We Have Detected A Trojan Virus


We Have Detected A Trojan Virus on Mac

We Have Detected A Trojan Virus is a Pop up window which is created to trick the user into thinking his system is infected with a virus. The purpose of scams such as the We Have Detected A Trojan Virus Pop up usually is to promote malicious software by claiming it will clean the “threat” your computer is facing.

We Have Detected A Trojan Virus

The We Have Detected a Trojan Virus Pop up is designed to scare you into thinking you computer is infected.

If you have discovered We Have Detected A Trojan Virus on your machine, there is no need to panic. This program is not a virus or malicious software that seeks to harm you or your computer. But in case you can’t find an explanation for the constant stream of ads, banners, pop-ups, and page-redirects this program has started to display on your screen or you cannot remove the new search engine or the strange homepage that We Have Detected A Trojan Virus has imposed on your Chrome, Firefox, or Safari browser, on this site, we’ll tell you all that you need to know and we will help you take care of this situation. We will provide a thorough removal guide to help you uninstall the irritating software and remove all the obtrusive ads and unwanted browser settings. Just make sure you read the article before heading down to the guide as you will find a good explanation of what a browser hijacker really is and how to deal with it. 

Judging by the constant stream of pop-ups, box notifications, banners, and unwanted browser changes a program like We Have Detected A Trojan Virus might spam you with, you may easily mistake such software for a virus that needs to be removed. But let’s first explain what the browser hijackers really are so you can better understand what they are doing on your computer and why they are doing it. Basically, these are online advertising programs and they act as software tools that directly display advertisements on the screens of the web users, seeking to gain revenue for their developers every time you click on any of the displayed adverts. This is possible thanks to a remuneration system known as Pay-Per-Click, which is fully legal.

So far, there is nothing disturbing about applications such as We Have Detected A Trojan Virus, except for the fact that they can be extremely annoying and that their ads may sometimes be misleading. For some web users, however, this alone is enough to make them decide to remove such software from their system. Another reason why anyone may want to uninstall a browser hijacker is that this type of software usually takes its toll on the performance of the computer. For instance, if We Have Detected A Trojan Virus stays long enough on your system, you may start to experience browser crashes, unresponsiveness, and general sluggishness of the system, which may be caused by the fact that the browser hijacker consumes quite a lot of system resources for its ad-generating and page-redirecting activity. And while this is not a major system risk, it can surely be an inconvenience in the long run.

Besides, being exposed to random pop-up messages and redirect links may hide some risks as well. What we are referring to here is the possibility of bumping into ads that have been infected with malicious virus code and that are used to spread Trojans and Ransomware. If you accidentally click on a compromised ad of this kind, you might land some highly damaging malware. And the worst part is that there will probably be no indication of it. This malware-distribution method is known as malvertising and is commonly used for spreading various online threats. Now, this is not to say that We Have Detected A Trojan Virus will deliberately generate malvertisements on your screen, but there is always a risk of landing on a fake ad hidden within the huge number of regular advertisement that you see on your screen. For this reason, we advise you to avoid engaging with any online ads and to get rid of the browser hijacker that generates them for the sake of your safety.


Name We Have Detected A Trojan Virus
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Ads all over your screen, a new search engine, a change in the homepage URL.
Distribution Method Spam messages, torrents, free downloads from the web, free software bundles, shareware sites.
Detection Tool

We Have Detected A Trojan Virus Pop up Removal

We Have Detected A Trojan Virus

The first thing you need to do is to Quit Safari (if it is opened). If you have trouble closing it normally, you may need to Force Quit Safari:

You can choose the Apple menu and click on Force Quit.

Alternatively you can simultaneously press (the Command key situated next to the space bar), Option (the key right next to it) and Escape (the key located at the upper left corner of your keyboard).

If you have done it right a dialog box titled Force Quit Applications will open up.

In this new dialog window select Safari, then press the Force Quit button, then confirm with Force Quit again.

Close the dialog box/window.

We Have Detected A Trojan Virus


Start Activity Monitor by opening up Finder, then proceed to We Have Detected A Trojan Virus

Once there, look at all the processes: if you believe any of them are hijacking your results, or are part of the problem, highlight the process with your mouse, then click the “i” button at the top. This will open up the following box:

We Have Detected A Trojan Virus

Now click on Sample at the bottom:

We Have Detected A Trojan Virus

Do this for all processes you believe are part of the threat, and run any suspicious files in our online virus scanner, then delete the malicious files:

We Have Detected A Trojan Virus
Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at: https://howtoremove.guide/online-virus-scanner/

Scan Results

Virus Scanner Result
We Have Detected A Trojan VirusClamAV
We Have Detected A Trojan VirusAVG AV
We Have Detected A Trojan VirusMaldet

We Have Detected A Trojan Virus

The next step is to safely launch Safari again. Press and hold the Shift key while relaunching Safari. This will prevent Safari’s previously opened pages from loading again. Once Safari is opened up, you can release the Shift key.

On the off chance that you are still having trouble with scripts interrupting the closing of unwanted pages in Safari, you may need to take some additional measures.

First, Force Quit Safari again.

Now if you are using a Wi-Fi connection turn it off by selecting Wi-Fi off in you Mac’s Menu. If you are using a cable internet (Ethernet connection), disconnect the Ethernet cable.

We Have Detected A Trojan Virus

Re-Launch Safari but don’t forget to press and hold the Shift button while doing it, so no previous pages can be opened up. Now, Click on Preferences in the Safari menu,

We Have Detected A Trojan Virus

and then again on the Extensions tab,

We Have Detected A Trojan Virus

Select and Uninstall any extensions that you don’t recognize by clicking on the Uninstall button. If you are not sure and don’t want to take any risks you can safely uninstall all extensions, none are required for normal system operation.
We Have Detected A Trojan Virus

The threat has likely infected all of your browsers. The instructions below need to be applied for all browsers you are using.

Again select Preferences in the Safari Menu, but this time click on the Privacy tab,
We Have Detected A Trojan Virus

Now click on Remove All Website Data, confirm with Remove Now. Keep in mind that after you do this all stored website data will be deleted. You will need to sign-in again for all websites that require any form of authentication.

Still in the Preferences menu, hit the General tab

We Have Detected A Trojan Virus

Check if your Homepage is the one you have selected, if not change it to whatever you prefer.
We Have Detected A Trojan Virus

Select the History menu this time, and click on Clear History. This way you will prevent accidentally opening a problematic web page again.

We Have Detected A Trojan Virus How to Remove We Have Detected A Trojan Virus From Firefox in OSX:

Open Firefoxclick on We Have Detected A Trojan Virus (top right) ——-> Add-onsHit Extensions next.

We Have Detected A Trojan Virus

The problem should be lurking somewhere around here –  Remove it. Then Refresh Your Firefox Settings.

We Have Detected A Trojan VirusHow to Remove We Have Detected A Trojan Virus From Chrome in OSX:

 Start Chrome, click We Have Detected A Trojan Virus —–>More Tools —–> Extensions. There,  find the malware and  select  We Have Detected A Trojan Virus.

We Have Detected A Trojan Virus

 Click We Have Detected A Trojan Virus again, and proceed to Settings —> Search, the fourth tab, select Manage Search Engines.  Delete everything but the search engines you normally use. After that Reset Your Chrome Settings.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


About the author


Lidia Howler

Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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