Remove Virus-CoinMiner (Web-Miner.Gemius)

This article can help you to remove Virus. The step by step removal works for every version of Microsoft Windows. (also detected as Web-Miner.Gemius) is a coin-mining virus which takes advantage of the drive-by-mining technology. This new concept is meant to replace the classic online advertisements. When you visit a website that uses drive-by-mining, you agree to spare a small percentage of your CPU power for coin mining. As compensation for your CPU power, the website doesn’t bombard you with advertisements. The coin mining should stop when you exit the website. That’s how it looks on paper. Sadly, the crooks have found a way to exploit the technology. forces your device to mine non-stop. Whether you browse your favorite website or watch a video, the parasite mines. And as if that’s not annoying enough, but the virus doesn’t limit its resource consumption. takes everything your computer has to offer and leaves nothing to you. It makes your operating system slow and unresponsive. You would notice that your apps take forever to load. They freeze and crash frequently. Errors and malfunctions pop up out of the blue. You might even find yourself forced to reboot your system repeatedly. A simple restart, however, won’t fix your problem. lurks somewhere in the shadows of your system and activates when you go online. Do not put yourself through this torture. Spare yourself many future headaches, remove the virus right now!


How did I get infected with? infects your system when you visit infected websites. It may also sneak into your OS through fake updates, corrupted links, pirated software, and spam messages. The virus lurks in the shadows. It waits for you to let your guard down. Do not make that mistake. No anti-virus app can protect you if you throw caution to the wind. Only your caution can keep your computer secure and virus-free. So, don’t be lazy. Always take the time to do your due diligence. Don’t visit suspicious websites. Download software and updates from reliable sources only. And, of course, be very careful with your inbox. Whether it’s an instant message or an email, treat all unexpected messages as potential threats. Always verify their senders. If, for example, you receive an email from an organization, go to their official website. Compare the email addresses listed there to the suspicious one. If they don’t match, delete the pretender. You can also enter the suspicious addresses into a search engine. If they were used for questionable activities, someone might have complained online. Even a little extra caution can spare you an avalanche of problems!

Why is this dangerous? is a complete and utter menace. It slithers into your OS and makes a mess out of your user experience. The virus slows down your operating system. As a result, your apps become sluggish, unresponsive, and prone to crashes. Errors and warning pop up when you least expect them. You can barely get a simple task done. The virus makes everything harder. Do not underestimate the situation, though. These annoying issues are not mere nuisances. They indicate how dangerous the virus can be. affects every component of your OS. Its aggressive mining wears out your hardware and threatens to shorten your CPU’s life significantly. The virus threatens to cause irreparable hardware damage. You risk ending up with an unusable device. And as if that’s not bad enough, but the virus also affects your electricity bill. It might sound strange, but the coin mining forces your device to consume an enormous amount of electricity. If you don’t stop the mining process promptly, the virus will affect your bills. Do not put up with his situation! makes a mint at your expense. This menace has no place on your PC. Find where it lurks and remove it upon detection. Clean your computer ASAP!

Manual Removal Instructions

The 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 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 related processes in the computer memory

STEP 2: Locate startup location

STEP 3: Delete traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down 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 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 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”


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

  • and delete the display Name: [RANDOM]

delete backgroundcontainer

  • 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

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, 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 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.

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