What is Java/Exploit.Agent.QTN?

Java/Exploit.Agent.QTN is a harmful Trojan horse that can bring many negative impacts to the infected computer. This aggressive Trojan horse has attacked thousands of Windows-based computers all over the world, so you have to be careful while surfing online. You should also know that this nasty Trojan horse never comes along. Once being installed on your computer, it will drop many other computer threats into your computer system, which can be spyware, adware, worms, rookits, ransomware and so on.

 

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Java/Exploit.Agent.QTN Virus settles down inside the deep parts of the system through overriding the system authentication guard which is typically used to block unauthorized access to the system. It attempts to close all the security services as soon as it gets entered the system with the purpose of avoiding malware detection. The real-time scanners of Windows Defender, Windows Firewall as well as Microsoft Security Essentials are not available anymore. The third-party anti-virus processes can possibly be damaged critically. Java/Exploit.Agent.QTN Virus also takes charge of the system network services to be capable of intercepting the specific running Internet connection once any security updates wish to get onto the workstation of the system. It takes actions to empower cyber hackers to manipulate system functioning and record user's valuable privacy issues remotely in case it notices that the system is fully unprotected. It also wastes considerably huge sum of network traffic to drop multiple types of malware into the system, which are proved to be capable of bringing about further cyber attacks. The system performance can be significantly affected by the activities triggered by Java/Exploit.Agent.QTN Virus because of the malware's formidable ability to exert system processes' resources, that is prepared for the system kernel to access essential system processes.

 

Unexpected activities made by Java/Exploit.Agent.QTN
1. This Trojan can run into the comprised system without user's consent.
2. This virus cannot remove through your antivirus programs.
3. This virus can create new files and registry, and change the settings of the internet browsers.
4. You will be redirected to malware sites and get a lot of pop up ads.
5. It can open a backdoor to other malware, worm, or other infections.
6. This program is created to help hackers to steal user important data, record visiting habits and so on and then they can use onto the marketing purpose.

 

How Does Your PC Acquire Java/Exploit.Agent.QTN Trojan

Java/Exploit.Agent.QTN can enter into the target computers slightly, and it often seeks thousands of ways to spread to the computers. If your computer has any system loophole or security fragility, it can catch a chance to infect your computer. Besides, if you are an innocent computer user, and click any spam email attachments, open any malware site, download freeware which has been bundled with this infection, or abnormal surfing activities, this Trojan can also get into your computer.

 

How to remove Java/Exploit.Agent.QTN Trojan horse effectively and completely?

Java/Exploit.Agent.QTN is an extremely dangerous Trojan that can seriously damage your computer security and your online safety. You should remove the Trojan horse as early as possible before causing fatal system errors. The following passage will introduce two removal methods to guide you to remove Java/Exploit.Agent.QTN Trojan horse. Free to choice the one you prefer to help you.

Solution 1: Delete Java/Exploit.Agent.QTN Automatically with Removal Tool SpyHunter.

Solution 2: Delete Java/Exploit.Agent.QTN Manually By Following the Instructions Given in This Post.

Solution 3: Delete Java/Exploit.Agent.QTN Automatically with Virus Removal Tool.

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Detail instruction (please perform all the steps in correct order)

Details for Solution 1: Delete Java/Exploit.Agent.QTN Automatically with Removal Tool SpyHunter.

Step one: Restart your computer in safe mode.
For Windows 7, Windows XP, and Windows Vista
1. Shut down the infected computer.
2. Repeatedly hit press F8 key before Windows Advanced Option Menu loads.
3. When the Windows loads, use arrow keys to highlight the "Safe Mode with Networking" option and then hit enter key to proceed.

safe-mode-with-networking3

Step Two: Click the blow button to download SpyHunter removal tool

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Step Three: Install related files by following the installation wizard and Run SpyHunter removal tool after the installation

spyhunter_install_finish

Step Four: Perform a complete and quick scan over the infected computer system

spyhunter_home_scan

Step Five: After the scan, select All and then click Remove to remove all the threats on your computer

spyhunter_scanresult

Details for Solution 2: Delete Java/Exploit.Agent.QTN Manually By Following the Instructions Given Below

Step one: Restart your computer in safe mode.
For Windows 7, Windows XP, and Windows Vista
1. Shut down the infected computer.
2. Repeatedly hit press F8 key before Windows Advanced Option Menu loads.
3. When the Windows loads, use arrow keys to highlight the "Safe Mode with Networking" option and then hit enter key to proceed.

safe-mode-with-networking3

For Windows 8
1. Start and login the infected computer until the Desktop shows on.
2. Press the Ctrl+ Alt+ Del combination key, the Switch User interface will pop up.

switch-user

3. Keep holding down the "Shift" key and simultaneously click on "Shut down" button once on the bottom right corner of the page.
4. There will be three options: Sleep, Shut down and Restart. Click on Restart option.
5. The next window says 'Choose an Option' screen, and then select "Troubleshoot."

choose-an-option

6. Click on 'Advanced Options'. In the following window choose 'startup settings. Choose 'restart,' and press F5/5 key to highlight the "Safe Mode with Networking" option.

