Super Tutorial to Remove JS/Nemucod.L from Your PC

Hi, I’ve managed to remove a threat named JS/Nemucod.L from my computer (Windows7) but had no luck. Here is what I have done: 1. run Norton. 2. restore system. 3. run Malwarebytes. I have no ideas what else I can do since neither performing system restore nor running antivirus program works. Now my computer run extremely slowly and sluggishly, and is disconnected from the Internet from time to time, which nearly makes me mad. What should I do now? Any quick and effective solution recommended?

Recommendation: Run a powerful malware removal tool to effectively remove JS/Nemucod.L now!

If you are visiting this page, you may have been bothered by a Trojan called JS/Nemucod.L. It is crucial that you get rid of this infection from your PC immediately. Failure to do so could result in a series of unwanted problems, such as being disconnected from the network, missing important files, or worst yet, letting attackers to access your PC and do whatever they want. This article provides detailed information about JS/Nemucod.L and the useful guides to clean this threat out of your PC.

What is a Trojan?

A Trojan is a type of malware that often masquerades as legitimate software but actually performs some malicious activities on the target computer. For example, you download what appears to be a document file, but when you download and run it, it means that you unleash a malicious program that can do harm to your PC. Below are some destrutive actions could be done be a Trojan:

  • Crashing the computeror device.
  • Modifying, overwriting ordeleting files.
  • Erasing or corrupting important data.
  • Formattingdisks and destroying all contents stored in them.
  • Installing other types of malware.
  • Spying on user activities and access confidential information.

Common Trojans are Backdoor, Exploit, Rootkit, Trojan-Banker, Trojan-DDoS, Trojan-Downloader, Trojan-Dropper, Trojan-FakeAV, Trojan-GameThief, Trojan-IM, Trojan-Ransom, Trojan-SMS, Trojan-Spy, Trojan-Mailfinder, etc. They can perform different types of action on your computer. See more detailed description of these Trojans by checking here.

malware_types

Image source: http://galido.net/blog/worst-computer-viruses/#.V_w6WOyeqlU

What Is JS/Nemucod.L?

Threat Name JS/Nemucod.L
Category Trojan
Threat Level medium
Spreading Ways Email attachments, software downloads, instant messaging clients, suspicious popups, malicious websites
Affected Operating Systems WindowsXP/Vista/7/8/8.1/10
Aliases JS/Agent.47099; JS:Trojan.Crypt.NX; JS/Kryptik.47123
Detection Tool SpyHunter
Quick Solution Run SpyHunter to detect and remove this Trojan effectively
download-now

JS/Nemucod.L (full name: TrojanDownloader:JS/Nemucod.L) is a javascript downloader Trojan that downloads and executes other malware on the target computer. This Trojan can infect client computers in several ways. One of the most prevalent ways is through email attachments. Cyber hackers may send thousands of emails that seem to come from a trustworthy organization. The emails contain attachments (document files, audio files, image files, text files, etc) and the message encourages the recipients to open the attachments. When you download or open a malicious attached file and double click the javascript inside it, your default web browser (IE, Chrome or Firefox) will open a window and the Trojan will be downloaded and executed. This Trojan can also get into your PC via software download, instant message client, suspicous popups, and malicious websites.

  • Software Downloads It enters your computer through free software downloads, especially when you download illegal software or files shared through peer-to-peer networks.
  • Instant Messaging Clients It slips into your PC when you receive a file or click on a link sent by someone via instant messaging programs.
  • Suspicious Popups It lands on your PC when you click on a popup window which hides download link of the Trojan.
  • Malicious Websites It is automatically downloaded on your PC through malicious websites or legitimate websites which have been hacked by cyber hackers, especially when there are vulnerabilities in your web browser.

When JS/Nemucod.L is executed, it begins to download other malware onto your machine. According to a report by McAfee Labs, JS/Nemucod.L has different variants; the latest variant could download computer malware threats like TeslaCrypt Ransomware and its older variants download malware such as Miruef and Crowti.

How Does JS/Nemucod.L Do on Your PC?

Typically, a Trojan can perform a lot of tasks which have been set by the cyber hackers. JS/Nemucod.L is no exception. When installed on your computer, this Trojan will immediately create .exe files in the Temporary file directory. These files are named with random characters, and may look like this “oYGKURxi6m7.exe”. Then, it will connect to a remote host at davis1.ru through the port 80 in order to download its configuration data and even more malware onto your computer. The configuration data decide what the Trojan does on your PC. According to the computer security specialists, this Trojan’s activities could include downloading malicious files, installing other malware (like password stealer Win32/Fareit and ransomware Trojan Win32/Crowti.A), uploading files to a remote server, recording keystrokes, taking screen captures, stealing bank account or credit card information, damaging important files & data, and creating a backdoor that can be used by the remote hackers to control your PC. This Trojan will also do some other things to avoid detecton and removal. It may disable the Windows Defender or other third-party antivirus programs by terminating the running processes. Besides, it may deactivate the internet connection to prevent you from downloading security tools or installing updates for the security tools.

