Remove Nymeria Trojan Horse

Remove Nymeria Trojan Horse

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This article will help you to remove Nymeria Trojan horse effectively. Follow the removal instructions for the Trojan horse provided at the end of the article.

Nymeria is the name of a Trojan horse. An executable process related to the Nymeria Trojan horse is involved in spreading it. That process is usually hidden as a legitimate service of your operating system. If the process is found in a temporary folder or the “Windows” folder, then it is malware that got there without your permission and could try to steal credential data and personal information from anybody who has fallen victim to the threat. Nymeria Trojan may also use exhaustive power consumption, so it is in your best interest to remove it as fast as you can.

Threat Summary

NameNymeria Trojan (Loda)
TypeTrojan Horse, Miner Malware
Short DescriptionNymeria is a Trojan horse that is probably put in your computer system via a similar malware on your computer system.
SymptomsYou may see a rise in the usage of your computer’s resources like CPU, RAM or GPU, while your computer will accordingly consume more electric power and may even overheat if a cryptocurrency miner is involved. Otherwise, there are barely any symptoms most of the time, other than a significant system slowdown or frequent system crashes.
Distribution MethodFreeware Installations, Bundled Packages, JavaScript
Detection Tool See If Your System Has Been Affected by Nymeria Trojan (Loda)


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Nymeria Trojan (Loda).

Nymeria Trojan – Distribution Methods

The Nymeria Trojan malware can spread in a few ways. Third-party installer setups could have put a Trojan horse on your computer system via bundling. These installations typically arrive with freeware and application packages. Without you knowing, additive content could be installed to your computer, which could even be a JavaScript file that downloads the actual malware. Avoiding such installations is possible if you find Custom or Advanced settings in the install setup.

The Nymeria Trojan has been seen to be delivered

Computer hackers are now attempting to infect computers worldwide using a new method that employs the CVE-2017-0199 exploit.
via CVE-2017-0199 Exploit which uses Microsoft Office for infecting the computers of unsuspecting users. In the screenshot below you can see a MS Office document that tries to trick users to click on it and activate the Macro:

Nymeria Trojan can also spread if you come across unknown websites through redirects and advertisements which have some sort of scripts in themselves and load them when you visit a site or click on an advert. Pop-ups, pop-unders, as well as banners could have links inside of them that can redirect you. When visiting such websites, especially with an unknown origin, they could inject the malware inside your computer device. That can happen via any browser.

Nymeria Trojan has also been found to be delivered via exploit kits, or in files (typically using filenames related to popular keyword searches) which are downloaded from different malicious websites.

Nymeria Trojan – Technical Information

Nymeria Trojan is the name of a Trojan horse. This Trojan is a few months old, but is still active in the wild, infecting computer machines. An executable process related to the Trojan horse is involved in spreading it. That process is usually hidden as a legitimate service of your operating system. Nymeria.C, seems to be a new variant, still attacking users’ machines worldwide. This type of Trojan horses is known to take up a really small portion of your computer’s resources at first, to infiltrate your computer’s defenses, embed itself into system processes and remain undetected until it does what it is designed to do – spying on victims and stealing information from them.

The Nymeria Trojan is not a system file and not related to Windows, but could tamper with Windows processes.

Nymeria Trojan malware is highly likely to make some additional components that will aid it to achieve its purpose to full effect. Thus, after it being executed on the system, it may establish a remote connection to a command and control server where all other malicious files are available. There are some essential Windows folders in which the malicious files can be dropped:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

Besides everything said above, the Nymeria Trojan also has spying capability and has the ability to monitor certain gaming applications. It also sends the following information to a remote C&C server:

  • A hard coded string (seen ‘victim’, ‘Clientv4’)
  • Hard coded string (seen ‘ddd’)
  • Installed AV Vendor (enumerated via running process names)
  • Malware version, i.e. 1.0.1
  • Monitor resolution in a special format (“Pr[Height]X2[Width]X3”)
  • OS type (can be “laptop”, “Desktop”, or “x”, enumerated using the WMI query “Select * from Win32_SystemEnclosure”)
  • User account name
  • Version (beta)
  • Victim’s Country
  • Victim’s IP address
  • Webcam installed (Yes or No, enumerated using capGetDriverDescription from Avicap32.dll)
  • Windows architecture (X64 or X86)
  • Windows version

The Nymeria Trojan horse has the following aliases:

  • Trojan:Win32/Nymeria
  • Loda
  • Trojan.Win32.NYMERIA.C
  • Trojan:Win32/Occamy.C

So, stopping your Internet connection is probably a good idea if you are suspecting that something fishy is going on with your computer device.

Below you can see some useful tips that can help you to prevent similar Trojan malware from installing onto your PC, in the future:

  • Run programs inside a sandbox environment
  • Install an advanced anti-malware protection
  • Update your mostly-used programs and software in general
  • Update your OS with security updates
  • Install an ad-blocker application
  • Be wary around your e-mails and don’t open them unless you know the source
  • Disable macros in Microsoft Office Applications
  • Disable JavaScript
  • Keep your firewall ON

Nymeria Trojan will probably try to extract as much information as possible based on its capabilities and try to propagate further on a network to access other devices. It is highly recommend that you remove the malware threat, because the Nymeria Trojan might also degrade your system’s lifespan if it downloads other malware to your PC making it inaccessible.

Remove Nymeria Trojan Completely

To remove Nymeria Trojan manually from your computer, follow the step-by-step removal tutorial written down below. In case this manual removal does not get rid of the miner malware completely, you should search for and remove any leftover items with an advanced anti-malware tool. Such software can keep your computer secure in the future.

Tsetso Mihailov

Tsetso Mihailov

Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.

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