Do you know what is ZeroAccess-FAT? This is a hazardous Trojan virus. If your anti-virus has no idea how to remove it from your computer, then you are in the right place. This post will help you learn this Trojan and offers a guide to remove it effectively.

ZeroAccess-FAT Description

ZeroAccess-FAT is a dangerous Trojan horse virus that belongs to the ZeroAccess family. ZeroAccess.TH, ZeroAccess.UG and ZeroAccess.i.a are several members of this big family. It comes to the compromised computer with free programs downloaded by users because it can bundle with programs from the Internet. Once installed, it drops malicious files and registry entries to the infected system. Those files change their names and locations to avoid being detected by anti-virus. That is why users notice that new files come and go again and again. In fact, it will not only change the files names of its own, but also changes the files names of system and programs in the computer, which results the system and programs running weirdly. Yes, the computer runs funny since ZeroAccess-FAT come. It shuts down and restarts randomly which may cause hardware problems. It alerts the startup items so that it can be activated whenever users boot their computers.

Another problem caused by Trojan ZeroAccess-FAT is the browser hijacker virus. Users’ homepages and searching results can be redirected to unsafe web sites. Their default search engine and DNS settings could be changed to. Users cannot use their browsers to surf the Internet as usual.

Users tried to remove ZeroAccess-FAT Trojan but in vain. In fact, ZeroAccess-FAT Trojan aims to mess up the system running of infected computer and steals users’ information saved in the target computer. ZeroAccess-FAT opens backdoors on the infected computer so that other infections and threats can enter the infected computer easily. It is proved that if a computer was infected with Trojan horse for a period of time, it will be infected with other viruses together. Besides, this Trojan virus connects the infected computer to a remote server. In this way, hackers and cyber criminals can take control of the infected computer to review and steal users’ private information saved in the computer such as bank account, credit card numbers and email passwords. So users have to remove ZeroAccess-FAT Trojan virus as soon as possible if infected.

How Dangerous ZeroAccess-FAT Could Be?

  1. ZeroAccess-FAT penetrates into  your computer without any of your notice;
  2. ZeroAccess-FAT installs toolbar to the browser and alerts the default browser settings;
  3. ZeroAccess-FAT degrades computer performance;
  4. ZeroAccess-FAT drops its malicious files and registry entries to the system;
  5. ZeroAccess-FAT connects the infected computer to a distant server;
  6. ZeroAccess-FAT helps other infections to attack the compromised computer and gives the cyber criminal a hand to take control of the target computer and to steal users’ personal information.

Solutions to remove ZeroAccess-FAT efficiently :

Solution One: ZeroAccess-FAT manual removal instruction

Solution Two: Automatically remove ZeroAccess-FAT from PC by using SpyHunter

Step by step guide: (please perform all the steps in correct order)

Solution One: ZeroAccess-FAT manual removal instruction

Step 1: stop all the processes about ZeroAccess-FAT
Guide: Open task manager by pressing Alt+Ctrl+Del keys at the same time. Another way is to click on the Start button and choose Run option, then type taskmgr into and press OK.

Terminate all the processes of ZeroAccess-FAT

Step2: uninstall PUP program added by ZeroAccess-FAT from your computer.
Click the Start button, then select Control Panel, and click on Add or Remove programs.

Step 3: show hidden files and folders and delete all the following files.
Guide: click the Start button and choose Control Panel, clicking Appearance and Personalization, to find Folder Options then double-click on it. In the pop-up dialog box, click the View tab and uncheck Hide protected operating system files (Recommended).

Delete all the following files belong to ZeroAccess-FAT

%AllUsersProfile%\{random.exe\
%AllUsersProfile%\Application Data\
%AllUsersProfile%\random.exe
%AppData%\Roaming\Microsoft\Windows\Templates\random.exe
%Temp%\random.exe
%AllUsersProfile%\Application Data\random

Step 4: open Registry Editor to delete all the registries as below
Guide: open Registry Editor by pressing Window+R keys together.(another way is clicking on the Start button and choosing Run option, then typing into Regedit and pressing Enter. )

Delete all the vicious registries as below:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\ BrowserSafeguard \ShortcutPath “%AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe” -u
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe”
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\random
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0

Step 5: disable any suspicious startup items that are made by ZeroAccess-FAT.

Click Start menu ; click Run; type: msconfig in the Run box; click Ok to open the System Configuration Utility; Disable all possible startup items generated.

Solution Two: Automatically remove ZeroAccess-FAT from PC by using SpyHunter

SpyHunter is designed as a simple way for the average computer user to protect their PC from online threats. It is automatically configured to give you the best protection. It provides reliable protection against all kinds of malicious threats including spyware, adware, hijackers, rootkits, and more. You can follow the instructions provided below to download and install SpyHunter successfully, and enjoy the immediate and ongoing protection.

1. Download SpyHunter by clicking the following download link:

2. Double-click on the downloaded file. If asked to allow program to make changes to this computer, click “Yes” button.


3. In this step, please accept the Licence Agreement and click “Next >” button.


4. After the definition database is downloaded, system scan will automatically start.

5.Tick “Select all” and press “Remove” button to get rid of all the detected threats on your computer.

Useful video guide on how to clean up ZeroAccess-FAT:

Note: the longer ZeroAccess-FAT stays in your PC, the more damages it will make, speedy removal is needed to regain a fast, clean and safe PC. If you have spend too much time in manual removing ZeroAccess-FAT and still not make any progress, you can download and install Spyhunter antivirus software to remove ZeroAccess-FAT automatically for you.


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