It is highly recommended to remove JS/Nemucod.L from your PC promptly, or else it will bring various problems to your PC. A quick solution is to run a powerful malware removal tool to automatically detect and remove this threat.

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Bad Effects of JS/Nemucod.L

Here is a list of bad effects that JS/Nemucod.L could bring to you:

  • It takes a long time for your computer to start up, since the Trojan can download many other types of malware and the number of start-up items will increase.
  • Your computer runs slowly and sluggishly since processes of the Trojan and other malware can consume a great deal of memory.
  • You may not be able to run Windows firewall and other security-related applications, which makes your computer under risk of furthter malicious attacks.
  • Your Internet speed becomes extremely slow since the Trojan and other malware could use your network to download and upload files.
  • A lot of popups may constantly appear on your PC which cannot be disabled either by clicking the Close button or X button.
  • You may be redirected to undesirable websites, including hacked websites, phishing websites as well as ad- supported websites.
  • Some malicious or adverting websites may be added to your Favorites folder. If you accidentally visit these sites, you may unknownly download some malware or potentially unwanted programs on your PC.
  • Your activities on the computer could be monitored by the Trojan. For example, what you have done on a document file, what you have entered into a website, and what you have searched in a search engine. These data could be sent to the cyber hackers via emails or a specific server.
  • Some of your important files or data could be stolen or damaged by the Trojan, which can result in unwanted losses.
  • Your system could continuously restart itself or crash suddenly because of Blue Screen of Death errors or other critical system errors.

How Can You Remove JS/Nemucod.L from Your PC Effectively?

JS/Nemucod.L is a dangerous Trojan that can sneak into your computer system in different secret ways and then performs a variety of harmful activities on your PC. It can slow down your computer, corrupt your important data and files, bring other malware, spy your activities, and steal sensitive information, etc. The only way to avoid these problems is to quickly rmeove the Trojan from your PC. You can follow the instructions below to have it removed instantly.

Method 1: Remove the Trojan by performing system restore.
Method 2: Remove the Trojan automatically by using a malware removal tool.


Method 1: Remove the Trojan by performing system restore.

Sometimes, you can remove a malware from your PC by performing system restore. System Restore is a feature that enables you to restore your PC to a previous date, a date at which you know it was working well. But it should be pointed out that, this method doesn’t work, if the malware has infected the Restore Points. Therefore, we cannot ensure that you are able to remove JS/Nemucod.L effectively by restoring your system. Anyway, just have a try. Follow these steps please.

For Windows XP

Click Start > All Programs > Accessories > System Tools > System Restore.

system-restore (1)

In the window that appears, tick Restore my computer to an earlier time option, then click the Next button.

system-restore (2)

A new window will pop up, and you should select a restore point that possibly hasn’t been infected and then click Next button.

system-restore (3)

At this point, you will be prompted with a confirmation as to whether or not you want to restore the system to the designated restore point. Click the Next button to confirm.
system-restore (4)

The computer will shut down and reboot, after doing some thinking and making some changes. When all is done, the computer will be restored to the state it was in at the designated restore point and all should be well.

For Windows 7

Click the Start button, and enter system restore into the search box. In the list of results, find and click on the program named System Restore.

system-restore_win7 (1)

The System Restore window will appear. Tick Choose a different restore point option and click Next button to select the desired restore point.

system-restore_win7 (2)

Tick the checkbox labelling Show more restore points and select a restore point you wish to restore and then click Next button.

system-restore_win7 (3)

Then, confirm your restore point by clicking the Finish button and click Yes button to continue.

system-restore_win7 (4)

Wait for some time until the system restore is completed.

For Windows 8

Right click the bottom left corner of the computer screen, and click Control Panel from the popup menu.

system-restore_win8(1)

In the open window, select Category from view by, and then click System and Security > System. A new window will open and you need to find and click on Advanced system settings.
system-restore_win8(2)

A small window will appear. Under System Protection tab, click on System Restore.
system-restore_win8(3)

A window named System Restore will pop up. Then, click Choose a different restore point and click the Next button.
system-restore_win8(4)

Now choose a desirable restore point and click Next.
system-restore_win8(5)

After confirming your restore point, click Finish.
system-restore_win8(6)

When a small dialog box appears, click Yes button. Then the System Restore will begin.
system-restore_win8(7)

Wait until the System Restore is done. Your computer will be restarted itself.

Most users fail to get rid of JS/Nemucod.L due to the fact that the Trojan has infected all their restore points. Are you one among of them? If it is the case, you need to select another solution, namely running a malware removal tool to help you easily and effectively remove this threat out of your machine.

