How to Remove Prifass.sys Virus? (Simple Solution)

About Prifass.sys

Prifass.sys is a kind of miner trojan which makes use of your CPU to mine bitcoins for its developer. It will cause difficulties to you when you surf the Internet or have other daily operations. Our researchers have found that Prifass.sys has close relation with infections such as spyware, adware, browser hijacker and worm. It hides on freeware installation files, attachments of spam email, and ads links on porn websites, so it have lots of chances to enter your system.

Once Prifass.sys is activated along with system launch, numerous harmful tasks will be run underground without you knowledge. The major problem it causes is the Internet connection, it will make changes on DNS settings, proxy and browser settings to hijack your web browser with unwanted websites, decelerate your Internet speed, and even completely block your access to all kinds of websites. If it successfully makes your Internet unusable, it generate some fake warnings to tell you that your system is infected and you need to call a toll free to get tech support. Author of Prifass.sys then can cheat you buy fake tech service with several hundred bucks and even let them enter your system remotely. Don’t be scammed by such traps. What you need to do immediately is to take action to get rid of Prifass.sys.

Problems Caused by Prifass.sys

  1. It alters your browser settings and avoids you changing them back
  2. It modifies DNS configuration and blocks you accessing most of legitimate websites
  3. It may communicates with remote server to install more malware in your computer silently
  4. It messes up your Registry and degrades your computer performance strikingly
  5. It installs malicious browser extension to generate annoying pop-ups
  6. It redirects you to other phishing sites which may steal your privacy
  7. It facilitates remote hacker to invade your system without permission

Prifass.sys Removal Instructions

(Windows OS) Plan A – Delete Prifass.sys Automatically (Easy and Safe For All PC Users!!)

(Windows OS) Plan B – Get Rid of Prifass.sys with Manually (Only For PC Experts with Top Techniques)

(Apple Mac OS) Plan C – Remove Prifass.sys Automatically from Mac OS Computer (Easy and Safe For All Mac OS Users)


(Windows OS) Plan A – Delete Prifass.sys Automatically from Windows PC

When Prifass.sys infection invades computer, it always brings other threats to the infected machines. To secure entire system, you need to have a complete diagnosis for your computer so that all the potential infections can be found and removed in time. Therefore, here we recommend you to run a full scan on your system with Professional Anti-malware Tool. It is the best, fastest and safest solution for PC users to remove Prifass.sys and other computer virus and malware.

– Now start a scan with SpyHunter to remove Prifass.sys completely.

1. Click download button below to safely Download SpyHunter :

dlsh4

 

2. Run SpyHunter-Installer.exe to install SpyHunter via its installer:

how do i remove Prifass.sys quickly

3. Once the installation finishes, please click Start New Scan to search and remove Prifass.sys and hiding threats.

4. Click Fix Threats to remove Prifass.sys and other viruses completely.


(Windows OS) Plan B – Get Rid of Prifass.sys with Manual Solution

(NOTE – Before you begin, Please Bookmark This Page In Case of System Restart or Web Browser Close)

Attention, Please! For the safety of your computer, before you start the Prifass.sys manual removal, please confirm the following things:

1. You have rich experience for removing virus and malware manually;

2. Your PC techniques reach the level of PC experts;

3. You are very familiar with Registry and clearly know that what severe consequence may occur for your mistake;

4. You are able to reverse the wrong operations during Prifass.sys manual removal.

If you do not fulfill the above conditions, Plan B will be risky option for you. Our tech team strongly suggested you to choose Plan A which helps you detect and remove Prifass.sys safely and easily with professional security tools.

Click Here to Download Professional Removal Tool (For Windows OS)


Step 1 – Uninstall Prifass.sys and all malware from Control Panel.

1. Press “Windows key + R key” together to open Run window:

delete Prifass.sys from program list

2. Input “control panel” in Run window and hit Enter key to open Control Panel:

3. Click Uninstall a program:

Prifass.sys complete removal

4. Right-click Prifass.sys or other unwanted programs and click Uninstall:

Step 2 – Remove Prifass.sys from Chrome, Firefox, IE and Microsoft Edge.

