Hey, there. I am getting a big problem on my computer right now. Why do I keep receiving an alert on the detection from Norton which is stating about a Trojan called Trojan.Compfun? I have no idea how it accesses my computer? Worrying about how to remove this infection as soon as possible? Anti-virus programs can’t make the removal done completely. What should I do now? Please help! Thank you!
Trojan.Compfun is classified as a kind of malicious computer Trojan virus. It is designed by cyber criminals to attack Windows computer users. Even though the security tools can detect this virus, it is very difficult to be deleted by any antivirus tool. This virus can get into your computer by many channels. It is usually associated with some unwanted email as attachments, spam emails, as well as dubious websites and freeware downloaded from the internet. Once installed on your computer, it may conduct lots of malicious actions on your system so as to mess up your system. Hence, this virus is considered as a risky virus which may bring your computer into a great risk situation.
Trojan.Compfun is a hurtful Trojan that invades into user’s computer without taking their permission. Once this virus got into your computer, it will change your operating system and your computer registry files immediately. Additionally, it will slow down your computer’s performance severely that covers booting, shutting down, playing computer games and browsing the Internet, etc.. What’s more, it can run itself when you start your computer and then control your actions and then end all your running processes as soon as it can. Furthermore, it will spread some fake alerts and messages on the infected computer screen. Otherwise, this virus may open a backdoor for cyber hackers to get into your computer by remote with the purpose of pilfering your private information like your bank accounts, credit card, log in usernames and password and so on. And it may destroy your security system to act a platform for other viruses entering your computer more easily, such as spyware, malware, adware, as well as other Trojans and so on. So, you are suggested to remove this virus from your computer as soon as possible.
1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.
Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of Trojan.Compfun, professional manual guide is needed.
Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.
1. End the malicious process from Task Manager.
Trojan.Compfun is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.
(The name of the virus process can be random.)
Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：
2. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
3. Open Registry entries. Find out the malicious files and entries and then delete all.
Attention: Always be sure to back up your PC before making any changes.
a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.
Then a Registry Editor window will pop up as the following picture shows:
b. Search malicious files and registry entries and then remove all of them:
%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AllUsersProfile%\Application Data\.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Trojan.Compfun is a vicious Trojan infection which may display annoying ads on your system after its installation. This virus may get into your computer without your permission and knowledge. Once installed, this malicious Trojan will become a big threat to your computer system as well as your financial security. Thus, it is highly recommended to get rid of this vicious Trojan as soon as possible once it is detected. As we all know that such stubborn Trojan infection can only be removed by manual. However, manual removal process is a complicated procedure. If you make any mistake during this process, you may lead to a mess up on your system. It is recommended that if you don’t know how to start, please click on the blue button of live chat on this page with Yoocare Online Expert for further assistance.
Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.
Published by on May 17, 2015 1:29 pm, last updated on May 17, 2015 1:29 pm
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