Delete Trojan.JS.Agent.QBF Virus From Infected PC

Trojan.JS.Agent.QBF is a nasty Trojan malware that can easily alter your Windows computer. This perilous threat is a silent intruder and can easily get installed on your machine without permission. This dubious Trojan horse is created and distributed by hackers to make illegal profit online. The main purpose of this nasty malware is to invade targeted PC, launch several attacks, inject harmful viruses, open backdoor and steal sensitive data. Trojan.JS.Agent.QBF virus firstly disable your anti-virus program to stay undetected. It will make your computer vulnerable by blocking your firewall security. It will control your Internet connection and modify DNS settings. This dubious Trojan.JS.Agent.QBF virus can also redirect your browser on malicious and harmful websites. It can bring other nasty malware by connecting to remote server automatically.

Trojan.JS.Agent.QBF virus can mostly get spread through bundled free third party programs, spam emails, suspicious websites, shareware and various other tricks. Once inside, it will create new registry keys for its automatic startup. It can also get back on your PC by using those malicious registry keys. This harmful Trojan malware will conduct several malevolent activities in your system background. Your computer will get extremely slow and show sluggish performance. Trojan.JS.Agent.QBF virus will brutally mess with your system files and programs. Most of your application fails to work and show unexpected errors. It can also create its copies and spread into different files or folders. It s very important to remove all the component and leftovers of this nasty malware otherwise it will get back again. You are advised to immediately remove Trojan.JS.Agent.QBF virus from your computer.

The first thin you need to keep in your mind is do not panic. There is nothing you can change now. If your system is infected then only option for you is to remove this infection. As the matter of fact, your regular anti-virus was unable to stop this infection, so it highly unlikely that it will completely remove this virus. So you need to find alternate methods to get rid of this harmful Trojan virus. Now if your anti-virus can detect this threat then it can give you the location of this infection, where you can find it and remove it. If you are unable to find the root folder of this threat then you need search your computer thoroughly using manual methods as described in this guide. If you are not confident in manual removal then you are advised try the Automatic Malware scanner to find hidden threats on your system. It is quite simple and risk free process in which you have to do nothing on your own. Just download and install the software on your system and scan your PC.

Special Offer

Trojan.JS.Agent.QBF can keep coming back to your system if its core files are not completely removed. So we recommend you to download the trial version of SpyHunter Malware Scanner and find out if it can detect all hidden threats on your system.

Download Spyhunter’s Anti-Malware Scanner Now!

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

Remove Trojan.JS.Agent.QBF From PC

Trojan.JS.Agent.QBF infection is a pernicious and notorious threat. It will keep creating new problems into your machine, so it very important to delete this malware permanently. Keep in mind that this virus may have created its several copies and distributed into different locations on your system under different names. It is quite important to delete all those files to get rid of this nasty Trojan.JS.Agent.QBF. Manual Removal can be hectic and take lots of time to detect the threat. So we suggest you to try Automatic Malware scanner to see if it can detect the virus for you which will save your time. Manual process is good but not so effective in most of the cases. Any slight mistake during the process can permanently damage your Operating System.So you should try the Automatic Anti-malware scanner for more accuracy and quick results. The trial version of the software is free to download and scan your computer, but if it detects the malware, you will need to register full version to remove the virus.

Manual Removal Tips

Step 1 – Start PC in Safe Mode With Networking

  • Click on “Windows Key and R” buttons together on keyboard.

  • Type “msconfig” into the Run box and click OK button.

  • You will find “System configuration box” on your screen.

  • Go to “boot” tab and select “safe boot” option and press “Ok”.

Step 2 – Kill Trojan.JS.Agent.QBF Related Process From Task Manager

  • Click on “Windows and R” keys together on keyboard.

  • Type “taskmgr” into Run box and click OK button.

  • Select unknown process and click on “Go to Details”.

  • Select “process” and click on End Process button.

