Mac Virus

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Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading ComboCleaner to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

Download ComboCleaner Anti-Malware

More information about ComboCleaner and steps to uninstall. Please review ComboCleaner's EULA and Privacy Policy. Keep in mind, only ComboCleaner’s scanner is free. If it detects a malware, you'll need to purchase its full version to remove it. is a type of software that integrates with the default browser on your computer. Specifically, targets Windows-compatible browsers such as Firefox, Chrome and Edge, but can infiltrate most browsing programs out there.

The Virus will redirect your browser.

After it has been incorporated in the browser in question, this program will begin to modify its settings in a specific way. It is therefore known as a browser hijacker, which is a fairly widespread type of advertising software. The changes that it makes typically pertain to the browser homepage and its search engine. Furthermore, you may notice new additions to the browser in the form of, for example, a new toolbar or an unfamiliar new add-on.

In addition, programs like install ad-generating components in the browser in question, which is perhaps the most frustrating and obvious part of their activity. Therefore, after its installation, it won’t be long before the victim user begins to suffer from an increase in popups, banners and other online ads that start appearing on the screen of their computer. And joining the ranks of other advertising means are of course the obligatory page redirects to various sponsored locations that your browser appears to trigger at the most inconvenient moments.

All of these changes are no doubt very irritating and decrease one’s browsing experience significantly. Hence, it should hardly come as a surprise that most users prefer to do away with them all, and as soon as possible at that. In order to remove, though, you will need to take some extra steps as opposed to if you were removing some regular type of program. Below is a detailed removal guide that contains instructions regarding these steps, so feel free to make use of it once you’re done reading this post.

Srvtrck on Mac

Safety concerns are an obvious consequence of an infection with something like Srvtrck. And although browser hijackers are not considered to be malicious and they’re not comparable to computer viruses, many experts categorize them as potentially unwanted.

This means that although they do not have the capacity to harm your computer on their own, they may still expose it to various external threats. For instance, as a result of the many page redirects and constant generation of online ads, you could potentially end up on a page that’s been compromised by hackers or is otherwise unsafe. This increases the risk of encountering a Trojan horse virus, ransomware or some other malicious program.

For this reason we generally don’t recommend interacting with any of the ads that you happen to come across online. There’s no way to determine which of them are actually safe and which of them may cause trouble.

Instead, it’s easier to just remove their source and minimize your chances of compromising your system in any way. In addition, this will also decrease the probability of getting infected with other browser hijackers or similar software products, which is a common consequence of already having one browser hijacker in the system.


Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Usually changes made to the browser settings, especially pertaining to the homepage and search engine, as well as a substantial increase in the ads visible during browsing sessions.
Distribution Method Mainly in the setup of other programs such as free system optimization tools, file converters and other such software. 
Detection Tool Mac Removal

For a quick way to remove 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
  5. Remove 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!


We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading ComboCleaner to see if it can detect parasite files for you.

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.



To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading ComboCleaner
a professional malware removal tool.

More information on ComboCleaner, steps to uninstallEULA, and Privacy Policy.

Start Activity Monitor by opening up Finder, then proceed to activity-monitor

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:


Now click on Sample at the bottom:


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:

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:

Scan Results

Virus Scanner Result


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.


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,

Preferences in Safari

and then again on the Extensions tab,

extensions in safari

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.

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,
Privacy in Safari

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

General Tab in Safari

Check if your Homepage is the one you have selected, if not change it to whatever you prefer.
Default Home Page

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

firefox-512 How to Remove From Firefox in OSX:

Open Firefoxclick on mozilla menu (top right) ——-> Add-onsHit Extensions next.

pic 6

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

chrome-logo-transparent-backgroundHow to Remove From Chrome in OSX:

 Start Chrome, click chrome menu icon —–>More Tools —–> Extensions. There,  find the malware and  select  chrome-trash-icon.

pic 8

 Click chrome menu icon 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!

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