How to remove Ontology.dll

The subject of our today's article is Ontology.dll Trojan that called the huge wave of concern recent days. If Ontology.dll already got into the workstation, then you should know how to uninstall it. Viruses of the Trojan kind are distinguished by their multitasking, and are able to actively resist removal, make their own copies and recover after partial deletion. This problem can be solved easily, and in final part of our article you'll see the decent advices on Ontology.dll uninstalling. Also our way assists to purify the whole hard drive from various malicious programs that could penetrate it. If you know enough about Trojans - just go to the uninstall instructions, but if Trojan viruses are something new for you - read the whole article to understand how to defend your PC against these threats.


What is Ontology.dll trojan

So, Trojans are the biggest group of malware in modern info - space, which is used by hackers for various purposes. The most common examples of such tasks are botnets building , theft of passwords and crucial data , downloading and controlling already installed adware or espionage . The only weakness of Trojans lies in their name - they can't spread without human help. Regular users think that virus is everything that is not good for their computers, but viruses, unlike Trojans, know how to automatically spread and get into the defenseless PC. Trojan viruses efficiently infect devices with help of other tools or with customer's help, but cannot perform it independently. After infesting the device, Trojan virus is extremely hard to detect manually that is highly valuable for all sorts of scammers. We say all this to show one plain statement: user shouldn't let Trojans to enter the machine, because it's much harder to delete them then to neutralize them.

The majority of customers believe that to prevent viral infection they just need to purchase an antivirus, but it's wrong. No antivirus can defend your computer if you download new undesired programs every day. To make sure that the computer is safe, you need to forget about some dangerous habits, and behave prudently in the Web. There are two ways to achieve this effect:

  • The safest option is to fully quit using utilities of suspicious origin. These principles concern all the utilities downloaded not from website of its developer or licensed vendors. Naturally, all pirated replicas of good software also are probably malicious. If you quit using suchlike utilities, the probability of infestation would be reduced to minimal, and AV-tool can easily deal with this minimum.
  • If you're not going to absolutely abandon the use of unlicensed content, you have to thoroughly examine each installed tool. Trojan viruses commonly hide under the guise of useful tools such as system optimizers , driver updaters , browsers , special programs , browser games and search engines . Don't download weird programs from this list, and while installing any unlicensed utility - watchfully follow the installation, declining all proposals for installing more software.

Listen to these rules and you'll immediately feel their result: your PC will become speedy , safe and workable , and will remain so for years.

Ontology.dll removal instruction

If you are MAC user, follow this guide How to remove virus from MAC

Usually we offer two ways to delete perilous software, but unfortunately, dealing with Trojans, there are far fewer methods to locate and remove them by hand. Trojan can be placed in the files of any of the installed tools, so an inexperienced customer can slip up, remove a crucial data and harm the computer. If you don't want this to happen, we've created an instruction that will help you to get rid of Ontology.dll quickly and effectively. Turn #1 will be entering Safe Mode and checking system folders. Step #2 is downloading and installing Spyhunter AV. After that - abide the guide, and in a few moments your PC will be back in service.

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab


Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

Remember that you don't need to buy Spyhunter right now - you can examine its effectiveness by installing a free trial version. If you want to download Spyhunter or want to read more about it - press the link below.


Antivirus scanner

Why we recommend SpyHunter antimalware

Detects viruses fully: all files and even registry keys of malware will be found

Protects your system in the future

24/7 free support team

SpyHunter's scanner is only for malware detection. If program detects virus on the computer, you will need to purchase SpyHunter's malware removal tool to delete viruses. Uninstall steps and additional information EULA , Privacy Policy and Threat Assessment Criteria.

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Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

Video guide

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