A new cryptocurrency miner for Apple computers has been discovered by Symantec researchers. The miner malware aims to overuse the CPU and GPU resources on your MacBook and generate cryptocurrency money to the cyber-criminals who are behind this malware. The OSX.Coinminer threat may also perform other unwanted activities on your MacBook, such as obtain different information from it, like logins, passwords, files, etc. If you suspect that your computer has fallen victim to the OSX.Coinminer, we advise you to read the following article in order to learn how to remove this malware from your computer and protect it against future crypto miner infections, like OSX.Coinminer.
|Type||Cryptocurrency Miner Malware for Mac|
|Short Description||Aims to use the resources on the Apple devices running OSX in order to mine for cryptocurrencies, like BitCoin or Monero.|
|Symptoms||The infected computer may experience performance slow-downs, system freezes and may even crash at times.|
|Distribution Method||Spam Emails, Email Attachments, Executable files|
See If Your System Has Been Affected by malware
Malware Removal Tool
|User Experience||Join Our Forum to Discuss OSX.Coinminer.|
|Data Recovery Tool||Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.|
OSX.Coinminer – How Does It Infect
The primary method of infection, which may be used by OSX.Coinminer is likely done via e-mail spam messages, that may carry malicious e-mail attachments or malicious web links within them. Since OSX has the so-called Sandbox protection of Apps, the infection file may actually be a legitimate document which triggers malicious macros only after the user has allowed it to run. Such documents may be Microsoft Word documents which trigger the infection when the user clicks on “Enable Content” in order to see what is in the document. After doing so, the following chain of activities may be activated:
Also, another scenario which has been reported to be associated with OSX.Coinminer has been reported to be conducted via bundling the application with legitimate setups for software or games.
OSX.Coinminer – More Information and Activity
When the OSX.Coinminer has infected your OSX machine, the malware may begin to execute the malicious cryptocurrency mining code alongside the legitimate app. This way, OSX.Coinminer makes you to believe that you have the legitimate application running, while in the background it runs hashing operation which is basically calculating complex mathematical tasks to generate cryptocurrency money. This activity may result in your computer having to slow down, freeze at times and have you wondering why does this happen. The main danger besides the decrease in performance is that if the miner runs for longer periods of time on your device, it may damage it’s components due to overutilization.
In addition to this, since OSX.Coinminer is malicious, the malware may perform various unwanted activities that have nothing to do with the mining operation it does on your OSX device. Such activities may include:
- Steal system information, such as IP address, ISP, System Language and Location.
- Steal important information, like you name, address, financial data and passwords for accounts.
After this has been done, the malware may also run automatically the coin miner procedure each time you start your Mac. The way the mining operation is by connecting your computer to third-party mining pools, which contain a lot of different infected computers linked to the wallet of the cyber-criminal so the more computers he infects, the more money they make.
Remove OSX.Coinminer from Your Computer
In order to detect and remove this cryptocurrency miner Trojan from your computer system, we recommend that you focus on downloading an advanced anti-malware software from it. The OSX.Coinminer is the type of malware which aims to remain unnoticed so experts would strongly suggest to use an advanced malware detection and removal tool for OSX machines in order to make sure that this program is fully gone from your computer and it stays protected against future infections as well.
- Guide 1: How to Remove OSX.Coinminer from Windows.
- Guide 2: Get rid of OSX.Coinminer on Mac OS X.
- Guide 3: Remove OSX.Coinminer in Google Chrome.
- Guide 4: Erase OSX.Coinminer from Mozilla Firefox.
- Guide 5: Uninstall OSX.Coinminer from Microsoft Edge.
- Guide 6: Remove OSX.Coinminer from Safari.
- Guide 7: Eliminate OSX.Coinminer from Internet Explorer.
- Guide 8: Disable OSX.Coinminer Push Notifications in Your Browsers.
About the OSX.Coinminer Research
The content we publish on SensorsTechForum.com, this OSX.Coinminer 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 OSX.Coinminer?
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 OSX.Coinminer threat is backed with VirusTotal https://www.virustotal.com/gui/home/upload.
To better understand this online threat, please refer to the following articles which provide knowledgeable details.
1.Browser Redirect – What Is It?
2.Adware Is Malicious, and It Uses Advanced Techniques to Infect
3.The Thin Red Line Between Potentially Unwanted Programs and Malware
4.The Pay-Per-Install Affiliate Business – Making Millions out of Adware
5.Malicious Firefox Extensions Installed by 455,000 Users Blocked Updates
How to Remove OSX.Coinminer from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove OSX.Coinminer
Step 2: Uninstall OSX.Coinminer and related software from Windows
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.
Step 3: Clean any registries, created by OSX.Coinminer on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by OSX.Coinminer there. This can happen by following the steps underneath:
1. Open the Run Window again, type "regedit" and click OK.
2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
3. You can remove the value of the virus by right-clicking on it and removing it.
Step 4: Scan for OSX.Coinminer with SpyHunter Anti-Malware Tool
1. Click on the "Download" button to proceed to SpyHunter's download page.
2. After you have installed SpyHunter, wait for it to update automatically.
3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.
4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.
Video Removal Guide for OSX.Coinminer (Windows).
Get rid of OSX.Coinminer from Mac OS X.
Step 1: Uninstall OSX.Coinminer and remove related files and objects
1.Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
2. Find Activity Monitor and double-click it:
3.In the Activity Monitor look for any suspicious processes, belonging or related to OSX.Coinminer:
4.Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.
5.In the Applications menu, look for any suspicious app or an app with a name, similar or identical to OSX.Coinminer. If you find it, right-click on the app and select “Move to Trash”.
6: Select Accounts, after which click on the Login Items preference.
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 OSX.Coinminer. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:
- 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 OSX.Coinminer 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:
1: Click on "Go" and Then "Go to Folder" as shown underneath:
2: Type in "/Library/LauchAgents/" and click Ok:
3: Delete all of the virus files that have similar or the same name as OSX.Coinminer. If you believe there is no such file, do not delete anything.
You can repeat the same procedure with the following other Library directories:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove OSX.Coinminer files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as OSX.Coinminer, 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 OSX.Coinminer (Mac)
Remove OSX.Coinminer 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 OSX.Coinminer 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 OSX.Coinminer 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 OSX.Coinminer 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 OSX.Coinminer will be removed.
Eliminate OSX.Coinminer 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 caused by OSX.Coinminer 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".
What is OSX.Coinminer?
The OSX.Coinminer threat is adware or browser redirect virus. It may slow your computer down siginficantly 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 OSX.Coinminer?
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 has poor performance in general.
Symtpom #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 reccomend 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 Mac can be the following types:
- Rogue Antivirus programs.
- Browser hijackers.
- Fake optimizers.
What to do if I have a "virus" like OSX.Coinminer?
Do not panic! You can easily get rid of most adware or unwanted program threats by firstly isolating them and then removing them from your browser and computer. One reccomended way to do that is by using a reputable malware removal software that can take care of the removal automatically for you. There are many anti-malware apps out there that you can choose from. SpyHunter is one of the reccomended anti-malware apps, that can scan your computer for free and detect any viruses, tracking cookies and unwanted adware apps and eliminate them quickly. This saves time when compared to doing the removal manually.
How to secure my passwords and other data from OSX.Coinminer?
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 e-mail 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 activiites 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 reccomendations, 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.
More tips you can find on our website, where you can also ask any questions and comment underneath the articles about your computer problems. We will try to respond as fast as possible.