(NOTE – Please Bookmark This Page because some operations may restart or close your system or web browser)

Chrome

On Chrome: Launch up Google Chrome> click Chrome menu > click Tools> click Extension> select Prifass.sys and unwanted extensions> click trash bin

get rid of Prifass.sys from chrome

Firefox

On Firefox: Open Firefox, navigate to browser menu in the top right > select Add-ons > select Prifass.sys and unwanted extensions and add-ons > remove it with Disable or Remove button.

delete Prifass.sys from firefox

Internet Explorer

On IE: Open Internet Explorer >click Tools > click Manager Add-on Tools and Extensions> select Prifass.sys and unwanted extensions and add-ons > click Remove or Disable button.

get rid of Prifass.sys on IE

Microsoft Edge

On Microsoft Edge: (Reset default homepage and search engine to remove Prifass.sys associated hijacker)

(NOTE – Please Bookmark This Page because some operations may restart or close your system or web browser)

Reset Edge homepage: Click More (…) > click Settings > select A specific page or pages under “Open with” > select Custom to type your favorite website.

get rid of Prifass.sys from Edge

Reset Edge homepage: Click More (…) > click Settings > Click View advanced settings > Click <Add new> under “Search in the address bar with”> type your favorite search engine >click Add as default.

 

 

 

Step 3 – Delete malicious files of Prifass.sys from Registry.

1. Press “Windows key + R key” together to open Run window:

2. Input “regedit” in Run window and hit Enter key to open Registry:

Prifass.sys easy removal tool

3. Locate and remove registry files created by Prifass.sys and other threats as below:

HKLM\SOFTWARE\Classes\AppID\<random>.exe
HKEY_CURRENT_USER\software\Microsoft\Internet Explorer\Main\Start Page Redirect=”http://<random>.com”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\virus name
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon “Shell” = “%AppData%\<Prifass.sys>.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Random’ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random

 


 

 

(Mac OS) Plan C – Remove Prifass.sys Automatically from Mac OS Computer (Easy For All Mac OS Users)

In case your system has been attacked by Prifass.sys and other infections, MacKeeper will be the easiest and fastest way to clean up them and cure your Mac.Mackeeper is a reliable and powerful Mac protection and optimization software which helps you keep your Mac clean, fast and safe. Mackeeper is one of the best Mac OS security software designed to offer Mac users with best experience. Mackeeper has received great reputations from its users and it is winning trust from more and more users. As a 16 in 1 application is the most advanced way to care for your Mac. It is worth to get it. Follow steps below to delete the threats now:

1. Download and Install MacKeeper by clicking the image below:

2. Once MacKeeper is installed, use the Find & Fix feature to check the status of your Mac and remove all infections and fix all problems:

Prifass.sys quick removal tool

3. If the Find & Fix did not solve all issues, you can use the Geek on Demand feature to get a Apple expert to help you as an personal assistant. The Apple Certified Support Professional expert will provide solutions for any technical problem, whether a minor nuisance or a catastrophic failure.

get rid of Prifass.sys safely

 

Mackeeper is a package of 16 applications, you can get almost all necessary tools for your Mac and everything will become easy and convenient on your machine. Here are some powerful tools packed in MacKeeper:

Internet Security – Protect your Mac from identity theft fraud (phishing), malware, spyware, adware, viruses and identity theft while using the Internet.

delete Prifass.sys

Files Recovery – Deleting files does not necessarily mean losing them forever. Now you can recover even after they are deleted from the trash.

Prifass.sys removal help

Files Finder – Search and quickly find any lost or misplaced file, even without knowing what folder is.

remove Prifass.sys

Disk Usage – Look at the size of the folders on your hard drive to see at a glance which folders take up more space.

delete Prifass.sys in mac

Anti-theft – If you steal your Mac, theft continues its location and even makes a snapshot of the thief with iSight.

mkthef

 


 

Warm Reminder – Something You Should Know After Removing Prifass.sys

To avoid Prifass.sys coming back and prevent attacks from other infections, follow these basic rules while using your computer:

– You should always choose Custom Installation no matter what software you are going to install;

– Uncheck hidden options which attempt to install additional programs you never need;

– Scan all downloaded attachments of email before you open them;

– Never open any attachments of unknown or spam emails;

– Do not visit adult / porn websites;

– Do not update any app from nonofficial websites.