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Method 2: Remove the Trojan automatically by using a malware removal tool.

If system restore doesn’t work, it is suggested that you get rid of the malicious Trojan by using an advanced malware removal tool which can automatically scan for the threats on your PC and delete them all permanently. Here are two tools recommended: SpyHunter and Plumbytes Anti-Malware. Both tools have been proved to be able to detect and delete JS/Nemucod.L effectively. Now you can follow the instruction below to automatically remove the harmful Trojan using one of the tools recommended.

Option 1: Use SpyHunter

SpyHunter is a powerful anti-malware program available in both the free version and registered version. The free version provides the free scan feature that can effectively detect various threats like Trojans, adware, PUPs, browser hijackers, worms, and viruses; while the registered version provides not only the scan feature but also many other advanced features like malware removal, daily malware definition update, free tech support, etc. It is a really powerful tool that can help fix your malware issues.

 

Key features:

√ Easily block, detect and remove the latest malware threats.
√ Malware definitions are updated daily.
√ Free technical support and custom fixes for hard-to-kill malware.

Now you can download and install SpyHunter to run a free malware scanning first. If JS/Nemucod.L and any other threats are found in your system, you can remove them by registering in SpyHunter.

Download SpyHunter setup file on your computer desktop.

Once the downloading is done, locate and double-click the setup file to run on your PC.

SpyHUnter installer

When a window appears as below, click the Run button.

click-Run

Select your preferred language.

select-language

Click CONTINUE button.

continue

Check I accept the EULA and Privacy Policy option and click INSTALL button.

SpyHunter-installation-step-3

Now you can see the installation process.

installtion process

When you are prompted that the setup is successful, click the EXIT button.

exit

SpyHunter will be launched automaically. You can see its main screen as below. Now run a free malware scan by clicking on the Scan Computer Now button.

spyhunter-scan-computer-now

SpyHunter now will start scanning your Windows registry, files, and memory for any threats. This scanning process may take 30 minutes or more. Please wait until the scanning to be completed.

scan process

Once the scanning is over, you can check all detected threats. SpyHunter will show their detailed information in the result list. To remove all threats, just click the Fix Threats button.

fix threat

Option 2: Use Plumbytes Anti-Malware

Plumbytes Anti-Malware is a powerful anti-malware program that provides well protection against various kinds of malware threats. This program can effectively detect, block and remove Trojans, viruses, spyware, adware, and browser hijackers that many other antivirus programs will miss. Besides, the anti-malware tool can monitor your computer to stop any malicious attacks and also help remove unwanted browser toolbars, add-ons and extensions from your web browsers.

 

Key features:

√ Detect, block and remove many types of newly-created malware threats
√ Provide free 24/7 technical support to help fix issues cannot be solved by the tool.
√ Regularly update database to fight against latest threats.

Now you can download Plumbytes Anti-Malware on your computer.

Once the downloading finishes, locate the setup file and run it. Then, a dialog box as below will pop up. Acept the License Agreement and Privacy Policy, and click INSTALL button to start installing Plumbytes Anti-Malware on your PC.

INSTALL

Now you will see Plumbytes Anti-Malware is being downloaded and installed.

Downloading Plumbytes

Installing Plumbytes

Once the installation is done, Plumbytes Anti-Malware will automatically run and start scanning your PC for existing threats. Wait until the scanning is completed.

scanning

Then, you will be shown all threats found in your computer system. To remove them all, please click REMOVE SELECTED button.

REMOVE SELECTED

Warm tips: [1] If you cannot download SpyHunter or Plumbytes Anti-Malware using your own computer (a Trojan may block you from accessing some security related websites and downloading security tools), you can use another clean computer to download them first and copy them to your PC. [2] To remove the Trojan more effectively, you can try running the above programs in the safe mode. See how to get into Windows safe mode.

Why we don’t suggest manual removal?

Manual removal of JS/Nemucod.L is not suggested because that it is time-consuming, low-effective and high risky. To manually remove a Trojan, users need to find out and delete all its related components, including files, codes, entries, startup items, etc. This is a rather complicated task and need users to have certain level of computer expertise. Or else, users won’t be able to successfully get rid of the Trojan, and even worse, they may make some mistakes which could result in serious system damage. Therefore, we don’t give the manual removal guide here, in case that some users would mistakenly operate during the manual removal process and unforunately cause unwanted problems to their computers. If you find any manual removal guide somewhere, don’t try it, even though it seems to be easy to follow. You may make your system mess if any mistake occurs. To safely and effectively remove JS/Nemucod.L, you can consider using a professional malware removal tool. SpyHUnter or Plumbytes Anti-Malware would be a good option. Click the button below to download an automatic malware removal tool to fix your malware problems now!

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