Trojan.u83 Virus

This page aims to help you remove Trojan.u83 “Virus”. Our removal instructions work for Safari, Chrome, and Firefox, as well as every version of Macintosh.

Trojan.u83 “Virus” is a scare tactic caused by a browser hijacker. This program acts like a browser hijacker and usually integrates with Chrome, Firefox, Internet Explorer, and other popular browsers and applies certain changes to their homepage or search engine. Very often users are misled into installing Trojan.u83 without knowing it and once it becomes part of their system, they are forced to endure its aggressive methods of advertising which include sudden page redirects, generation of ads, banners, dozens of popping messages, links, offers and blinking boxes. When they try to remove it, however, they face serious difficulties because the program is not uninstalled the usual way. In most of the cases, a detailed removal guide or specialized software is needed to completely remove this software and eliminate all of its changes and pop-ups. If you are on this page to learn how to do that, stay with us until the end because here we have prepared detailed instructions and some very useful information related to Trojan.u83 and similar browser hijackers.  

Is Trojan.u83 a virus?

Due to the aggressive activities and frequent browsing disturbance and redirects, internet users, IT webpages and forums have started calling this program malware. Most of them claim that this program is nothing more than a virus, malware or scam. However, in fact, Trojan.u83 is neither a virus nor a malicious program such as a Trojan horse or a Ransomware. It is a browser hijacker.  Browser hijackers are basically harmless components that serve the online advertising industry and tend to redirect and expose users to different sponsored pages. Still, due to their ad generating behavior and browser modifications, security specialists generally classify this software as a potentially unwanted and recommend users to remove it from their computers if they feel the program is not meeting their expectations or is causing them disturbance. More so, the browser hijacker should be removed from your computer if it came without your knowledge or consent.

Trojan.u83 recently began to trigger more discussions and complaints!

People started complaining that this program appears on their computers without downloading it. For this reason, we have to clarify that the program does not infect your system as a virus because it actually needs your permission to get installed. Trojan.u83 can be downloaded from its official website, other freeware or shareware platforms, free download links, spam messages or software bundles and can often get into the computers with other free software.

Different ad campaigns are spreading free software packages, and they often group some attractive or new applications with ad-generating components or similar browser hijacking applications. The users tend to download and install such packs (or bundles) on their computers without carefully customizing them and this is how they end up with some potentially unwanted programs. Therefore, we recommend that you avoid software bundles or shady free installers. In addition, it’s a good idea to start checking free software before downloading it to your computer. To make sure that the “selectable downloadable components” are not added to the program you select, choose either the “Advanced” or “Custom” settings and carefully check each bookmark and uncheck any additional programs.

In case that some irritating pop-up ads, redirects, and annoying new search engines have already started to disturb you, take the necessary steps to uninstall Trojan.u83. At the end of the page, you will find a detailed removal guide on that. If you don’t do that, the browser hijacker will start showing you annoying and intrusive pop-up ads. These ads may tell you about different things, ranging from commercial offers, discounts, and discount codes. Most users claim that after clicking on them they have been redirected to web pages that advertise certain products or contain some sketchy content. No matter what a pop-up ad has reached you, we do not recommend that you open any of them because you may be misled to some insecure web locations or bump into nasty virus infections such as Ransomware, Trojans, and others. To eliminate such risk, we advise you to ignore all the content this program provides and remove it immediately.

Tips for removing Trojan.u83 “Virus”

A virus is definitely not the most appropriate description for Trojan.u83, but its presence in the computer can really be considered parasitic. Complete removal of the browser hijacker is difficult to implement because the program spreads residual files throughout the computer. Although these files may not necessarily be malicious, they take up space and clutter the computer. Cleaning the system from such files is possible but you should be very careful when detecting and deleting them because there is a risk of deleting something vital for the OS. For this reason, it is good to trust professional tools or a detailed removal guide like the one below.


Name Trojan.u83
Type Browser Hijacker
Detection Tool  

Trojan.u83 Virus Removal

You are dealing with a malware infection that can restore itself unless you remove its core files. We are sending you to another page with a removal guide that gets regularly updated. It covers in-depth instructions on how to:
1. Locate and scan malicious processes in your task manager.
2. Identify in your Control panel any programs installed with the malware, and how to remove them. Search Marquis is a high-profile hijacker that gets installed with a lot of malware.
3. How to clean up and reset your browser to its original settings without the malware returning.
You can find the removal guide here.


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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