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Dec 26, 2017 Manual JS/CoinMiner CPU Miner removal. These steps to delete JS/CoinMiner without any apps are presented below. Be sure to carry out the step-by-step guide completely to fully remove this JS/CoinMiner Miner which uses your precious GPU and CPU resources to generate digital money without your consent.
- Oct 19, 2017 it is a virus that creates many problems and i have not found the form or way to remove it avg only detects it but until it arrives, it does not eliminate it then passes 100 times that antivirus.
- Oct 14, 2017 OR Try Manual steps to remove JS:Miner-C, but before you try manual steps read the guidelines which is very important in this case. Users attempting manual steps must be well versed with the technical skills of the computer, because you have to.
Sep 16, 2018 Step 2 – Install Professional JS:Miner – AA Removal Tool – MacBooster Lite to detect and remove all infections connected with JS:Miner – AA and speed up your Mac. MacBooster Lite is one of the most powerful and popular anti-malware and optimization app designed for Mac OS. Dec 12, 2017 If you go to any site and look at the source code of any nice page, near the top, you will see a call for 'somethingorother.js'. These are calls for javascript files that your browser happily loads if allowed. JS/Miner is a Trojan not in the sense that its carrying a hidden load, but more in the sense that its pretending to be something its not.
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This article has been created in order to help explain what is the JS:MINER [Trj] miner malware and how to detect and remove it from your computer system.
A new miner malware, detected to be spread via the web browsers of the victims, using JavaScript has been reported to be existing and spreading and multiple different virus variants. The infection is a Trojan horse, infecting via JavaScript, hence it’s detection name JS:MINER [Trj] by major antivirus companies, like AVG and Avast. In the event that your computer has experienced the JS:MINER malware infection, recommendations are to read this article in order to learn how to fully erase this malware and prevent it from mining cryptocurrencies, like BitCoin or Monero on your computer.
Threat Summary
Name | JS:MINER |
Type | CryptoCurrency Miner |
Short Description | Aims to mine for various cryptocurrencies on your computer system(one or more), using it’s resources. |
Symptoms | Your computer is heavily overloaded and you may experience cooling fan noises, system performance slow-downs and interruptions. |
Distribution Method | Via malicious software, previously infected your PC, fake setups and malicious executables, disguised as legitimate ones. Macro infections are also a possibility. |
Detection Tool | See If Your System Has Been Affected by JS:MINER Malware Removal Tool |
User Experience | Join Our Forum to Discuss JS:MINER. |
JS:MINER Malware – How Does It Spread
A new cryptocurrency miner trojan was recently detected to mine various different types of cryptocurrencies via JavaScript. The malware has been dtected by several major antivirus companies t perofrm significatn miner activities via comrpomised software or websites.
In order to infect your computer, the malware primarily uses malicious websites. Such websites may be introduced on your computer as a result of having a Trojan horse or other type of malware or unwanted software previously infected your computer. In addition to this, the JS:MINER malware may also cause an infection by you having to click on a web link believing to be legitimate. Such web links may be concealed in malicious websites as download buttons or sent to you via e-mail, pretending to be legitimate messages with the link, disguised as a “button”, like the malicious e-mail, cleverly disguised as a legitimate Dropbox e-mail.
One of the main infection methods used to infect computers with JS:Miner:C is likely conducted via a Trojan horse, which may land on your computer as a result of a malicious e-mail attachment sent to you via e-mail, like the following. Mcculloch power mac 6 chainsaw service manual.
Another particular infection source of this virus is related to a web link, according to researchers who have reported it on Avast forums. Mac classic with manual.
JS:MINER Malware – Activity
Once it has infected your computer, the JS:MINER malware may come in several different variants, like:
- JS:MINER-A
- JS:MINER-B
- JS:MINER-C
- JS:MINER-D
- JS:MINER-E
- JS:MINER-F
- JS:MINER-G
- JS:MINER-H
- JS:MINER-I
Those are the variants of the malware that have so far been detected, the most prominent of which is the C version of the malware. When it infects your computer, this miner may also drop payload files directly on your computer, since it is classified as a Trojan Horse infection in general:
- %AppData%
- %Local%
- %LocalLow%
- %Roaming%
- %Temp%
- %Windows%
After the files of the virus are already on your computer, the malware may begin to perform different activities that make it run processes as an administrator on your computer and schedule tasks for automatic execution. This may result in various different activities to occur on your computer:
- It’s CPU usage may increase significantly.