Special Offer

Trojan.JS.Agent.QBF can keep coming back to your system if its core files are not completely removed. So we recommend you to download the trial version of SpyHunter Malware Scanner and find out if it can detect all hidden threats on your system.

Download Spyhunter’s Anti-Malware Scanner Now!

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

Step 3 – Remove Trojan.JS.Agent.QBF From Control Panel

Remove Trojan.JS.Agent.QBF from Windows XP

  • Click on Start button. Now Go to the Control Panel option.

  • In Control Panel Windows you can see Add or Remove Programs option.

  • Choose the Trojan.JS.Agent.QBF related program from the list and then click Remove tab.

  • Wait for the process to be end and then restart your system.

Uninstall Trojan.JS.Agent.QBF from Windows Vista

  • Click on the “Windows flag” from bottom left corner of your system screen. Now go to the Control Panel option of your PC.

  • In Program section click on Uninstall a Program option.

  • Here you can see the programs installed in your PC. Select Trojan.JS.Agent.QBF and make a right click on it then select Uninstall option.

  • Click on OK if confirmation is asked and wait for the process to end.

Uninstall Trojan.JS.Agent.QBF from Windows 7

  • From Start menu open Control Panel.

  • Under Program menu click on Uninstall a program option.

  • From the list of all programs select the Trojan.JS.Agent.QBF related malicious program . Finally click onto the Uninstall Tab.

Uninstall Trojan.JS.Agent.QBF from Windows 8

  • From right corner of screen click on search option and Type Control Panel.

  • In Control Panel Windows click on Uninstall a program.

  • Select and Uninstall all harmful programs installed in your system.

Uninstall Trojan.JS.Agent.QBF from Windows 10

  • In Start Menu search for Settings Option.

  • Now go to App and Feature option from the Setting box

  • Select the Trojan.JS.Agent.QBF related malicious program from the list and click on Uninstall button.

Step 4 – Find and delete malicious files generated by Virus in the paths listed below:

%Temp%\[malware name]

%AppData%\[malware name]

%LocalAppData%\[malware name]

%LocalAppData%\[malware name].exe

%CommonAppData%\[malware name]

%AllUsersProfile%random.exe

Step 5 – Remove Trojan.JS.Agent.QBF Extension From Browser

Remove Trojan.JS.Agent.QBF From Google Chrome

  • Run the Google Chrome browser and click on “Menu” button from upper right corner.
  • Select “More tools” and click on Extensions option.
  • Choose the malicious extension and click the “trash can icon”.

Remove Trojan.JS.Agent.QBF From Mozilla Firefox

  • Run the Mozilla Firefox browser and click on “Menu” button from upper right corner.
  • Select “Add-ons” and click on  “manage Add-ons” option.
  • Choose the malicious add-0n and click on the “Remove” button.

Remove Trojan.JS.Agent.QBF From Microsoft Edge

  • Open MS Edge browser and Click on More Tools from button from upper right corner.
  • Now choose “Extensions” option from drop down menu.
  • Choose the unwanted extension and click on “Uninstall” button.

Remove Trojan.JS.Agent.QBF From Internet Explorer

  • Run the Internet Explorer browser and click on “Menu” button from upper right corner.
  • Now you have to select the “manage Add-ons” option.
  • Choose the malicious add-on and click the “Disable” button.

Special Offer

Trojan.JS.Agent.QBF can keep coming back to your system if its core files are not completely removed. So we recommend you to download the trial version of SpyHunter Malware Scanner and find out if it can detect all hidden threats on your system.

Download Spyhunter’s Anti-Malware Scanner Now!

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

Step 6 – Remove Trojan.JS.Agent.QBF From Registry Editor

  • Click on “Windows and R” keys together on keyboard.

  • Type “regedit” in Run Box and click OK button.