Step two: Uninstall Java/Exploit.Agent.QTN from Control Panel.
For Windows 7, Windows XP, and Windows Vista
Open Control Panel from the Start button. And then confirm View as small icons.

For Windows 8
Navigate to the Control panel, just move the mouse cursor around on the Start screen to reveal a new Apps button.

apps-button-desktop

Click on the Apps button to display the Apps view and search the control panel from the search box.

control_panel_1

Reach the Control Panel page. Scroll down and locate at the unknown program related with the Trojan. And then click on Uninstall or Remove option on its right end.

uninstall-a-program2

Step three: Remove Show hidden files and folders of Java/Exploit.Agent.QTN.

For Windows 7, Windows XP, and Windows Vista
1. Press Start button and open Control Panel.
2. Open Appearance and Personalization link.
3. Double click on Files and Folder Option.
4. Click on the Show hidden files and folders option.
5. Under the "View" tab, check "Show hidden files, folders and drives" and uncheck "Hide protected operating system files. And then click on OK.

check-file

For Windows 8
1. Right click on anyway where around the applications.
2. Click on "All Apps" Double click on Windows Explorer.
3. Choose File Explorer, click View tab.
4. Check "File name extensions" and "Hidden items" options. Press Ok to apply changes.

win8-hidden-file4

5. Open local disks by double clicking on My Computer icon. Find out and remove the files associated with the Trojan.

Step four: Delete the registry entries of the Trojan.
1. Open Registry Editor by searching regedit from the start button or Apps view. On the Control Panel click Edit and click on Find.
2. Search for the Trojan and delete all the registry entries injected by the Trojan.

registry-editor-find1

Step five: Restart your computer normally to apply all changes when all the steps are finished.

Details for Solution 3: Delete Java/Exploit.Agent.QTN Automatically with Kaspersky Internet Security 2015.

Kaspersky Internet Security delivers premium PC protection from all Internet threats. Award-winning technologies, such as Safe Money technology, ensure your financial protection as you bank and shop online. While unique features, such as Webcam Protection and Wi-Fi security notifications, secure your online privacy and identity.

Kaspersky2015_download

Kaspersky Internet Security delivers premium PC protection from all Internet threats. Award-winning technologies, such as Safe Money technology, ensure your financial protection as you bank and shop online. While unique features, such as Webcam Protection and Wi-Fi security notifications, secure your online privacy and identity.

Real-time Internet protection against all viruses and online threats
Secures online banking and shopping with unique Safe Money technology
Safeguards your digital identity and privacy
Identifies suspicious and phishing websites
Prevents spying via unauthorized access to your webcam
Alerts you to dangerous public Wi-Fi networks
Helps you keep your children safe and responsible online
Hassle-free protection with maximum PC performance

Watching Similar Removal Video:How to Remove Windows Virus with Kaspersky

 

Anti Virus Software - 5 Key Features

Here is a list of 5 key features to look for in a top anti virus software product.

(1) Virus Scanning & Removal Capability - obvious point but you need to feel confident that your software will detect and remove the virus threats including worms and Trojans.

(2) Frequent Virus Definition update - the best anti virus software offers automatic updates which ensure the best protection for your computer. New virus threats emerge almost daily so it is critical your antivirus software's virus definition database is refreshed frequently.

(3) Control Panel - needs to be easy to use so that you can configure the key settings without requiring any technical knowledge or needing to contact support. It also needs to convey important information in a concise format for the home user with easy-to-follow instructions.

(4) Technical Support - this is really important. The best packages offer free technical support via phone or live chat. You will be surprised how many vendors actually charge for this - sometimes the charges per incident can be very high.

(5) Price / Value - a lot of the software vendors offer internet security suites which offer the anti virus software with other security tools including firewall software and spam filters. Typically these all-in-one packages offer better value for money than buying a standalone anti virus software. At a minimum it is important to consider buying a package which includes a decent firewall which monitors both incoming and outgoing internet traffic in your computer. The standard Windows firewall only monitors incoming traffic.

 

How to prevent from being infected by virus like Java/Exploit.Agent.QTN?

1. Never click on a link or attachment in an email from a untrusted source.
2. Be wary of files with a double extension such as .txt.vb or .jpg.exe.
3. Don¡¯t get access to illegal online contents such as gambling or porn.
4. Don¡¯t download unknown ¡°free¡± software from unfamiliar source.
5. Install real-time anti-spyware protection and keep it updated.

 

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