PUA.WASMcoinminer Virus – How to Detect and Remove from Your PC
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PUA.WASMcoinminer Virus – How to Detect and Remove from Your PC

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Monero CryptoCurrency Miner imageThis article has been created in order to help you by explaining how to detect and remove the unwanted application PUA.WASMcoinminer which uses JavaScript to mine for cryptocurrencies on the victim’s computer.

New Cryptocurrency miner has been detected by malware researchers at Symantec, going by the detection name PUA.WASMcoinminer. The unwanted application runs primarily on the web browsers of victims and it may immeidately begin to decrease the performance of the computers of victims, since the malware uses a significant percentage of the victim’s CPU and GPU resources. In the event that you have fallen victim to PUA.WASMcoinminer, it is highly probable that this cryptocurrency miner may be running on your web browser as a result of having a PUA (Potentially unwanted Application) via WebAssembly. If so, we recommend that you focus on reading the following article in order to remove the PUA.WASMcoinminer from your computer.

Threat Summary

NamePUA.WASMcoinminer
TypeCryptoCurrency Miner PUP
Short DescriptionThe program may introduce browser redirects which aim to mine for CryptoCurrencies via JavaScript.
SymptomsElevated CPU and GPU usage. Slow computer performance. Suspicious browser extension. Browser redirects.
Distribution MethodVia bundled installers, fake setups or via other PUP that has already been installed on your PC.
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User ExperienceJoin Our Forum to Discuss PUA.WASMcoinminer.

PUA.WASMcoinminer – How Did I Get It

The main method as a result of which potentially unwanted software like the PUA.WASMcoinminer find themselves on your computer is via bundling or websites which install them automatically on your web browser. Such websites may often pretend to be legitimate updates of Java or other necessary software by displaying fake pop-ups(https://sensorstechforum.com/install-java-update-virus-pop-remove-fully).

The other more likely reasony why you might have this mner slowing down your computer system is if you have downloaded a free program installer, like your favorite media player or other free application which you may have sought to download and install. Usually some third-party websites of shady character aim to make it so that such installations include unwanted programs, like the PUA.WASMcoinminer, disguised as the so called “helper” apps that pretend to be legitimate applications that help you with your web browsing experience. In reality, however those programs do more harm than they actually help.

PUA.WASMcoinminer – What Does it Do

Once PUA.WASMcoinminer is on your computer, it may heavily modify your web browser’s settings. This may include the miner to add itself as a seemingly legitimate file extension directly on your web browser, without being seen.

When added the PUA.WASMcoinminer begins to act by it’s purpose, meaning that the PUA.WASMcoinminer may directly obtain control over your central processing unit and video card. This is done with the purpose to use them in order to mine for anonymous cryptocurrencies, like Monero or BitCoin.

Such mining operation is done by PUA.WASMcoinminer via JavaScript code which when executed connects your affected computer to what is known as mining pool. It is basically a combined network of computers in order to increase the mining (hashing) power and then divides the mined tokens from the cryptocurrencies according to the different wallets. The difference here is that all of the infected computers which have the PUA.WASMcoinminer installed and running may lead to the very same CryptoCurrency wallet as 1 mining rig and the more computers are running it the faster it generates cryptocurrency tokens for the cyber-criminals who are behind the PUA.WASMcoinminer. Below you can see how a cryptocurrency mining pool looks like logically from the example figure.

In addition to mining for cryptocurrencies, the PUA.WASMcoinminer is also a potentially unwanted software, meaning that it may also exhibit the same behavior as most such programs. This means that the application may display different types of advertisements that may generate hoax traffic to third-party sites to make money to it’s creator via pay-per-click and other type of online schemes. The advertisements which PUA.WASMcoinminer may display are many, including:

  • Pop-ups.
  • Banners.
  • Highlighted Text.
  • Browser redirects.

How to Remove PUA.WASMcoinminer from Your Browser and PC

To remove this unwanted software, your first step would be to isolate this virus by shutting down your web browsers immediately. After this, we advise you to save this web page as an html file and follow the removal instructions down below for manual removal, but only if you have the experience and feel sure that PUA.WASMcoinminer won’t come back after you have removed it. If not, security experts stronglya advise to remove PUA.WASMcoinminer automatically by downloading an advanced anti-malware software which will automatically scan for and erase all of the related objects dropped on your computer and browser as a result of PUA.WASMcoinminer. Having such software will also ensure that your PC is protected against future infections by malware as well.

Delete PUA.WASMcoinminer from Windows and Your Browser

1.Remove or Uninstall PUA.WASMcoinminer in Windows
2.Remove PUA.WASMcoinminer from Your Browser

Remove PUA.WASMcoinminer automatically by downloading an advanced anti-malware program.

1. Remove PUA.WASMcoinminer with SpyHunter Anti-Malware Tool
2. Back up your data to secure it against attacks related to PUA.WASMcoinminer in the future
Optional: Using Alternative Anti-Malware Tools

Ventsislav Krastev

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.

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