Does your antivirus program detect a Trojan horse named Trojan.Crypt3.AHNF on your computer? Have you tried removing it using the antivirus program several times but still end in failure? What is the effective way to deal with this stubborn threat? Here we will provide the best guide to get rid of this threat from your infected machine.
Information about Trojan.Crypt3.AHNF
Trojan.Crypt3.AHNF is a very harmful Trojan horse written by the hackers and released into the internet world to attack computers worldwide. It can secretly finish its installation process on your computer in a very short time. Then, it starts to infect vital system files and make changes to system settings. You infected computer will run very sluggishly since the Trojan horse consumes many system resources while it is running in the background of the system. Each time you start up/shut down your computer, you will find it take a long time to load. This Trojan horse can run automatically whenever Windows is logged on. You may find that some files disappear from your computer. Actually, Trojan.Crypt3.AHNF is able to hide your important files and won’t allow you to find them. In addition, it will drop other threats onto your computer to further damage the system, which could cause other severe problems. Moreover, this Trojan horse may allow the hackers to gain access to your infected computer without any knowledge. Thus, they are able to watch what you are doing on the computer. Trojan.Crypt3.AHNF can disguise itself as a legit part of the system and deeply root in your computer. This can explain why your antivirus program cannot cope with it. You will feel annoyed when you find this Trojan horse comes back after you have removed or quarantined it with you antivirus program. In this case, you have to consider using other effective ways to remove Trojan.Crypt3.AHNF.
Symptoms of Trojan.Crypt3.AHNF Infection
Computer performance degrades sharply and it takes a long time to turn off\shut down the computer.
Computer performs abnormally. It frequently restarts itself or shuts down with no warning.
Network speed becomes very slow, and it is almost impossible that you download any large file or watch videos online.
Many error messages or pop-ups appear on the computer screen even when you are not browsing the web or it is disconnected from the network.
The web browser behaves weirdly, for example, you are directed to another site when attempting to visit Google.
Your default browser homepage is replaced by an unknown and suspicious one without any permission.
Your antivirus program and firewall are disabled without your knowledge and consent.
Some programs cannot be launched as usual. When you try to run a certain program, you may receive the error message saying that the program cannot be launched for some files are not found.
Some files and folders cannot be found; and some unknown files and programs appear on your computer.
Causes of Trojan.Crypt3.AHNF Infection
You haven’t updated your operating system and the software installed in the system for a long time.
You don’t install a quality antivirus program or you don’t make it running while you are surfing on the Internet.
You download and install some software downloaded from untrustworthy sources, and you don’t scan for malware before installing it on your computer.
You agree to install an optional program which is actually malicious when installing a “reputable” application.
You browse websites which have been hacked by cyber hackers and unwittingly download malware to your computer when clicking on some hidden download link.
You open malicious attachments when receiving emails from unknown people or your contacts.
Best Trojan.Crypt3.AHNF Removal Guide
Most users find it hard to remove the Trojan horse from their computers. This is because that this Trojan horse is designed with the latest programming language and programming technology. Owing to its changeable characteristic, this Trojan horse can easily escape from detection and removal by antivirus programs. So, it is not strange that this worm can be detected by antivirus programs like AVG, Norton and MSE but can’t be removed by them completely. In this case, you have to try other methods to remove it. Here are two methods for you:
Method 1: Remove the Trojan Horse by Following the Guide.
Method 2: Remove the Trojan Horse by Using SpyHunter.
Note: It requires users to have sufficient computer expertise to follow the guide given below to manually remove the Trojan horse. If you are a novice computer user, then we highly recommend you to remove the threat by downloading and using an automatic removal tool.
download spyhunter now
Method 1: Remove the Trojan Horse by Following the Guide.
You can try manually removing Trojan.Crypt3.AHNF by following the steps below. However, if you don’t have any experience of dealing with processes, files and registry entries, we don’t suggest you to do so. Using an automatic removal tool will be better option.
1. Restart your computer into the Safe Mode with Networking.
During the start-up processes but before the Windows launches, keep tapping F8 key until the Advanced Boot Options appears on the screen. Highlight the “Safe Mode with Networking” option using the arrow keys and then press Enter.
2. Open Task Manager to terminate the process of Trojan.Crypt3.AHNF.
Press “CTRL + Shift + ESC” key together to start the Task Manager; under Processes tab, right-click the running process of the Trojan horse and select the “End Process” option to terminate it.
3. Show all hidden files and folders.
Go to Start button and select Control Panel; in the Control Panel window, click on Appearance and Personalization link; select Folder Options; click the View tab in the pop-up Folder Options window; Under Advanced settings, click “Show hidden files, folders and drives”; non-tick “Hide protected operating system files (Recommended)” and then click OK.
4. Find out and remove all the files related to Trojan.Crypt3.AHNF.
%Temp%\random.exe
%UserProfile%\Desktop\random.exe
%UserProfile%\Application Data\random.exe
5. Delete all registry keys associated with the Trojan horse.
Click the Start menu, type “regedit” into the search box, click the program named “regedit.exe” from the result list; when the Registry Editor window is opened, search for all registry keys associated with the Trojan horse; right-click and delete them all from your computer.
open-regedit-from-start-menu
Registry_Editor_Vista
HKEY_CURRENT_USER\Software\[Trojan horse name]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “random”
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon “Shell” = “%Documents and Settings%\[UserName]\Application Data\random.exe
Method 2: Remove the Trojan Horse by Using SpyHunter.
Spyhunter is one of the top malware removal tool which helps to remove various malware such as Trojan horses, worms, adware, redirect viruses, and rootkits from your computer. To permanently remove Trojan.Crypt3.AHNF, please follow the steps below:
Step 1: Download SpyHunter by clicking on the download button below.
Step 2: Follow the setup wizard to install SpyHunter on your computer. Then, run the program to scan the system for Trojan.Crypt3.AHNF and any other potentialthreats.
Step 3: Once the scanning is complete, remove all detected threats by clicking on the “Fix Threats” button.
How to Protect Your PC from Malware?
Keep your system and any software installed on your computer up-to-date. Malware like Trojan.Crypt3.AHNF usually exploit system vulnerabilities or software flaws to attack your computer.
Don’t click inside misleading pop-up windows: Many malicious websites try to install malware on your system by making images look like pop-up windows, or displaying an animation of the website scanning your computer.
Don’t open e-mail attachments unless you know the persons who send the attachment and you are expecting an attachment from them.
Be careful when installing software that you’ve downloaded from the internet, since it may include malware.
If you are running Internet Explorer as your browser, at a minimum you should use a “Medium” security level for the internet zone.
Be extremely cautious when you are prompted you to download certain software or run an Active X control.
Note: Manually removing the Trojan horse is a complicated and risky task, and it should only be attempted by advanced computer users. If you are a newbie, you can consider installing and running an automatic removal tool to remove the stubborn Trojan horse within clicks. A powerful removal tool can not only completely clean up the existing threats from your computer, but also protect your system from any future malware so that you can surf the Internet safely.
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