ZAccess Trojan


The Trojan Horses are malware tools used to complete many kinds of criminal deeds, and their feared reputation has made them a major online threat. An infection such as ZAccess, for instance, has literally no limits to its destructive abilities. The criminal hackers who create ZAccess Trojan use it for various illegal activities. In order to ensure that the malware doesn’t get detected, the criminals behind threats of this type use some seemingly harmless types of web content to conceal the malicious code of the Trojan.


Multiple anti virus programs detect the ZAccess Trojan

The most popular ones are:

  • Spam messages with infected attachments
  • Fake notifications and updates
  • Fake on-screen pop-ups and ads
  • Pirated content, torrents, shady download platforms, and infected websites.

Unfortunately, it’s really hard to identify when and how you’ve been infected, as there are hardly any symptoms that can indicate the Trojan contamination. Such malware can quietly hide deep in your computer, and execute its malicious activities without showing visible symptoms. In rare cases, however, when the malware gets active, the victims may notice some weird activity occurring on their screen, as well as sudden crashes, slow system performance, or unusually high CPU or RAM use. All these may be possible indications that a Trojan like ZAccess is running in your PC.

If this is your case, a good and updated antivirus program may help you identify, and remove the threat. A guide like the one below may also help you remove the malware entirely from your system, especially if your current security software is having difficulties with the elimination of all the related malicious files.

What potential problems can ZAccess cause to a computer that is infected?

The hackers can exploit a threat like ZAccess, Great Discover in many different ways. It all depends on their specific goals, and, unfortunately, you can never know what they might be up to. One thing is certain, though – if you have such malware on your system, nothing good expects your computer. Here are just a few of the possible problems that a Trojan like ZAccess can cause to your PC:

  • Infect your system with Ransomware – A system compromised by a Trojan Horse is an open door for cryptoviruses, such as the infamous Ransomware infections. Those threats can use system vulnerabilities the Trojan may create to secretly sneak in the computer, and lock up your data in order to blackmail you. Other viruses, and malware may also exploit the weak points an infection like ZAccess may create, and attack you all of a sudden.
  • Corrupt your files and destroy your system – The hackers can use a piece of malware like ZAccess to further damage all the files on your system, or worse, to delete them all. Your system can also be damaged to the point that there can be no retrieval without a full reinstall.
  • Spy on your activity and steal your data – The hackers can gain remote access to your computer with the assistance of the Trojan, and steal sensitive information from you. They can monitor your activity, collect your passwords, and bank account details, and even spy on you through your PC’s camera and mic.

That’s why you should remove ZAccess without losing time, and quickly clean your system from all of its traces. To do this, simply follow the directions below, or use the professional ZAccess removal tool for automatic assistance.


Name ZAccess
Type Trojan
Detection Tool

anti-malware offerOFFER *Read more details in the first ad on this page, EULA, Privacy Policy, and full terms for Free Remover.

Remove ZAccess Trojan

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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    After you open their folder, end the processes that are infected, then delete their folders. 

    Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


    Hold together the Start Key and R. Type appwiz.cpl –> OK.


    You are now in the Control Panel. Look for suspicious entries. Uninstall it/them. If you see a screen like this when you click Uninstall, choose NO:



    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 SpyHunter
    a professional malware removal tool.

    More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

    Type msconfig in the search field and hit enter. A window will pop-up:


    Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.

    • Remember this step – if you have reason to believe a bigger threat (like ransomware) is on your PC, check everything here.

    Hold the Start Key and R –  copy + paste the following and click OK:

    notepad %windir%/system32/Drivers/etc/hosts

    A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

    hosts_opt (1)

    If there are suspicious IPs below “Localhost” – write to us in the comments.


    Type Regedit in the windows search field and press Enter.

    Once inside, press CTRL and F together and type the virus’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

    • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
      HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
      HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

    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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