  • Find and remove all Trojan.JS.Agent.QBF related entries.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe “Debugger” = ‘svchost.exe’

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe “Debugger” = ‘svchost.exe’

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Trojan.JS.Agent.QBF

HKEY_LOCAL_MACHINE\SOFTWARE\Remove\Trojan.JS.Agent.QBF

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnOnHTTPSToHTTPRedirect” = ’0′

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings “WarnOnHTTPSToHTTPRedirect” = ’0′

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore “DisableSR ” = ’1′

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe “Debugger” = ‘svchost.exe’

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “3948550101?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “xas”

HKEY_CURRENT_USER\Software\Trojan.JS.Agent.QBF

Step 7 – Block Unwanted Pop-ups On Your Browser

Block Unwanted Trojan.JS.Agent.QBF Popups on Google Chrome

  • Open your Chrome browser and go to settings option.
  • Now select the “Show advanced settings” option.
  • Find out the Privacy tab and click on Content settings.
  • Choose “Do not allow any site to show pop-ups (recommended)” option.

Block Phishing and Malicious Website in Google Chrome

  • Open Google Chrome and click on Chrome menu icon from top right corner.
  • Click on the Show advance setting option from the bottom on your browser.
  • From the Privacy section click the check box to Enable Phishing and Malware Protection option.

Block Unwanted Trojan.JS.Agent.QBF Popups on Mozilla Firefox

  • Open your Mozilla Firefox web browser.
  • Click on menu button and choose Options.
  • In the Content tab, check the “Block pop-up windows” option.

Block Phishing and Malicious Website In Firefox

  • Open Mozilla Firefox and click on menu icon from the top right corner.
  • Click on Option Menu and Choose Security option.
  • Click on Security option and Tick the following option.
  1. Warn me when sites try to install add-ons.
  2. Block reported attack sites
  3. Block reported web forgeries

Block Unwanted Trojan.JS.Agent.QBF Popups on Internet Explorer

  • Open Internet Explorer and Click on Tools button.
  • Select Pop-up Blocker and check the Turn on Pop-up Blocker option.
  • Now turn on the pop-up blocker.

Enable SmartScreen Filter in Internet Explorer

  • Open Microsoft Internet Explorer web browser in your PC.
  • Select the Safety option from upper menu list.
  • Now hit Report Unsafe website option to enable safe browsing.

Block Unwanted Trojan.JS.Agent.QBF Popups on Microsoft Edge

  • Open Microsoft Edge browser and Click on (…) option.
  • Select “Settings” and choose “View advanced settings” option.
  • Now turn ON the Block pop-ups option.

Enable SmartScreen Filter in Microsoft Edge

  • Open Microsoft Edge browser and Click on (…) option and select settings.
  • Click on Settings option and tap on View Advance Settings.
  • Scroll down and turn ON “Help protect my PC from malicious sites and downloads with SmartScreen Filter” option.

Note :- If you have followed all the above manual steps and still unable to remove Trojan.JS.Agent.QBF infection then you are suggested to take professional help. You should choose the Automatic Malware Scanner to detect the infection on your computer.

Very Important – Tips To Prevent Trojan.JS.Agent.QBF In Future

To avoid Trojan.JS.Agent.QBF coming back and prevent attacks from other infections, follow these basic rules while using your system:

– You should always select Custom Installation no matter what software you are going to install;

– Uncheck all hidden options which attempt to install additional programs you never need;

– Scan all downloaded attachments of email before you open them;

– Never open any attachments of unknown or spam emails;

– Do not visit adult / porn websites;

– Do not update any app from nonofficial websites.

Special Offer

Trojan.JS.Agent.QBF can keep coming back to your system if its core files are not completely removed. So we recommend you to download the trial version of SpyHunter Malware Scanner and find out if it can detect all hidden threats on your system.

Download Spyhunter’s Anti-Malware Scanner Now!

More information about SpyHunter and how you can Install SpyHunter, If wish to uninstall steps to uninstall. Please review SpyHunter’s EULAThreat Assessment Criteria, and Privacy Policy. Keep in mind, only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. You’ll need to purchase its full version if you want to remove the infection instantly.

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