The Harvest Miner is a new cryptocurrency miner that is currently in development. Another example of such malware is the infamous Bitcoin miner virus. Its creators have created it as an open-source alternative to the popular CoinHive script. We suspect that it will gain a very large popularity once it is ready.
|Type||CryptoCurrency Miner Malware|
|Short Description||Aims to mine for different cryptocurrencies on the victim’s computer after which may begin to|
|Symptoms||The Harvest Miner miner may begin to slow down your computer by using over 90% of both your CPU and GPU. This may result in your cooling fans to work at higher speeds.|
|Distribution Method||Via bundled installers, fake setups or via other PUP that has already been installed on your PC.|
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|User Experience||Join Our Forum to Discuss Harvest Miner.|
Harvest Miner Virus – Distribution Methods
The Harvest Miner is usually deployed to the victim computers via a web-based infection. This is done by placing a malware script into hacker-controlled sites. They are usually made using templates that pose as legitimate web services: download portals, web search engines and etc.
Such threats can also be pushed through spam email messages that contain interactive and rich text elements. A popular way of integrating coinminer scripts is to use various social engineering tactics in order to fool the victims into interacting with the malware component.
Another example would be the integration of the dangerous code in web scripts such as ads, banners, pop-ups and redirects. They are widely used on different sites and easily forwarded to the victims. In the last few months there has been a noticeable surge in the development of spam messages in the social networks. The criminals use hacked or stolen user credentials and post messages and posts that attempt to redirect the victims.
Harvest Miner Malware – Malicious Activity
The Harvest Miner follows the usual infection strategy used by other similar threats. Upon invocation it is loaded into memory and begins to take advantage of the available hardware resources to perform complex and intensive operations that result in the generation of cryptocurrency value that is sent to the criminal operators. At the moment it supports the Monero currency which is one of the well-known alternatives to Bitcoin. It has several distinct advantages over it, among which is its privacy-centric workflow. Instead of the public nature of Bitcoin’s blockchain the one used in Monero keeps the amount of transactions private. It is also difficult to pinpoint the transaction senders and receivers unless specific values are known. Monero is also known for having significantly lower transaction fees.
The Harvest Miner can be loaded into the browsers and can run efficienty once loaded into memory. At the moment the testing samples still do not match the performance ratings of more mature miners, however development is ongoing. The fact that the dangerous applications can run from a simple script makes it very dangerous. The compact size means that it can be executed from a variety of different types of pages.
The developers note that it is written using WebAssembly which means that browser-based attacks can directly invoke low-level byte code. The current implementation depends on several components:
- JobThread — WebWorker Dispatcher.
- WebWorker — Bundled WebAssembly/Assembly.js.
- CryptoNote — Hashing Algorithm.
The code analysis shows that the Miner is used by the attackers to dispatch the malware commands to the JobThreads module. Its functions are to handled the requests and present the mining statistics: hash rate, total average, throttle and etc. The JobThread module is the part of the malware that is actually assigned with the task of controlling the miner threads. It interfaces with the CryptoNote algorithm specifications. All resulting operations are reported to the Miner instance which reports to the hacker operators via a network connection.
At the moment a final version is still not available however we suspect that once this is done the Harvest Miner will be adopted by the masses. The reason for this being is the fact that it is advertised as the open-source alternative to CoinHive which is one of the most popuar ways to deploy cryptocurrency miners. The main distinction and advantage of the Harvest Miner is the fact that it does not require a developers fee. All proceedings would go to the site operators.
Remove Harvest Miner Virus and Protect Your PC
Q: How Do I Remove Harvest Miner and How Do I Protect Myself In the Future?
A: In order to remove the Harvest Miner miner, you should first stop the malicious processes of the malware by entering Windows Task Manager and stopping the malicious task by right-clicking on the Harvest Miner process and clicking on End Process or End Process tree. This results in the virus stopping to mine. After doing so, you may want to remove the malware preferably by following the automatic or manual removal instructions below, if you have removed malware manually and have the experience. Be advised that security experts strongly recommend to remove the Harvest Miner miner malware automatically by downloading an advanced anti-malware software, that aims to scan for and erase all malware from your system plus protect it against future infections as well.
- Guide 1: How to Remove Harvest Miner from Windows.
- Guide 2: Get rid of Harvest Miner on Mac OS X.
- Guide 3: Remove Harvest Miner in Google Chrome.
- Guide 4: Erase Harvest Miner from Mozilla Firefox.
- Guide 5: Uninstall Harvest Miner from Microsoft Edge.
- Guide 6: Remove Harvest Miner from Safari.
- Guide 7: Eliminate Harvest Miner from Internet Explorer.
- Guide 8: Disable Harvest Miner Push Notifications in Your Browsers.
About the Harvest Miner Research
The content we publish on SensorsTechForum.com, this Harvest Miner 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 Harvest Miner?
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 Harvest Miner 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 Harvest Miner from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Harvest Miner
Step 2: Uninstall Harvest Miner 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 Harvest Miner 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 Harvest Miner 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 Harvest Miner 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 Harvest Miner (Windows).
Get rid of Harvest Miner from Mac OS X.
Step 1: Uninstall Harvest Miner 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 Harvest Miner:
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 Harvest Miner. 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 Harvest Miner. 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 Harvest Miner 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 Harvest Miner. 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 Harvest Miner files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Harvest Miner, 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 Harvest Miner (Mac)
Remove Harvest Miner 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 Harvest Miner 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 Harvest Miner 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 Harvest Miner 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 Harvest Miner will be removed.
Eliminate Harvest Miner 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 Harvest Miner 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".
Harvest Miner FAQ
What is Harvest Miner?
The Harvest Miner 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 Harvest Miner?
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 Harvest Miner?
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 Harvest Miner?
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.