Remove JS:Miner – AA (Coinhive Virus)

This article can help you to remove JS:Miner – AA Virus. The step by step removal works for every version of Microsoft Windows.

JS:Miner – AA is a Trojan horse. Unlike other viruses of this category, this Trojan doesn’t corrupt your entire system. It targets your web browsers. JS:Miner – AA, also known as Coinhive Virus, is a malicious JavaScript code which executes when you visit corrupted websites. The parasite follows orders to turn your browser into a coin mining device. When such a corrupted website is opened in your browser, your device mines cyber coins for the crooks. The Trojan forces your computer to provide accounting services for a coin platform. In exchange for its services, your device gets rewarded with fractions of the coin. The longer it serves, the bigger the profit. Thus, the crooks corrupt “engaging” websites that would grab your attention for long periods of time. Such websites are usually video platforms, gaming pages, and even online retailers, but it can be any website. You can never know who got hacked, so you better use online protection. The JS:Miner – AA infection has unwanted side effects which can ruin your browsing experience, as well as cause damage. The virus slows your system down. It also causes browser crashes and program failures. The coin mining process is very intensive and resource-consuming. JS:Miner – AA takes everything your device has to offer and leaves nothing for you. This thief has no place on your computer. Spare yourself many future headaches. Clean your system for good!

How did I get infected with?

JS:Miner – AA Trojan hides in the shadows. It lurks on corrupted websites. Coinhive get on these web pages either through hacker attacks or by intentional embedding. Many websites use the so-called drive-by mining to generate revenue. This new technology is used to replace the classic advertisements. The websites that use drive-by mining should disclose that in a noticeable and easy to understand manner. Also, they should ask your permission to use your computer resources. Of course, there are numerous cases, where hackers inject the mining code (such as JS:Miner – AA) on third-party websites. These hacked websites don’t disclose the mining as their owners don’t know what’s going on. The corrupted websites mine for the crooks. So there is no point in tolerating the process. You don’t sponsor the people that provide you with interesting content. You sponsor criminals. Don’t put up with this situation. If you notice JS:Miner – AA running on your PC, and you cannot recall approving such process, do not hesitate to stop it. For the very least, you were not asked whether you approve it or not. Such behavior can and should be considered stealing.

Why is this dangerous?

The JS:Miner – AA parasite has no place on your computer. This parasite uses trickery to steal your computer resources. The virus modifies your browser without your knowledge. The parasite follows orders to turn your device into a coin miner. The thing about coin mining is that this process is very heavy. It consumes your computer resources and leaves nothing for you. The process can be very annoying, but it may have a negative impact on your device. You would notice system underperformance, odd warnings, program failures, and even Internet connection instability. If you don’t stop the Trojan, it will wreak your device. JS:Miner – AA uses your CPU at very high temperatures. As you know, heat is bad for your hardware. The Trojan wears out your hardware. It shortens your CPU’s life significantly. Do you think that’s fair? The coin-mining process is profitable only if you don’t use your own resources. The crooks make a mint at your expense. Do not become their sponsor. Remove the Trojan immediately.

Manual JS:Miner – AA Removal Instructions

The JS:Miner – AA infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the JS:Miner – AA infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down JS:Miner – AA related processes in the computer memory

STEP 2: Locate JS:Miner – AA startup location

STEP 3: Delete JS:Miner – AA traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down JS:Miner – AA related processes in the computer memory

• Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
• Carefully review all processes and stop the suspicious ones.

• Write down the file location for later reference.

Step 2: Locate JS:Miner – AA startup location

Reveal Hidden Files

• Open any folder
• Click on “Organize” button
  
• Choose “Folder and Search Options”
• Select the “View” tab
• Select “Show hidden files and folders” option
• Uncheck “Hide protected operating system files”
• Click “Apply” and “OK” button

Clean JS:Miner – AA virus from the windows registry

• Once the operating system loads press simultaneously the Windows Logo Button and the R key.

• A dialog box should open. Type “Regedit”

• WARNING! be very careful when editing the Microsoft Windows Registry as this may render the system broken.

Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run]

• and delete the display Name: [RANDOM]

• Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:

Step 4: Undo the possible damage done by JS:Miner – AA

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for JS:Miner – AA, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

• Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
• go to Network and Internet
• then Network and Sharing Center
• then Change Adapter Settings
• Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!

 

• Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove JS:Miner – AA Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your whole system or network and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible virus leftovers or temporary files.