XCSSET Malware


XCSSET is a dangerous computer infection from the Trojan horse type that should be removed immediately. If no measures are taken, XCSSET can damage your system in many ways and compromise your online privacy.

XCSSET Malware

Multiple VirusTotal scanners detect XCSSET.

Lowered CPU output, regular boot errors, and sudden OS bugs is the least your computer might suffer through if it is contaminated with XCSSET. Your machine might face many terrible criminal actions with different severity and you surely don’t want to experience their consequences first hand. That is why, in the next lines, we are going to show you how to remove XCSSET from your system quickly, safely and effectively and will explain to you how to protect your computer in the future. You’ll find all the steps that you need in the removal guide below, but before you scroll down to it, let’s first explain the possible sources and criminal tasks that this Trojan infection could be linked to.

The XCSSET Malware

The XCSSET Malware may seem harmless but it can be a transmitter to Trojans. Hackers may be extremely imaginative to place the XCSSET Malware in various adverts, email attachments, web links, or installers of software that look legitimate and trustworthy.

It is, therefore, a good idea to restrict your interaction with any type of sketchy web content for your own security. You can start by being cautious of what apps and attachments you download and where do you get them from, because certain torrents, emails and software installers may contain hidden Trojan viruses, and other malware including ransomware and spyware.

It is very difficult to tell you precisely what sort of crimes a Trojan like XCSSET could perform because such malicious software is basically multifunctional and can be used for a whole range of criminal deeds while on your computer. Destruction and corruption of important information and parts of your system could be one of the possible uses. The hackers may secretly delete certain files or applications from the system through configuring their malicious code. They may also modify any of the key processes or render the whole machine useless by exploiting its system tools and resources.

In many cases, the Trojan can be used as a tool for insertion of  ransomware and spyware or a as a data stealing tool that secretly collects and transmits personal information (passwords, login credentials, payment information, banking details, etc.) to remote servers operated by hackers.


A hazard such as XCSSET can use your Mac to contribute to several illegal activities one after the other. Therefore, as soon as you remove XCSSET from your Mac, you might still avoid having to face some very unpleasant consequences.

Typically, such malware cannot be located manually because it does not show any real signs of its presence. Therefore, the best way to successfully detect and remove a Trojan horse virus before it manages to complete its malicious agenda is to use reliable antivirus software.

The professional XCSSET removal tool on this page may help you manage the infection if you currently don’t have such software at hand. And the removal guide below may also give you some helpful instructions on how to deal with the Trojan. What is really important, however, is to get rid of XCSSET in the quickest possible way if you want to reduce the time it operates on your system.


Type Trojan
Danger Level High (Trojans are often used as a backdoor for Ransomware)
Symptoms In most cases, Trojans cannot be detected without security software since they hardly show any visible symptoms.
Distribution Method Commonly, Trojans get distributed via spam messages, malicious email attachments, malvertisements and infected web links.
Detection Tool

XCSSET Malware Removal from Mac

For a quick way to remove XCSSET try to do this inside your Mac browser:

  1. Open your Mac browser.
  2. Go to Preferences.
  3. Now navigate to the extensions sub-menu.
  4. Look for any unfamiliar entries, including XCSSET.
  5. Remove XCSSET from your Mac as well as any other suspicious-looking items by clicking on the trash bin icon.

If this does not help then continue reading this article for more detailed instructions on how to get rid of XCSSET!

XCSSET Malware

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.

XCSSET Malware


Start Activity Monitor by opening up Finder, then proceed to XCSSET Malware

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:

XCSSET Malware

Now click on Sample at the bottom:

XCSSET Malware

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:

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XCSSET Malware
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    XCSSET Malware

    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.

    XCSSET Malware

    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,

    XCSSET Malware

    and then again on the Extensions tab,

    XCSSET Malware

    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.
    XCSSET Malware

    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,
    XCSSET Malware

    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

    XCSSET Malware

    Check if your Homepage is the one you have selected, if not change it to whatever you prefer.
    XCSSET Malware

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

    XCSSET Malware How to Remove XCSSET From Firefox in OSX:

    Open Firefoxclick on XCSSET Malware (top right) ——-> Add-onsHit Extensions next.

    XCSSET Malware

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

    XCSSET MalwareHow to Remove XCSSET From Chrome in OSX:

     Start Chrome, click XCSSET Malware —–>More Tools —–> Extensions. There,  find the malware and  select  XCSSET Malware.

    XCSSET Malware

     Click XCSSET Malware 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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