How To Remove JS:Trojan.JS.Agent.PRE From Computer

Tips To Delete JS:Trojan.JS.Agent.PRE From System

JS:Trojan.JS.Agent.PRE is a highly dangerous malware infection that falls under Trojan category. This hazardous virus can easily enter the targeted PCs without users’ approval and conduct a series of malicious activities in the background. Initially, it hides itself in the deep corner of the machine so that it could not be easily detected by the scanning of anti-malware programs. After that, it starts performing malevolent deeds inside and causes several pernicious issues such as frequent system crash, hard drive failure, data loss, boot errors, application malfunctioning and so on. This notorious trojan is able to deactivate all the running security services and make the device vulnerable for more nasty infections.

JS:Trojan.JS.Agent.PRE allows other Online parasites such as adware, rootkits, worms, spyware and even deadly ransomware to get into your PC as well and cause more damages inside. A crypto-virus tends to encrypt users’ crucial files and data until the victims pay the attackers a sum of ransom to unlock it. This perilous trojan makes spiteful entries in Windows registries and alters its default settings in order to get automatically activated with each Window reboot. It messes with important system files which assure efficient computer functioning and prevents many installed apps as well as drivers from working in an appropriate manner. So, it is necessary to get rid of JS:Trojan.JS.Agent.PRE from the device as early as possible.

How Does This Perilous Trojan Enter Your Computer:

Opening spam email attachments, visiting harmful websites, using infected removal drives, sharing peer to peer network, downloading freeware programs from unverified sources etc. are prime reasons behind its intrusion. And therefore, you should stay away from these malicious sources to keep the device harmless and secured. Ignore suspicious emails coming from unknown sender as they may contain malevolent attachment which automatically get triggered and leads to the malware intrusion once you click on it. Always chose Custom or Advanced configuration settings while installing an application and deselect the unwanted tools which look suspicious.

Threat Summary

Name- JS:Trojan.JS.Agent.PRE

Category- Trojan

Description- Aims to deactivate running security services of the computer and drop more infections in the machine as well as help the criminals to get access to the infected device.

Symptoms- Slowness of system’s performance, fake error messages, security alerts and so on.

Distribution- Spam email campaigns, malicious file downloads, P2P file sharing, and many more.

Removal- Manual and automatic guidelines as provided under this article

Other Harmful Properties of JS:Trojan.JS.Agent.PRE:

JS:Trojan.JS.Agent.PRE monitors your web activities and collects important information regarding your preferences by the help of which, its authors generate and display eye-catching advertisements. And hence, you are bombarded with thousands of intrusive ads and pop-ups all over the day that makes your Online browsing very complex and problematic. It redirects you to phishing, scamming or even malware-laden sites that are fully occupied with malicious contents and cause more threats to your work-station. JS:Trojan.JS.Agent.PRE enables remote hackers to get access to your PC and execute evil acts inside for their delicate welfare.

This hazardous trojan can also steal your personal and confidential data such as user IDs, passwords, credit card, bank account and other financial details and expose those stuffs to hackers for evil purposes. Scammers can misuse your sensitive data for generating illicit revenues and cause you to suffer a big financial loss. It consume huge amount of memory resources and drags down the overall PC performance severely. Due to this, machine starts responding in a very slow manner and takes more than usual time to complete any task. And hence, don’t waste any time. Just take a quick action and remove JS:Trojan.JS.Agent.PRE from the system by following the complete removal guideline like the one given below.

Antimalware Details And User Guide

Click Here For Windows

Click Here For Mac

Important Note: This malware asks you to enable the web browser notifications. So, before you go the manual removal process, execute these steps.

Google Chrome (PC)

• Go to right upper corner of the screen and click on three dots to open the Menu button
• Select “Settings”. Scroll the mouse downward to choose “Advanced” option
• Go to “Privacy and Security” section by scrolling downward and then select “Content settings” and then “Notification” option
• Find each suspicious URLs and click on three dots on the right side and choose “Block” or “Remove” option

Google Chrome (Android)

• Go to right upper corner of the screen and click on three dots to open the menu button and then click on “Settings”
• Scroll down further to click on “site settings” and then press on “notifications” option
• In the newly opened window, choose each suspicious URLs one by one
• In the permission section, select “notification” and “Off” the toggle button

Mozilla Firefox

• On the right corner of the screen, you will notice three dots which is the “Menu” button
• Select “Options” and choose “Privacy and Security” in the toolbar present in the left side of the screen
• Slowly scroll down and go to “Permission” section then choose “Settings” option next to “Notifications”
• In the newly opened window, select all the suspicious URLs. Click on the drop-down menu and select “Block”

Internet Explorer

• In the Internet Explorer window, select the Gear button present on the right corner
• Choose “Internet Options”
• Select “Privacy” tab and then “Settings” under the “Pop-up Blocker” section
• Select all the suspicious URLs one by one and click on the “Remove” option

