Trojan.Compfun Removal Instructions

About Trojan.Compfun

Trojan.Compfun is deemed as a dangerous Trojan horse that can completely compromise system firewall. If it intrusive into the computer system, it can be circulated for a long time and target worldwide computers running with XP, Vista, Windows 7, Winnows 8 and other Windows OS. This Trojan.Compfun virus is designed by cyber criminals and it spreads through harmful websites, spam emails and free download sources and so on. The Trojan infection is definitely an potentially unwanted program installed on your computer without any consent and awareness. It launches in the background of your computer every time the contaminated system is started.

The Trojan.Compfun will act so maliciously that it can make the computer out of control of the user.It reduces your system performance and network performance because your web page will always full of pop-ups, sponsor links, banners or interstitials. It may also modify your default DNS settings and block your access to the websites that you want to visit, so you may find your homepage is changed without your knowledge. This virus takes advantage of system vulnerability to spreads cyber criminals, so it has the ability to damage system files and entries. Your computer starts acting wired and sluggish. Worse still, it keeps track of all your online activities like keylogger.

Now that we know Trojan.Compfun do no good to our computer, we should take actions to get it out of our computer. But there is a question, the virus is capable of changing its name and adding new characteristics all the time, so it is difficult for us to remove it completely. To completely remove Trojan.Compfun, we should use both manual way and security software. But not all of the security software can deal with this nasty virus, here we recommend you a safe software, that is SpyHunter.

Trojan.Compfun virus manual removal steps

Step 1. Restart your computer and load Safe Mode with Networking

  • Reboot your infected PC
  • Keep pressing F8 key before Windows start-up screen shows
  • Use the arrow keys to select “Safe Mode with Networking” and press Enter.

Step 2. End Trojan.Compfun process from Task Manager

Press Ctrl+Alt+Del together to open Task Manage then click Process, find out the related process of Trojan.Compfun, then click End process

Step 3. Clean all entries created by Trojan.Compfun virus

  • Call out “Run” box by pressing “Windows” key + “R” key on your keyboard;
  • Type “Regedit” into the Run box and click OK to open Registry Editor

1 window+R and type regedit

Delete them all:

HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”
HKEY_LOCAL_Machine\Software\Classes\[adware name]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[adware name]

Step 4. Delete all cookies that Trojan.Compfun may bring

*Google Chrome:

Click on the Tools menu → select Options → Click “Under the bonnet” tab → locate “Privacy” section → browsing data” button → “Delete cookies and other site data” to delete all cookies from the list.

*Internet Explorer:

Click “Tools” → Click “safety” → “delete browsing history” → Tick “cookies” box and click delete

*Mozilla Firefox:

Click “Tools” → Click “Options” → Click “Privacy” → Click “remove individual cookies

Trojan.Compfun virus automatic removal steps

Step 1. Click the bellow icon to download SpyHunter

Dpwnload SpyHunter

Step 2. Once downloaded, close all programs, then double-click SpyHunter-Installer.exe to start the installation of SpyHunter.

Step 3. When SpyHunter is installed, it will be run automatically, then click Scan Your Computer Now to detect Trojan.Compfun related threats

Step 4. Once SpyHunter completes the scan, please click Fix Threats to get rid of Trojan.Compfun


After taking these two removal steps, Trojan.Compfun should be out of your computer. SpyHunter, a safe and real-time security software, with it your computer can always in the state of safe.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>