What is Njw0rm? How to remove Njw0rm Trojan from your PC or Mac?
The Njw0rm Trojan is a dangerous malware threat which is designed mainly for Microsoft Windows computers. It can be acquired from various sources, every attack campaign can focus on one specific tactic. Usually virus infections like this one are made by interacting with an infected file — this can be either a macro-infected document or a hacker-made software installer. They are often made by taking the legitimate files from their official sources and modifying them with the necessary virus code. Other data can also be affected. All kinds of other data may be used as well — this includes malicious plugins for web browsers and etc. In other cases the hackers can use a direct attacks that will look for system vulnerabilities and weaknesses. If any are found then the Njw0rm Trojan will be installed.
This particular threat is known for being spread using a multitude of weaknesses. It is set against both end users and servers. After the infection has been made the Njw0rm Trojan can download other threats, launch multiple dangerous modules and install a cryptocurrency miner which will run a sequence of performance-demanding tasks.
Threat Summary
| Name | Njw0rm Trojan |
| Type | Malware, Trojan, Miner |
| Short Description | A dangerous malware which can launch a miner and start a Trojan module. |
| Symptoms | The victims may notice performance issues and can get infected with other malware. |
| Distribution Method | Common distribution tactics and direct web attacks. |
| Detection Tool |
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Njw0rm Trojan — How Did I Get It
The Njw0rm Trojan is a well-known malware which has been spotted in several attack campaign over the years. It can be seen used by different hacking groups, both experienced and beginners due to the fact that at a time it was being offered on the dark underground marketplaces for a fee. Developers of malware threat have been offering “builder” options of the Trojan which allows prospective buyers to choose what options and capabilities to include in their own custom variant. Over the years as the development of the main code base expands a lot of version and derivatives have come up.
Depending on the exact capabilities which are requested by the prospective buyers the chosen distribution techniques can vary. One of the most widely used mechanisms is the vulnerability exploit — the criminals will search for weaknesses in the computer networks and if such are found the virus will be installed.
The hackers may use various phishing strategies which are focused on manipulating the recipients into thinking that they have received a legitimate notification from a well-known company or service. There are two forms under which these tactics are commonly organized:
- Phishing Email Messages — They use stolen or faked content and layout in order to appear as legitimate notifications. If the users interact with the shown contents they will either download a virus payload or get infected via a script.
- Application Installers — The hackers can construct malicious installers of popular software that is often deployed by the end users. This is done by modifying the legitimate setup files from their official sources and integrating the necessary code into them. In the end they will be spread to the intended victims via various techniques.
These files can then be spread over file-sharing networks like BitTorrent where both legitimate and pirate data can be spread. An alternative is to upload hacker-made browser plugins to their relevant repositories. They will create descriptions that promise new functionality or performance enhancement. As soon as they are installed the virus will be deployed to the victims.
Njw0rm Trojan — Capabilities
As soon as the Njw0rm Trojan is deployed on a given computer the local client will establish a persistent connection to a hacker-controlled server. As soon as this is done the hackers will be able to carry out all of the possible malware tactics. This will depend on the actual version of the threat which is acquired. Some of the versions can have missing features or extra ones added in.
One of the common mechanisms which is done by almost all strains of the Njw0rm Trojan is to enable a security bypass module — a small-sized script instance will be used to install the Trojan in a way which will bypass or completely remove security software and services installed on the host computer. This includes the likes of anti-virus programs, firewalls, virtual machine hosts, sandbox environments and etc.
Besides the usual Trojan functionality other common modules will be run by the main engine. This includes the usual persistent installation — a way for the malware to be run every time the computer is powered on. In some cases advanced versions of it can be configured to block access to the recovery boot options as well.
The full list of the Trojan commands is the following:
- Run File — Executes a target file on the local machine
- Autoit Script — Copies and pastes a script that is to be executed
- CMD.EXE — Runs a given command on the command line interface
- Update — This will update the local version with the one specified with an URL argument
- Uninstall — This will remove the malware from the infected host
- Builder — This will launch the Trojan’s builder
- About — This command will provide information about the malware’s version.
- Get Passwords — This will list all hijacked passwords and scraped information from the victim machines.
How to Remove Njw0rm Trojan
In order to fully remove Njw0rm from your computer system, we recommend that you follow the removal instructions underneath this article. If the first two manual removal steps do not seem to work and you still see Njw0rm or programs, related to it, we suggest what most security experts advise – to download and run a scan of your computer with a reputable anti-malware program. Downloading this software will not only save you some time, but will remove all of Njw0rm files and programs related to it and will protect your computer against such intrusive apps and malware in the future.
Martin Beltov
Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.
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Preparation before removing Njw0rm Trojan.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
- Scan for Malware
- Fix Registries
- Remove Virus Files
Step 1: Scan for Njw0rm Trojan with SpyHunter Anti-Malware Tool
Step 2: Clean any registries, created by Njw0rm Trojan on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Njw0rm Trojan there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.Step 3: Find virus files created by Njw0rm Trojan on your PC.
1.For Windows 8, 8.1 and 10.
For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.
2.For Windows XP, Vista, and 7.
For Older Windows Operating Systems
In older Windows OS's the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
Njw0rm Trojan FAQ
What Does Njw0rm Trojan Trojan Do?
The Njw0rm Trojan Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system.
It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.
Can Trojans Steal Passwords?
Yes, Trojans, like Njw0rm Trojan, can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.
Can Njw0rm Trojan Trojan Hide Itself?
Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.
Can a Trojan be Removed by Factory Reset?
Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind, that there are more sophisticated Trojans, that leave backdoors and reinfect even after factory reset.
Can Njw0rm Trojan Trojan Infect WiFi?
Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.
Can Trojans Be Deleted?
Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.
Can Trojans Steal Files?
Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.
Which Anti-Malware Can Remove Trojans?
Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.
Can Trojans Infect USB?
Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.
About the Njw0rm Trojan Research
The content we publish on SensorsTechForum.com, this Njw0rm Trojan how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.
How did we conduct the research on Njw0rm Trojan?
Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)
Furthermore, the research behind the Njw0rm Trojan threat is backed with VirusTotal.
To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.