I have Avira and Avast installed on my new laptop, but the nightmare still happens. The Trojan virus named TrojanDownloader:JS/Nemucod.L now stays on laptop. And Avira and Avast cannot do anything to remove this virus. I don’t know how and when this Trojan infection gets on computer and two antivirus programs have not any notice. Is it possible to remove this stubborn virus from my new laptop? Can you give some tips to help me out of this issue?

TrojanDownloader:JS/Nemucod.L Virus Description:

TrojanDownloader:JS/Nemucod.L virus is harmful and dangerous Trojan infection which needs to be removed as soon as possible, otherwise it will create more and more loopholes and damages on infected computer. This virus cannot be blocked by any antivirus programs to enter targeted computer. Once the antivirus scan it, that means this virus has been on the computer for a period. It can easily enter the targeted computer without your notice. Well, actually most viruses, adware and malware are mainly spread online. When PC users click on something malicious carelessly on the Internet, the infection will get on computer soon.  For example, cyber criminals usually like to insert the threat into those malicious websites as some attractive form to lure innocent users to click on to open. One click will bring those unwanted infection into your machine. So you’re strongly suggested not to visit malicious contents. Also you need to be careful of what you download from the Internet especially the process of installation. This virus may also be added into some software by remote hackers. The virus will come while you’re installing the program you need. In this case, many computer experts strongly advise to choose customized installation which will make you clearly know the unwanted program and delete it by the way. Anyway, on the Internet, what you should do is to pay attention to your behavior well to prevent threats from accessing to your machine.

TrojanDownloader:JS/Nemucod.L virus will surely do evil activities on infected computer, which you cannot imagine. It has a strong ability to corrupt system files and disorder windows registry. It enters system and changes the settings of system to disorder system function. Many crucial system files can be damaged or re-edited or deleted by this Trojan horse, which will severely cause the system to run improperly. It even can invade and destroy antivirus programs’ firewall and remove files related to security tool, which will make your security tool disable and becomes useless. That is why some victims even cannot get any security report from their antivirus and security tool cannot remove it at all. It is very tricky. In order to deeply root in your computer, it also can duplicate itself into computer security loopholes and hide in many places of the hard drive. What’s worse, this TrojanDownloader:JS/Nemucod.L is capable to exploit system loopholes to open the backdoor for other infections to infect computer like browser hijacker, adware, spyware, worms, or ransomware. More threats get on your computer will create more loopholes in system and computer will be more vulnerable and weaker. Therefore, to save infected computer, you should figure out the way to remove this harmful Trojan malware soon as you find it on computer.

Some Traits about TrojanDownloader:JS/Nemucod.L Virus

-Can slow down the performance of the computer, or even blue screen.

-Can create many junk files which occupy a lot of space in hard drive.

-Can download other malicious programs into computer, which make further damage.

-Can redirect you to pages you don’t want all the time no matter what you are doing.

-Take a long time to turn on or shut down your computer

-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.

-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

Warm prompt: It’s complicated for people who are not computer savvy or not familiar with the virus to remove the TrojanDownloader:JS/Nemucod.L. You can contact YooCare/YooSecurity PC professional online service for help:

Removal Guide for PCs with Windows OS

There is a removal guide of Trojan provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

>>>>>> Press Ctrl+Shift+Esc keys simultaneously to get the Task Manager to stop the active processes of TrojanDownloader:JS/Nemucod.L virus. To do this, you will need to click the “Processes” tag at the top then find out suspicious processes and right click on them and select “End Process”.



>>>>>> Click “Start” menu at the lower left corner and type “regedit” in the search programs and files box and press Enter key. Then you will open the “Registry Editor”.



>>>>>> You will need to find out the suspicious registry files related to this Trojan virus in the Registry Editor, They are usually located in: HKEY_LOCAL_MACHINE > SOFTWARE. You need to distinguish them from their “Name” and “Data” at the right column. All of them will be randomly distributed. If you are not good at this, ask for an expert for help.

registry editor

>>>>>> After you find out the suspicious registry files, you need to find out where the .exe files of the Trojan virus locate. Usually, they will be in the operating system drive. To open it, you will need to click Start menu > Computer & My computer. Generally speaking, the Operating System drive is Local Disk (C:).


>>>>>> Basically speaking, all the related files of TrojanDownloader:JS/Nemucod.L virus will be located in Windows > System32. Find out all the files of the Trojan virus and delete them. Make sure that all the files you deleted are viruses, but not the files of the operating system. Any mistakes will cause data loss even system crash.


Video of Key Steps on How to Modify or Change Windows Registry:


TrojanDownloader:JS/Nemucod.L virus can severely attack your computer once it gets on your PC. It corrupts your system files, weakens the security level of the infected computer and modifies all your key registry settings as well as disables your firewall because of its root-kit. The CPU usage percentage will become higher than before, which will cause constant blue or black screen death and system freeze. this virus helps cyber criminals remotely control the infected PC. So hackers can do anything on your PC and get any information from your computer or by tracking your online history. And users’ personal information like credit card, bank account details, log-in passwords or other financial information could be leaked out. Victims of virus will suffer from financial loss. This Trojan must be removed as fast as possible to avoid further damages if you detect this nasty thing on your computer.

Warm prompt: If you are not computer savvy or not familiar with the virus to remove TrojanDownloader:JS/Nemucod.L virus. You can contact YooCare/YooSecurity PC professional online service for help:

Published by Tony Shepherd & last updated on May 27, 2015 4:40 am

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