Background.js Virus

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Background.js

There are all kinds of unwanted and potentially hazardous type of software like Background.js virus in the virtual world. They vary from mere annoyances like browser hijackers, adware and PUPs to some really serious cyber threats the likes of Ransomware, Spyware, Rootkits and so on.

The Background.js Trojan

One of the top most dangerous kinds of software that you could come across are the representatives of the infamous Trojan Horse malware category. Pretty much every PC user has heard about those malicious programs and about their devastating capabilities. System corruption, data theft, espionage, unauthorized remote control over the PC, loading of other malware inside the targeted machine and many more are among the potential capabilities of a virus program of the Trojan Horse class.Another typical trait of those nasty threats is that they are really sneaky and could typically remain unnoticed which allows them to complete their nefarious tasks in complete stealth. All in all, this really is one of the nastiest types of malware programs you could get your machine infected with which is the reason why it is crucial that you have a good understanding of the main traits of those insidious malware programs so that you could keep your computer protected against them in the future. However, we understand that a lot of you have likely come to this article because a Trojan Horse virus has already attacked your PCs and you are now seeking a way to have the threat neutralized and eliminated. The particular Trojan Horse representative we are going to be focusing on in the next lines is the so-called Background.js virus – it is a new threat of the Trojan Horse family and it likely has the potential to execute a variety of harmful tasks and processes once inside a targeted computer. If you think you might have Background.js inside your machine, then we strongly advise you to refer to the following removal guide and the steps that it comprises. For users who might find it difficult to complete the manual instructions from the guide and for those of you who completed the steps but yet were not able to eradicate the virus, we have included in our guide a removal security program that you can also use for eliminating the Trojan so be sure to check it out if you feel like you might need the extra help.

The Background.js Trojan

As we said above, stealth is one of the main reasons why viruses like the Background.js Trojan are so successful and so popular among all kinds of hackers and online criminals. Typically, the Background.js Trojan would come to you as something that doesn’t initially look threatening since those virus programs usually use different forms of disguise and rely on the user’s negligence and lack of care.

Anything from illegally distributed programs, games and other software to deceitful online ads, offers and update requests could be a potential carrier of Trojan Horses. Also, we shouldn’t forget about the various forms of spam messages that could also carry such infections. A Trojan like Background.js could easily get sent to your e-mail or to any of your social network accounts in the form of a seemingly harmful message attachment. The important thing here is to never interact with any type of content that you come across on the Internet if you can’t be certain that it isn’t something potentially harmful.

One other issue with Background.js and other Trojans is their overall lack of symptoms and red flags which is why it’s advisable that you always keep a trusty and fully-updated antivirus program on your PC. Also, though not always, a Trojan could still cause different types of system disturbances such as errors, crashes and excessive RAM and processor use so always be on the lookout for such irregularities as they might indeed indicate that there’s malware on your computer.

Potential uses of Background.js and other Trojans

There are many different ways a Trojan virus could be utilized. As we mentioned, those versatile threats could spy on you, steal data from your computer, gain access to your online accounts, take control over your PC, fill the computer with more malware (Ransomware, Rootkits, etc.) and many others. It is thus oftentimes difficult to predict what the type of damage would be and what the malicious program would be used for in each separate case. However, one thing is always the same and that is the importance for taking swift action towards cleaning your PC and removing all Background.js-related data. Otherwise, if the malicious Background.js is allowed to remain on your computer, there could be all kinds of negative consequences that you’d surely not want to have to experience.

SUMMARY:

NameBackground.js
TypeTrojan
Detection Tool

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Remove Background.js


 If you want to remove Background.js as quick as possible, try these instructions:

  1. Click the Windows Start menu button and go to Control Panel.
  2. Once there, navigate to Programs and Features and select Uninstall a Program.
  3. Search for Background.js and remove it by clicking the Uninstall button at the top.
  4. Search for other suspicious programs in the list and uninstall them as well if they seem malicious.

If these instructions can’t help you to get rid of Background.js completely, please follow the guide below.


For the successful removal of the Trojan, it is best to boot your computer in Safe Mode.

Before you do that, however, make sure that you first Bookmark this page so you can get back to it after the reboot of your system.

WARNING! READ CAREFULLY BEFORE PROCEEDING!

*Source of claim SH can remove it.

Once the computer boots in Safe Mode,  go to your Windows Search field and type Task Manager. Open the Task Manager app and click on the Processes tab. Carefully scroll the list of active processes and if you find a questionable one, right-click it. Then, select the Open File Location option from the pop-up menu.

Use the online virus scanner below to scan the files in that location for malware: 

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    If they turn out to be malicious, end the processes they are related to and delete the folders that contain them. 

     

    Next, open a Run dialog box by pressing the Start and R keyboard keys together. In that box, type appwiz.cpl and click OK.

     

    You will find yourself inside the following directory: All Control Panel Items>>>Programs and Features

    Carefully look for suspicious entries in the program’s list and if you find any Trojan-related programs, Uninstall them. Don’t get scared if a prompt window like the one below pops up when you click on the Uninstall option. Just make sure you choose NO and complete the uninstallation process:

     

     

    *Source of claim SH can remove it.

    Background.js may have added some malicious entries in the Registry, which need to be detected and removed if you want to get rid of the Trojan fully. That’s why the next place where you have to search for malicious traces is the Registry Editor. Just type Regedit in the windows search field and press Enter to open it and then press CTRL and F keyboard keys together. Type the Name of the Trojan in the Find box and click on Find Next. All entries that are found with that name need to be deleted. 

    If no results are found in that way, go manually to these directories and delete/uninstall them:

    • HKEY_CURRENT_USER—-Software—–Random Directory. 
    • HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    • HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

    If you aren’t sure what exactly needs to be deleted, don’t hesitate to write us in the comments below this post.

     

    After the Registry is clean from the Trojan’s traces, there is one more location where you have to check for malicious entries. Type msconfig in the windows search field and click OK. You will find yourself in the System Configuration:

     

    Quickly tab on the Startup tab and search for entries that are related to Background.js in the list of Startup Items. Uncheck those entries if any and click OK.

    Finally, check your Hosts file for questionable IP addresses under Localhost as described below:

    1. Press the Start and R keyboard keys and copy this in the Run dialog that opens: notepad %windir%/system32/Drivers/etc/hosts
    2. Click OK and the Hosts file should open on the screen.
    3. Scroll down till you find Localhost and check for suspicious IPs like those on the image below:

     

    Please write us in the comments below this post if you find anything questionable and unusual as this may be an indication that your computer is hacked.

    If Background.js still doesn’t want to get removed from your computer even after you carefully complete all the steps in this guide, then you may need to scan your computer with the recommended removal tool and follow its instructions.


    About the author

    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.

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