How to Remove Js Downloader Virus

This article can help you to remove Js Downloader Virus. The step by step removal works for every version of Microsoft Windows.

The Trojans are the most feared cyber parasites. There is a good reason for that. These viruses slip in unnoticed and wreak utter havoc. Js Downloader is a typical representative of its malicious family. The virus uses trickery to enter your device undetected. Once in, it takes control of your OS. The parasite wastes no time. It corrupts everything in minutes. The virus modifies your Registry and corrupts essential system files. Then it starts its own malicious processes. And, of course, this happens in complete silence. The Trojan leaves no tracks. Its installation has no symptoms. You cannot notice the parasite in time to prevent it from succeeding. Yet, once successfully established, the Trojan changes its behavior. It becomes very intrusive. It interferes with your every computer-related activity. You might notice system underperformance, unstable Internet connection, system crashes. Your apps would take more time to load. Some apps may crash frequently. The Trojan makes a mess of your system. Js Downloader Trojan follows instructions to further corrupt your device. Its main function is to download malware. The Trojan acts as a backdoor to your system. This virus is unpredictable. It affects its individual victims differently. No one can tell you what the future holds. From the intrusive adware to the devastating ransomware, anything may infect your PC through the Trojan. Do not play with your luck. Act against the Trojan. Remove Js Downloader ASAP!

Remove Js Downloader

How did I get infected with?

Js Downloader virus did not hack your computer. The parasite doesn’t target individual victims. It uses mass-distribution methods to reach various potential victims. The parasite lurks behind fake updates and malicious links. It also hides in torrents and corrupted software bundles. The good old spam emails are also a possible cause of the infection. There are numerous virus-distribution methods. They all share something in common – they rely on your carelessness and naivety. Your caution, on the other hand, can keep your device secure and virus-free. Bear in mind that no anti-virus program can protect you if you act recklessly. You can download and install a parasite with just one click. Always keep your guard up! Stay away from shady websites. Download our software from reputable sources only. When available, use the Advanced installation option. Also, don’t skip the terms and conditions. If you cannot spare enough time to read the whole document, use an online EULA analyzer to scan it. And, of course, be extra careful with your inbox. Do not open unexpected messages. Take a minute to verify the sender first. You can enter the questionable email address into a search engine. If it was used for shady business, someone might have complained online. If the message is supposed to be from an organization, visit their official website. Compare the email addresses listed there to the sender’s address. If they don’t match, delete the pretender immediately.

Why is this dangerous?

Do not underestimate Js Downloader Trojan. It is a breach of your security. Other viruses may use it to infect your system. The Trojan maintain a connection to a remote server. This parasite communicates with its owners actively and is always ready to install a virus on your system. It all starts with an occasional online advert, but it escalates into a constant interference. It doesn’t matter whether you type a search inquire or watch a video, the Trojan is always there to annoy you. The prevents you from using your device normally. Yet, your comfort is not the biggest issue. The intrusive adverts are a decoy. They aim to distract you, so you won’t notice the real danger. Js Downloader jeopardizes your privacy. The Trojans are known for their espionage capabilities. Js Downloader is quite capable of stealing sensitive information. It is also very likely to install a nasty spyware and to monitor your online activities. The publishers of the virus target your wallet. They won’t hesitate to steal your personal information and financial details. You are dealing with criminals. You cannot win against them. Your best course of action is the immediate removal of the Trojan. The sooner you clean your computer, the better!

Manual Js Downloader Removal Instructions

The Js Downloader 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 Downloader 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 Downloader related processes in the computer memory

STEP 2: Locate Js Downloader startup location

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

STEP 4: Undo the damage done by the virus

STEP 1: Track down Js Downloader 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 Downloader 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 Downloader 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 Js Downloader

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 Downloader, 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 Downloader 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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