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How to Remove Trojan:Win32/Chenf.A, Latest Trojan Virus Removal Guide

Trojan:Win32/Chenf.A Brief Introduction

Trojan:Win32/Chenf.A is a high-risk security infection that is programmed with progressive hack techniques to disrupt a targeted computer significantly. Basically, Trojan:Win32/Chenf.A infection can always infiltrate onto a user’s computer without user’s authorization or knowledge, as the malicious payload is being delivered to computers with the aid of infamous BlackHole exploit kit, which is capable of inserting the virus into system by technically making use of found security vulnerabilities. Apart from the common trick, Trojan:Win32/Chenf.A virus is adept at take advantage of various social engineering tactics such as corrupted advertisements, phishing emails carrying links or attachments, or bogus security alters and update notification to get inside victim’s system. In reality, Trojan:Win32/Chenf.A is a non-self-replicating type of malware program that generally triggers abnormal symptoms on affected computer using its incidental codes and files. Upon its installation, Trojan:Win32/Chenf.A infection will typically make modification in default system configuration such as MBR (Master Boot Record) in order to be loaded up automatically on every Windows boot.

Usually, Trojan:Win32/Chenf.A itself cannot be detectable easily determined by the nature of the virus. However, if it carries out apparent computing or communications activities in system, PC users may noticeably realize the overall slow performance of computer. This may happen when users start up/shut down computer, play online games, connect to Internet, etc. To get more knowledge about Trojan:Win32/Chenf.A, it can often display cookies and keyloggers for the purpose of collecting valuable information off PC users, such as online banking credentials, Visa or other sensitive personal identification information. As a matter of fact, PC users worry about Trojan:Win32/Chenf.A a lot, because it can regularly act as a backdoor. It is well known that a backdoor may be used by cyber criminals to disperse more malware threats on compromised machine for further harm. In addition, a backdoor may be even used to conduct distributed denial of service (DDoS) attacks and allow remote hackers to access targeted machine without any permission or knowledge. As a result, to safeguard the security of affected computer and user’s privacy, it is urgent to get rid of Trojan:Win32/Chenf.A virus once being informed of its existence.

Note: Trojan:Win32/Chenf.A manual removal requires certain computer tech knowledge. If you cannot remove Trojan:Win32/Chenf.A virus on your own, you are welcome to ask help from VilmaTech 24/7 online agents here to resolve your issue properly in a short time.

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How to Remove Trojan:Win32/Chenf.A Effectively

Trojan:Win32/Chenf.A is a sophisticated PC threat, which is believed to be large enough to be computationally infeasible to break without a powerful removal. Most commonly PC users would like to terminate Trojan:Win32/Chenf.A virus by means of their installed antivirus software application. However, no matter how many times they have tried, Trojan:Win32/Chenf.A virus will still come back over and over again after PC reboot. Well, tricky as Trojan:Win32/Chenf.A is, it is endowed with advanced hiding techniques by malware distributors. Even though you have updated your antivirus software application to the latest one, it may still have a very low chance to clean up all the components of Trojan:Win32/Chenf.A from computer. If this is the case, the almighty manual removal is strongly recommended to clean up all codes, files and leftover of the virus effectively.

Remove Trojan:Win32/Chenf.A with Manual Skills

1. Stop the running process of Trojan:Win32/Chenf.A in Windows Task Manager.

launch-task-manager-from-ctrl-alt-delete

2. Show hidden files of Trojan:Win32/Chenf.A. (As Trojan:Win32/Chenf.A hides its files deeply in system upon its installation, it is necessary to show hidden files of the virus before removing all its malicious codes and files.)

For Windows XP, 7 and Vista:

  • Reboot infected computer.
  • Click Start button showing in the desktop.
  • Select Control Panel option.
  • Go to Appearance and Personalization.

appearance

  • Click on Folder Options link.
  • Select the View tab.
  • Click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) under Advanced settings.

Screen-Shot-2013-05-22-at-7.32.05-PM

  • Apply OK.

For Windows 8:

  • Restart infected computer.
  • Click on the mini start menu.

win8_hidden files1

  • Navigate to Control Panel >Folder Options.

win8_hidden files2

  • Click the View tab in Folder Options.

win8_hidden files3

  • To show all hidden files. You need to click on the Hidden files and folders icon and then click the Show hidden files, folders, and drives option selector.

win8_hidden files4

  • Apply OK.

3. Remove the relevant files of Trojan:Win32/Chenf.A in local disk.

%Windir%\system\winlogon.exe
%Windir%\system\lsass.exe

4. Remove all Trojan:Win32/Chenf.A’s registry entries.

  • Open Registry Editor: Press  (win key+R) and typing in “regedit” without the quotes in the box.
  • Search for all the registry files related to Trojan:Win32/Chenf.A.
  • Right-click to delete them all.

regedit-win8

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “%Windir%\system\winlogon.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “%Windir%\system\lsass.exe”

Video Guide on How to Safely Backup Windows Registry

In Conclusion:

Trojan:Win32/Chenf.A is an invasive Trojan infection that has the capability to make hazards on the computer that it infects. Most commonly, it mainly attacks Windows operating system, including Windows 7, XP, Vista and Windows 8, especially the one which is short of appropriate PC security protection. By means of a variety of social engineering tactics, Trojan:Win32/Chenf.A can often sneak into a targeted computer without any permission or knowledge. As long as being installed, Trojan:Win32/Chenf.A virus will typically spread its codes in system in order to make medication in Windows registry. Very often, PC users who are suffering from Trojan:Win32/Chenf.A may notice the slow performance of computer. This is because Trojan:Win32/Chenf.A usually takes up large amounts of computing resources once being installed. Except the basic symptoms, Trojan:Win32/Chenf.A infection may steal user’s confidential data and then pass it onto remote hackers using cookie and keylogger techniques. What’s worse, Trojan:Win32/Chenf.A may even open a backdoor for remote hackers, which will allow them to access targeted machine without user’s authorization or knowledge, and may potentially drop and install additional malware to do further ham on compromised machine. It is certain that users are obliged to remove Trojan:Win32/Chenf.A from computer to end up its harmful damaging activities. However, it may bypass the detection and auto removal from antivirus software application or other security tools easily. In this circumstance, victims may consider the helpful manual approach to get rid of Trojan:Win32/Chenf.A virus effectively.

Tip: Manual process is a high risky and tough task, as it is related to key part of system. No single mistake is allowed. If you are not familiar with the operation and do not want to make mistake, you may start a live chat with VilmaTech 24/7 online agents here to fix your issue promptly and safely.

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