Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
Note! Your computer might be affected by JS/CoinMiner and other threats.
Threats such as JS/CoinMiner may be persistent on your system. They tend to re-appear if not fully deleted. A malware removal tool like SpyHunter will help you to remove malicious programs, saving you the time and the struggle of tracking down numerous malicious files. SpyHunter’s scanner is free but the paid version is needed to remove the malware threats. Read SpyHunter’s EULA and Privacy Policy
Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
This article aims to show you how you can remove the JS/CoinMiner malware completely from your computer and how you can protect your computer against future infections as well.
A new JavaScript miner malware has appeared, infecting computers via websites that have it embedded on it, detected as JS/CoinMiner. The malware utilizes the CPU and GPU of your computer in order to mine for cryptocurrencies, like Monero and BitCoin at your expense. If you have come across the JS/CoinMiner threat, we recommend you to immediately scan you computer for other malware as well and remove any viruses, that may be redirecting you to websites causing JS/CoinMiner infections.
Threat Summary
Name
JS/CoinMiner
Type
JavaScript Miner Malware
Short Description
When this malware infects your computer, it may begin to use your central processor and video card’s resources in order to mine for the cryptocurrencies BitCoin or Monero.
Symptoms
No symptoms besides your CPU and GPU becoming overheated, as this malware tries to stay undetectable for longer periods of time.
Distribution Method
Via compromised websites or sites that embedded it.
Detection Tool
See If Your System Has Been Affected by JS/CoinMiner
The JS/CoinMiner cyber-threat is spread via more than one method. It is a JavaScript type of attack which means that it is a piece of code, utilized to download the malware on your computer via such script and automatically execute it. Such JavaScript code is usually embedded on suspicious and malicious websites, like torrent sites or other unconfirmed websites that aim to make profit at your CPU and GPU’s expense. Such sites have so far confirmed to come in the hundreds, including ThePirateBay, the world’s largest torrent tracker. So bottom line is, if you want to stay protected from JS/CoinMiner, you should install an advanced anti-malware software which unlike traditional protection programs uses a protection shield that is in real time against low-level threats, like JS/CoinMiner and can stop them before they have infected your PC.
JS/CoinMiner – More Information
Once your computer has been infected with JS/CoinMiner, the virus may drop an executable file somewhere on your computer. This file may be located in the following malicious Windows folders:
%AppData%
%Local%
%LocalLow%
%Roaming%
%Temp%
After the malicious file is dropped on your computer, the malware may also begin to execute various different types of commands to run the file automatically as an administrator. The malicious executable of JS/CoinMiner may also become fileless after it has been ran once on your PC and mine while you are online. The primary symptom of noticing this malware Is if your CPU or GPU usage(or both) is highly elevated without you using anything actively on your computer system.
Furthermore, since JS/CoinMiner is the type of malware that is intrusive, it may also obtain information about your computer, such as:
Any BitCoin wallets installed on it.
Passwords and registration accounts.
System information.
Network information.
Take screenshots.
Log keystrokes.
Although this is not confirmed, the malware may have embedded in it’s script, instructions that may help it to self-update and remain hidden for longer periods of time on your computer system.
Remove JS/CoinMiner Malware from Your Computer
Similar to Coinhive JS miner , this infection should be isolated before actually removing it, since it may be more complicated than it seems. Since having to manually look for the threat may take time, we have created simple instructions down below which show you in few simple steps how to isolate the JS/CoinMiner Malware and remove it automatically from your computer. Malware researchers and cyber-sec experts often advise to perform a scan with an advanced anti-malware software to discover other malware, besides JS/CoinMiner on your computer and remove all malicious objects effectively as well as protect your PC against future malware as well.
Note! Your computer system may be affected by JS/CoinMiner and other threats. Scan Your PC with SpyHunter SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as JS/CoinMiner. 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.
To remove JS/CoinMiner follow these steps:
1. Boot Your PC In Safe Mode to isolate and remove JS/CoinMiner files and objects
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
Boot Your PC Into Safe Mode
1. For Windows XP, Vista and 7. 2. For Windows 8, 8.1 and 10. Fix registry entries created by malware and PUPs on your PC.
For Windows XP, Vista and 7 systems:
1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu. 2. Select one of the two options provided below:
– For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.
– For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.
3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.
4. Log on to your computer using your administrator account
While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.
Step 1: Open up the Start Menu.
Step 2: Click on the Power button (for Windows 8 it is the little arrow next to the “Shut Down” button) and whilst holding down “Shift” click on Restart.
Step 3: After reboot, a blue menu with options will appear. From them you should choose Troubleshoot.
Step 4: You will see the Troubleshoot menu. From this menu choose Advanced Options.
Step 5: After the Advanced Options menu appears, click on Startup Settings.
Step 6: From the Startup Settings menu, click on Restart.
Step 7: A menu will appear upon reboot. You can choose any of the three Safe Mode options by pressing its corresponding number and the machine will restart.
Some malicious scripts may modify the registry entries on your computer to change different settings. This is why cleaning your Windows Registry Database is recommended. Since the tutorial on how to do this is a bit long and tampering with registries could damage your computer if not done properly you should refer and follow our instructive article about fixing registry entries, especially if you are unexperienced in that area.
2. Find files created by JS/CoinMiner on your PC
Find files created by JS/CoinMiner
1. For Windows 8, 8.1 and 10. 2. For Windows XP, Vista, and 7.
For Newer Windows Operating Systems
Step 1:
On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
Step 2:
Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
Step 3:
Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.
For Older Windows Operating Systems
In older Windows OS’s the conventional approach should be the effective one:
Step 1:
Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
Step 2:
After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
Step 3:
After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
Use SpyHunter to scan for malware and unwanted programs
3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
Scan your PC and Remove JS/CoinMiner with SpyHunter Anti-Malware Tool and back up your data
1. Install SpyHunter to scan for JS/CoinMiner and remove them.2. Scan with SpyHunter, Detect and Remove JS/CoinMiner. Back up your data to secure it from malware in the future.
Step 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.
Step 2: Guide yourself by the download instructions provided for each browser.
Step 3: After you have installed SpyHunter, wait for it to update automatically.
Step 1: After the update process has finished, click on the ‘Malware/PC Scan’ tab. A new window will appear. Click on ‘Start Scan’.
Step 2: 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.
Step 3: If any threats have been removed, it is highly recommended to restart your PC.
Back up your data to secure it against attacks in the future
IMPORTANT! Before reading the Windows backup instructions, we highly recommend to back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats. We recommend you to read more about it and to download SOS Online Backup.
Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.
This article aims to show you how you can remove the JS/CoinMiner malware completely from your computer and how you can protect your computer against future infections as well.
1. For Windows XP, Vista and 7.
2. For Windows 8, 8.1 and 10.
Fix registry entries created by malware and PUPs on your PC.
1. Install SpyHunter to scan for JS/CoinMiner and remove them.
Back up your data to secure it from malware in the future.
