Trojan.Agent Gen-nullo – How To Remove

My anti-virus Avira reported that my laptop has been infected with Trojan.Agent Gen-nullo. What is Trojan Agent virus? How can I remove it completely because every time I have it removed by software, it comes back later. I cannot get it off. How do I find a way to remove it completely without using tools? If you still don’t have much experience dealing with virus, you can read this post to learn a good way to remove it.

Details of Trojan.Agent Gen-nullo :

It is believed that people who are affected with Trojan horse like Trojan.Agent Gen-nullo would have the experiences that their computer runs extremely slow than before and they cannot recall what makes it run slowly. after running a full scan to find out what happen to their poor machine, they realize that it is infected with a nasty Trojan virus. The scan result which shows that your computer is infected with Trojan virus can scare a lot of people because we all know that having this virus means the infected PC is involving in a big trouble. It takes over the free room of RAM and slows down PC performance without any alert so that you can barely run more than two programs on the infected PC. Besides decelerate the PC running speed, this new released Trojan horse is causing big problem in the infected machine as well.

As a nasty virus, it is created by the hacker to degrade security levels and intrudes more threats into the victim computer. It changes computer settings secretly to allow it to hide in registry entries which would makes it more difficult to be removed by software and allow it to act automatically as the system launches. It may lead you to unsafe site to bring in other members in Trojan family. It makes you suffer from financial losses when it has successfully changes your data back to its creators. It creators may copy your bank info and password and record each key stroking so that they can use your credit card to scam money. It’s Primary function is to violate your privacy and steal your personal info so that hackers can earn money from your important files. Leaving this virus in your computer would not only damage your computer but also makes you losing money so it would be a wise choice to have it removed before further damages.

The following instructions require certain levels of computer skills. If you’re not sure and are afraid of making any critical mistakes during the process, please live chat with YooCare Expert now.

How dangerous is the virus?

1. It allows the virus makers to access your computer remotely without letting you know.
2. It accesses your data, your tabs and browsing activity on all websites.
3. It is able to cause system crash and disable your executable programs.
4. It drops some other threats including malware, adware parasites and spyware into your computer.
5. It is capable of collecting your browsing history and other important data.
6.Your computer performs slower and slower.

Manual Removal Guides :

Trojan.Agent Gen-nullo is a malicious Trojan virus which can install itself into the computer system without your consent and awareness. It makes your computer work slowly and implants other nasty infections into the computer. To make things worse, this Trojan is a tool for the hacker to invade the infected computer to steal your information. It is recommended to remove it as quickly as possible. Users can follow the manual guide here to have it removed instantly.

1. Clean cookies

* Internet Explorer: Tools → Internet Options →the General tab, Delete the Cookies button can be directly seen in IE6, IE7 is to click the Delete Browsing History button then tick Cookies and click Delete.

* Firefox:Tools → Options → Privacy → Remove Individual Cookies → Delete corresponding cookies in the cookies showing box.

* Opera:Tools → Preferences → Advanced → Cookies →Delete corresponding cookies in Management Cookies.
2. Clean add-ons and extensions

* Internet Explorer:

(1). Click Start, type: Manage browser add-ons

(2). Hit Enter on your keyboard

(3). Click Manage add-ons and disable all the suspicious add-ons.

* Firefox:

(1). Click the Firefox menu and click Add-ons

(2). Click Extensions, select the related browser add-ons and click Disable.

* Google Chrome:

(1). Click the Customize and Control menu button →Tools→ click Extensions

(2). Select the related Extension and click Disable.

3. Show Hidden Files

(1). Click on the Start button and then on Control Panel

(2). Click on the Appearance and Personalization link

(3). Click on the Folder Options link

(4). Click on the View tab in the Folder Options window

(5). Choose the Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window.

4. Delete Virus Files

(1). Delete the related registry entries through Registry Edit

Guides to open registry editor: Click “Start” menu, hit “Run”, then type “regedit”, click “OK”

(2). Find out and remove the associated files of this browser hijacker virus.

Video Shows You How to Safely Modify Windows Registry Editor:


In sum, Trojan.Agent Gen-nullo is a stubborn virus which will bring nothing good but disaster to your computer and your life. Once infected, it will start to reduce safety class. with the help of low security level, it  can create a loophole to bring in other threats in to the target computer. Computer usually runs very slow after got infected with this virus. you will notice that it takes more time for the infected machine to response to every action and the network connection is being cut off from time to time. It disturb your daily life with computer. what is worse,  it is coveting your money. To protect your money, you need to remove it immediately.

If you have no idea of how to do that, please contact experts from YooCare Online Tech Support for further help.

Published by on October 20, 2013 12:30 pm, last updated on October 20, 2013 12:30 pm

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