- Increase in GPU utilization.
- It may freeze.
- Significant reduction of its performance.
These are side effects of this virus connecting your computer to a so-called mining pool. Such pools often aim to combine many infected computers by the JS:MINER viruses to the same mining wallet, increasing it’s mining power and hence generating more of the designated cryptocurrency the hackers behind these viruses have created. This results in them generating more cryptocurrency tokens at a smaller time frame as they infect more and more computers in time.
In addition to mining your computer for cryptocurrencies, the JS:MINER malware may also perform other activities on it, such as:
- Take screenshots of your desktop.
- Log your keystrokes.
- Obtain information about BitCoin wallets installed on your computer.
- Steal passwords and registration ID’s.
- Steal system information.
- Steal network information.
Even though it is not known for sure, the malware may do anything to remain hidden on your computer for longer periods of time and this includes updating itself plus downloading other malware or create copies of itself that are on standby in case you delete the original miner file manually. The virus may also perform activities on your computer that may result in JS:MINER mining your computer fileless, in other words by using your web browser without any files that are dropped on your PC.
JS:MINER Virus Family – How to Detect and Remove
In order to detect a JS:MINER virus, it is important that you track the utilization of your CPU and GPU. But, since these viruses are complicated and pretend to not use a significant ammount of your computer’s resources, you should download third-party software, such as CoreTemp and GPUTemp in order to check the actual temperature and usage of your PC’s components, required for mining to take place. If you detect an elevated temperature and usage, reccomendations are to remove JS:MINER from your computer by following the removal instructions down below. They are created in order to help remove JS:MINER either manually or automatically. Furthermore, experts also strongly advise to use an advanced anti-malware software in order to remove JS:MINER, since this will make sure that not only the virus is fully removed but your computer will stay protected against future threats as well.
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Can someone help me please? I have a petition running on Go Petition, and AVG is refusing to let me open it saying it has the above virus. I can't contact Go Petition because AVG won't let me open it - not sure what to do.
- October 5, 2017
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(Avast)
Hello Jenny,
I understand the situation. I suggest you disable AVG (Open AVG Internet Security > menu > settings > Troubleshooting > Passive Mode > Turn off the AVG Passive mode) and check if you are able to open the Go program.
I understand the situation. I suggest you disable AVG (Open AVG Internet Security > menu > settings > Troubleshooting > Passive Mode > Turn off the AVG Passive mode) and check if you are able to open the Go program.
- October 5, 2017
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Thank you, but sadly that had no effect, I'm getting a verbal waring, 'Threat has been detected'.
- October 5, 2017
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My mistake - it did work! I wasn't doing it properly. Only thing is I don't want to have to go all through that and restart twice every time. Am I OK to make this site an exception, or does it really have a virus?
- October 5, 2017
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I am happy to hear that you were able to add this URL to AVG exception list. Please send the sample https://www.avg.com/submit-sample of this URL to AVG analysis. We will check the same and if found genuine it will be added to global whitelist.
- October 5, 2017
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I tried to report the URL, but it kept asking for a file? What do you mean by a sample of this URL please?
- October 5, 2017
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Jenny, please select for 'Choose an appropriate request type' as 'False alarm on web resource' and check if you are able to submit the URL without submitting any sample file. If you get any error message, please send us the screenshot http://avgclick.me/getscreenshot of the same.
- October 5, 2017
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Jenny, If applicable. For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.
AVG Guru
AVG Guru
- October 5, 2017
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Js Miner Malware
Jenny SmedleyI did click on 'false alarm', but I will try the other suggestions, thank you.
- October 6, 2017
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I added the screenshot here - I hope you can see it.
- October 6, 2017
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Jenny,
If you need anything else, do not hesitate to let us know.
If you need anything else, do not hesitate to let us know.
- October 6, 2017
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You haven't sorted the current problem yet. I still can't open that page I did the screenshot of.
- October 6, 2017
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Js Miner C Trj
(Avast)Js Coin Miner
Hello Jenny,
I am sorry to hear that the issue persists. I have emailed you a link to get connected to our AVG remote support. Please follow the same and the concerned team will check this for you.
I am sorry to hear that the issue persists. I have emailed you a link to get connected to our AVG remote support. Please follow the same and the concerned team will check this for you.
- October 6, 2017
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Js Miner Trojan
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