advertise it. |
| Detection Tool |
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User Experience | Join Our Forum to Discuss Cosmos System Care. |
Cosmos System Care – Distribution Methods
The main method via which the Cosmos System Care program may be installed on your PC is believed to be via software bundling operation. This aggressive marketing strategy does involve the program being included in the installation wizards of other free software from the likes of media players, software optimizers and programs that users often tend to look for and use. Some third-party websites that are provide freeware programs for download may also modify the installers and add Cosmos System Care in one of the installation steps, where the program could be advertised as a “free extra” to your current install process. And the install step may not be easily seen, primarily because of the fact that it may be concealed in the “Advanced” or “Custom” installation mode.
Another way by which you may have started seeing Cosmos System Care to appear on your PC is by seeing misleading ads that claim your computer is slow. These ads have been a common sight for years now and seeing such ads on your PC is a sign that it may have an adware program installed on it as well. These ads may appear like the image below shows:
Cosmos System Care – Activity
Once installed on your machine, the Cosmos System Care program may begin to create various different types of files in your %AppData% and %ProgramFiles% directories and the program may also elevate it’s permissions to perform different activities on your PC. One of those activities is for the Cosmos System Care app to run automatically on system startup. This type of running may result in the app conducting automatic scans. Once ran, Cosmos System Care may display it’s main pannel which appears like the following:
After having done this, the Comsos System Care program may begin to detect different types of errors on your PC outlining it as a poor performing machine. To fix it and make it “run faster” again, the program wants victims to pay for it’s full version by typing in your credit card details. Be advised that if you are about to do this, you should halt immediately because the Cosmos System Care program is not one of those that are advisable to be trusted. The main reason for that is that security researchers have summed up reports that some of the so-called errors that are detected by Cosmos System Care may not even exist and the app only displays those errors to mislead victims into paying and should be removed on sight if detected.
How to Remove Cosmos System Care from Windows
Removing Cosmos System Care should be performed methodologically and properly. The app could present some difficulties for users during removal, because of the many files that it creates. One way to effectively remove Cosmos System Care is to follow the removal instructions that are underneath this article. They have been created with the main idea to help you remove this app either manually or automatically. Be advised that if manual removal is not something you feel prepared to do, security analysts often recommend using an advanced anti-malware program for the removal. Such tool will automatically attempt to scan for and remove any programs that are related to Cosmos System Care and make sure that the software is gone completely from your PC.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
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How to Remove Cosmos System Care from Windows.
Step 1: Scan for Cosmos System Care with SpyHunter Anti-Malware Tool
Step 2: Boot Your PC In Safe Mode
Step 3: Uninstall Cosmos System Care and related software from Windows
Uninstall Steps for Windows 11
Uninstall Steps for Windows 10 and Older Versions
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully uninstall most programs.
Step 4: Clean Any registries, Created by Cosmos System Care on Your PC.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Cosmos System Care there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Video Removal Guide for Cosmos System Care (Windows).
Get rid of Cosmos System Care from Mac OS X.
Step 1: Uninstall Cosmos System Care and remove related files and objects
Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to Cosmos System Care. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Cosmos System Care via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Cosmos System Care files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Cosmos System Care, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Video Removal Guide for Cosmos System Care (Mac)
Remove Cosmos System Care from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Erase Cosmos System Care from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window:
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Uninstall Cosmos System Care from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Remove Cosmos System Care from Safari
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Cosmos System Care will be removed.
Eliminate Cosmos System Care from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
Remove Push Notifications from Your Browsers
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings.
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".
Cosmos System Care-FAQ
What Is Cosmos System Care?
The Cosmos System Care threat is adware or browser redirect virus.
It may slow your computer down significantly and display advertisements. The main idea is for your information to likely get stolen or more ads to appear on your device.
The creators of such unwanted apps work with pay-per-click schemes to get your computer to visit risky or different types of websites that may generate them funds. This is why they do not even care what types of websites show up on the ads. This makes their unwanted software indirectly risky for your OS.
What Are the Symptoms of Cosmos System Care?
There are several symptoms to look for when this particular threat and also unwanted apps in general are active:
Symptom #1: Your computer may become slow and have poor performance in general.
Symptom #2: You have toolbars, add-ons or extensions on your web browsers that you don't remember adding.
Symptom #3: You see all types of ads, like ad-supported search results, pop-ups and redirects to randomly appear.
Symptom #4: You see installed apps on your Mac running automatically and you do not remember installing them.
Symptom #5: You see suspicious processes running in your Task Manager.
If you see one or more of those symptoms, then security experts recommend that you check your computer for viruses.
What Types of Unwanted Programs Are There?
According to most malware researchers and cyber-security experts, the threats that can currently affect your device can be rogue antivirus software, adware, browser hijackers, clickers, fake optimizers and any forms of PUPs.
What to Do If I Have a "virus" like Cosmos System Care?
With few simple actions. First and foremost, it is imperative that you follow these steps:
Step 1: Find a safe computer and connect it to another network, not the one that your Mac was infected in.
Step 2: Change all of your passwords, starting from your email passwords.
Step 3: Enable two-factor authentication for protection of your important accounts.
Step 4: Call your bank to change your credit card details (secret code, etc.) if you have saved your credit card for online shopping or have done online activities with your card.
Step 5: Make sure to call your ISP (Internet provider or carrier) and ask them to change your IP address.
Step 6: Change your Wi-Fi password.
Step 7: (Optional): Make sure to scan all of the devices connected to your network for viruses and repeat these steps for them if they are affected.
Step 8: Install anti-malware software with real-time protection on every device you have.
Step 9: Try not to download software from sites you know nothing about and stay away from low-reputation websites in general.
If you follow these recommendations, your network and all devices will become significantly more secure against any threats or information invasive software and be virus free and protected in the future too.
How Does Cosmos System Care Work?
Once installed, Cosmos System Care can collect data using trackers. This data is about your web browsing habits, such as the websites you visit and the search terms you use. It is then used to target you with ads or to sell your information to third parties.
Cosmos System Care can also download other malicious software onto your computer, such as viruses and spyware, which can be used to steal your personal information and show risky ads, that may redirect to virus sites or scams.
Is Cosmos System Care Malware?
The truth is that PUPs (adware, browser hijackers) are not viruses, but may be just as dangerous since they may show you and redirect you to malware websites and scam pages.
Many security experts classify potentially unwanted programs as malware. This is because of the unwanted effects that PUPs can cause, such as displaying intrusive ads and collecting user data without the user’s knowledge or consent.
About the Cosmos System Care Research
The content we publish on SensorsTechForum.com, this Cosmos System Care how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific, adware-related problem, and restore your browser and computer system.
How did we conduct the research on Cosmos System Care?
Please note that our research is based on independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware, adware, and browser hijacker definitions.
Furthermore, the research behind the Cosmos System Care threat is backed with VirusTotal.
To better understand this online threat, please refer to the following articles which provide knowledgeable details.