THREAT REMOVAL

CryptoLoot Coinhive Monero Miner – How to Remove from Your PC

This article has the goal to show you how to remove the CrypoLook Coinhive Monero Miner malware from your computer and how to restore your CPU and GPU works back to normal state.

A brand new Monero mining malware, called CryptoLoot has been detected to use script from the website Coinhive in order to mine for the monero malware. The virus has unique features in that it runs an executable in the background of your computer in order to mine it for the cryptocurrency Monero. If you suspec that your computer has been infected by the CryptoLoot Coinhive Monero Miner malware, we strongly advise you to focus on reading this article in order to learn how to remove the CryptoLoot Monero miner from your computer completely.

Threat Summary

Name CryptoLoot
Type Cryptocurrency Miner Trojan
Short Description The end goal of this malware is to mine for the Cryptocurrency Monero, using your computer’s CPU and GPU resources.
Symptoms Having this malware on your PC, results in elevated CPU(Central Processor) and GPU(Video Card) usage by it’s malicious process. If it remains on your computer for longer periods of time, the virus may even break your computer’s components. It may fry your CPU if it stays for longer periods of time.
Distribution Method Spam Emails, Email Attachments, Executable files
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User Experience Join Our Forum to Discuss CryptoLoot.

CryptoLoot Monero Miner Malware – How Does It Infect

In order to infect computers, this mining malware does ot differ so much when compared to other Trojan Horses, only by the fact that it’s configured to mine. The infection may come on your PC after you have downloaded one of the following executable files:

  • Fake setups.
  • Patches.
  • License activators for software.
  • Game patches or game cracks.
  • Other suspicious programs.

Other methods by which you could also become a victim of the CryptoLoot Monero miner is if you download a malicius e-mail attachment. Since most e-mails block such, cyber-crooks obfuscate the attachments in either .ZIP or .RAR archives which are also the main reason why the Coinhive Monero miner may enter your PC undetected. The attachments may fool you into thinking they are a legitimate document, like:

  • Purchase receipt.
  • Invoice for a product your may not have bought.
  • Banking statement of your banking activity.
  • Report of unauthorized login on your account on a given website.

And the messages that accompany those e-mail attachments are also deceitful in that they further aim to convince you to open the malicious attachments. One example can be seen from the image below:

Besides attached directly to the e-mail, the files spreading the CryptoLoot Monero mining malware maya also be dropped on your computer as a result of you becoming infected with other viruses, such as a Trojan.Downloader.

CryptoLoot Monero Miner Malware – Malicious Activity

No matter the method via which it happens, once you are deceived into opening the malicious file, spreading CryptoLoot, infection takes place in the background and you do not notice it. This is because the main malicious file of this virus is obfuscated and it cannot be conventionally detected by antivirus programs, especially if they are not updated with latest definitions. After infection, CryptoLoot Monero miner drops It’s malicious payload on the victim’s computer and it may be named with different names and located in the following Windows system folders:

After the payload is dropped, the CryptoLoot miner executable may be executed. It immediately connects to what Is known as mining pool. Such pools combine many computers to mine for the Monero cryptocurrency and divide the profit from generating Monero by dividing it equally among the cryptocurrency wallets of the users in the mining pool. In this case, your PC may mine for Monero cryptocurrency for a wallet of user in a pool in the Coinhive site.

The mining process works in a very particular way. The procedure includes hashes, which are complex mathematical problems and the blockchain network uses your CPU and GPU power to calculate those hashes via their calculation components. This results in hashes being generated. When a certain block size of hashes is complete, 1 Monero is generated. This takes time and this is why CryptoLoot malware aims to stay on your computer for as long as possible while remaining undetected.

Furthermore, CryptoLoot Monero miner Trojan may also perform other activities on your computer:

  • Update itself to remain undetected.
  • Track you keystrokes.
  • Take screenshots from your computer.
  • Collect the passwords which you have saved on your web browser.
  • Obtain administrative permissions.
  • Collect system information from your computer.

Remove CryptoLoot Monero Miner from Your PC

For the removal process of this virus, you can follow the removal instructions located down below. They aim to help you isolate this malware and then locate and remove it from your computer system. If manual instructions feel like they may take some time and you feel uncertain in following them, security experts always outline to use an advanced anti-malware software for removing CryptoLoot Monero miner and other malware. This is because automatic removal via such program is not only very fast, but also aims to protect your computer against future infections as well.

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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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Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer

How to Remove CryptoLoot from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove CryptoLoot

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall CryptoLoot 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. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by CryptoLoot on your computer.

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 CryptoLoot 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.
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.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for CryptoLoot with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


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.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer

Get rid of CryptoLoot from Mac OS X.


Step 1: Uninstall CryptoLoot and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


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 CryptoLoot:

Tip: To quit a process completely, choose the “Force Quit” option.


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 CryptoLoot. 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 CryptoLoot. 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 CryptoLoot 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:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

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 CryptoLoot. If you believe there is no such file, do not delete anything.

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 CryptoLoot files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as CryptoLoot, 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.


Click the button below below to download SpyHunter for Mac and scan for CryptoLoot:


Download

SpyHunter for Mac



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Remove CryptoLoot 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.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Erase CryptoLoot 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.



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Uninstall CryptoLoot 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.



Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Remove CryptoLoot 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".

stf-safari preferences


Step 4: After that, select the 'Extensions' Tab.

stf-safari-extensions


Step 5: Click once on the extension you want to remove.


Step 6: Click 'Uninstall'.

stf-safari uninstall

A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the CryptoLoot will be removed.


How to Reset Safari
IMPORTANT: Before resetting Safari make sure you back up all your saved passwords within the browser in case you forget them.

Start Safari and then click on the gear leaver icon.

Click the Reset Safari button and you will reset the browser.


Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Eliminate CryptoLoot 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.


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