Microsoft Edge

• Open the Microsoft Edge and click on the three dots on the right corner of the screen to open the menu
• Scroll down and select “Settings”
• Scroll down further to choose “view advanced settings”
• In the “Website Permission” option, click on “Manage” option
• Click on switch under every suspicious URL

Safari (Mac):

• On the upper right side corner, click on “Safari” and then select “Preferences”
• Go to “website” tab and then choose “Notification” section on the left pane
• Search for the suspicious URLs and choose “Deny” option for each one of them

Manual Steps to Remove JS:Trojan.JS.Agent.PRE:

Remove the related items of JS:Trojan.JS.Agent.PRE using Control-Panel

Windows 7 Users

Click “Start” (the windows logo at the bottom left corner of the desktop screen), select “Control Panel”. Locate the “Programs” and then followed by clicking on “Uninstall Program”

Windows XP Users

Click “Start” and then choose “Settings” and then click “Control Panel”. Search and click on “Add or Remove Program’ option

Windows 10 and 8 Users:

Go to the lower left corner of the screen and right-click. In the “Quick Access” menu, choose “Control Panel”. In the newly opened window, choose “Program and Features”

Mac OSX Users

Click on “Finder” option. Choose “Application” in the newly opened screen. In the “Application” folder, drag the app to “Trash”. Right click on the Trash icon and then click on “Empty Trash”.

In the uninstall programs window, search for the PUAs. Choose all the unwanted and suspicious entries and click on “Uninstall” or “Remove”.

After you uninstall all the potentially unwanted program causing JS:Trojan.JS.Agent.PRE issues, scan your computer with an anti-malware tool for any remaining PUPs and PUAs or possible malware infection. To scan the PC, use the recommended the anti-malware tool.

How to Remove Adware (JS:Trojan.JS.Agent.PRE) from Internet Browsers

Delete malicious add-ons and extensions from IE

Click on the gear icon at the top right corner of Internet Explorer. Select “Manage Add-ons”. Search for any recently installed plug-ins or add-ons and click on “Remove”.

Additional Option

If you still face issues related to JS:Trojan.JS.Agent.PRE removal, you can reset the Internet Explorer to its default setting.

Windows XP users: Press on “Start” and click “Run”. In the newly opened window, type “inetcpl.cpl” and click on the “Advanced” tab and then press on “Reset”.

Windows Vista and Windows 7 Users: Press the Windows logo, type inetcpl.cpl in the start search box and press enter.  In the newly opened window, click on the “Advanced Tab” followed by “Reset” button.

For Windows 8 Users: Open IE and click on the “gear” icon. Choose “Internet Options”

Select the “Advanced” tab in the newly opened window

Press on “Reset” option

You have to press on the “Reset” button again to confirm that you really want to reset the IE

Remove Doubtful and Harmful Extension from Google Chrome

Go to menu of Google Chrome by pressing on three vertical dots and select on “More tools” and then “Extensions”. You can search for all the recently installed add-ons and remove all of them.

Optional Method

If the problems related to JS:Trojan.JS.Agent.PRE still persists or you face any issue in removing, then it is advised that your reset the Google Chrome browse settings. Go to three dotted points at the top right corner and choose “Settings”. Scroll down bottom and click on “Advanced”.

At the bottom, notice the “Reset” option and click on it.

In the next opened window, confirm that you want to reset the Google Chrome settings by click on the “Reset” button.

Remove JS:Trojan.JS.Agent.PRE plugins (including all other doubtful plug-ins) from Firefox Mozilla

Open the Firefox menu and select “Add-ons”. Click “Extensions”.  Select all the recently installed browser plug-ins.

Optional Method

If you face problems in JS:Trojan.JS.Agent.PRE removal then you have the option to rese the settings of Mozilla Firefox.

Open the browser (Mozilla Firefox) and click on the “menu” and then click on “Help”.

Choose “Troubleshooting Information”

In the newly opened pop-up window, click “Refresh Firefox” button

The next step is to confirm that really want to reset the Mozilla Firefox settings to its default by clicking on “Refresh Firefox” button.

Remove Malicious Extension from Safari

Open the Safari and go to its “Menu” and select “Preferences”.

Click on the “Extension” and select all the recently installed “Extensions” and then click on “Uninstall”.

Optional Method

Open the “Safari” and go menu. In the drop-down menu, choose “Clear History and Website Data”.

In the newly opened window, select “All History” and then press on “Clear History” option.

Delete JS:Trojan.JS.Agent.PRE (malicious add-ons) from Microsoft Edge

Open Microsoft Edge and go to three horizontal dot icons at the top right corner of the browser. Select all the recently installed extensions and right click on the mouse to “uninstall”

Optional Method

Open the browser (Microsoft Edge) and select “Settings”

Next steps is to click on “Choose what to clear” button

Click on “show more” and then select everything and then press on “Clear” button.

Conclusion

In most cases, the PUPs and adware gets inside the marked PC through unsafe freeware downloads. It is advised that you should only choose developers website only while downloading any kind of free applications.  Choose custom or advanced installation process so that you can trace the additional PUPs listed for installation along with the main program.