Ontology.dll Trojan Error – What Is It and Should You Remove It

Ontology.dll Trojan Error – What Is It and Should You Remove It

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This article aims to explain what is the ontology.dll malware error and explain how to check if it’s malicious and how to remove it.

If you are running a computer with an Nvidia GPU, chances are that your antivirus software has detected the process Ontology.dll as a Trojan horse. The Ontology.dll is a file, belonging to the drivers of the Nvidia GPUs, installed on Windows machines and Is generally classified as a false positive detection. However, many users also report that the file may be related to a malicious executable file which may attack the driver of you GPU. This is why, we recommend that you read the following article and secure your computer n case Ontology.dll is a malicious file.

Threat Summary

TypeEither a Trojan or a False Positive detection.
Short DescriptionIf Trojan, attacks the graphics of your video card. If false positive, the .dll process is detected as malicious by some antivirus programs as a Trojan.
SymptomsSuspicious behavior of the .dll process. May display system errors, such as: “The procedure entry point CreateApplicationWrapper could not be located in the dynamic link library Ontology.dll”.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by Ontology.dll


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Ontology.dll.

Ontology.dll Detection – How Did I Get It

In general, the Ontology.dll is a process which is a support file of the drivers of your Nvidia GPU. In most cases, the process is false-positive and it is installed along with the conventional installation of the video card drivers. The file contains instructions which assist the programs within the driver of the GPU to work properly.

If the Ontology.dll is a malicious file, which may be the case, if your computer has been infected with malware, there are several different methods by which this could have happened:

  • If you open a suspicious e-mail attachment, causing the infection.
  • If your computer has already been previously infected with malware.
  • If you install a fake setup, execute a fake license activator, game crack or patch which is actually the payload dropper file of the Trojan, that may be related to Ontology.dll.

Ontology.dll – More Information

Ontology.dll is an important process which may be responsible for specifying the specific video card that you run on your computer. The process may also assist processes of the drivers to be executed by containing functions in it that assist the central executable files of the programs of your driver to operate. In general, if the process is the original one, it may not be malicious at all.

But, since this process is of importance to the functioning of the drivers, it can also be replaced with it’s analogue process, which is configured to serve the interests of malware, which may have infected your computer. Such malware may generally be:

  • Mining Trojans which take system resources from your GPU (Video Card).span>
  • Classic Trojan Horse that may steal information from your computer and make screenshots of your desktop.
  • Botnet-related Trojan, aiming to connect your computer to a zombie network.

Whatever the case of Ontology.dll may be, it is safest to check your computer for malware and if detected to remove it immediately.

Remove Ontology.dll Malware and Secure Your PC

In order to check your computer for malware, you need to first located the Ontology.dll file, which is in the following directory:

→ C:\Users\”UserName”\AppData\Local\NVIDIA\NvBackend\ApplicationOntology

Then, you can use a detection website, like VirusTotal.com or ZipeZip.com to check if the file is malicious or no.

The best method to check if the Ontology.dll file is actually malware is to run a scan with an advanced antimalware program in order to establish if there is other malware, related to this file on your PC and secure it completely.

Automatically remove Ontology.dll by downloading an advanced anti-malware program

1. Remove Ontology.dll with SpyHunter Anti-Malware Tool
2. Back up your data to secure it against infections and file encryption by Ontology.dll in the future

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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