Windows Problems Help Center

Thursday, October 30, 2014

How to Remove Trojan Horse Crypt3.BAVF Step by Step?

"My computer have a Trojan horse Crypt3.BAVF which is spotted by AVG but when it is healed and rebooted it returns. Any help with its removal greatly appreciated."  In this post, you can get the removal guide.

Dangers of Trojan Horse Crypt3.BAVF


* It is a dangerous backdoor Trojan horse
* It may allow intruders to modify your system
* It may spread additional spyware or malware
* It may be controlled by a remote person
* It violates your privacy and compromises your security
* It may allow access for the remote host by installing hidden FTP server

Brief Introduction about Trojan Horse Crypt3.BAVF


Trojan Horse Crypt3.BAVF is a dangerous Trojan horse which can come into your computer along with some free software, files and drivers, suspicious web sites, spam email attachment, downloading freeware or shareware using infected media or USB devices, sharing files over P2P network, etc.  You will notice your computer runs wearied with the behavior below. 

1.Some unknown files open randomly;
2.Computer sometimes is slow, crashing, or freezing;
3.You are redirected to some unwanted websites;
4.Your toolbar will be changed to some other malicious toolbar.
5. Navigation buttons start to disappear on your desktop
6. Some unknown programs or threats come into the computer easily

Trojan Horse Crypt3.BAVF is a dangerous Trojan which will open backdoor for other virus. You'd better remove it immediately. Please refer to the guide below. And it is highly recommended to keep a powerful anti-virus like Spyhunter on the computer to remove and block viruses.

Trojan Horse Crypt3.BAVF Removal Guide


Guide 1: To manually delete all its related items like the steps showed below

Step 1: Restart computer in safe mode.  

Keep pressing F8 key before Windows interface launches. When Windows Advanced Options menu turns up, select Safe Mode with Networking and tap Enter key.

Step 2: End all running process in Task Manager 

Press Ctrl+Alt+Del together to open Task Manager -> click on processes and tick Processes from all users box -> click on End Process to end all processes

Step 3: Delete the Trojan program from Uninstall a program in Control Panel

Open Start menu and choose Control Panel -> select Uninstall a program -> choose the Trojan program and right click the Uninstall button on your right to delete it

Step 4: Open Control Panel from Start menu and search for Folder Options. 
When Folder Options window opens, click on its View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then press OK.

Step 5: Remove all entries below in Registry Editor:

Press Windows+R to launch Run…-> type Regedit into Open box and click OK to open Registry Editor-> find out all registry entries above and delete them



HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Trojan Horse Crypt3.BAVF " = "%AppData%\<random>.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "Trojan Horse Crypt3.BAVF " = "%AppData%\<random>.exe"

Guide 2: To safely and automatically uninstall it with SpyHunter

SpyHunter is a real-time and effective antivirus. Though you have had a safeguard before, it can still be installed as an assistant one. Then, your computer will have double security.

Step 1: Press the following icon to download SpyHunter.



Step 2: Get it saved in your computer and click the Run choice to install it step by step. 


Step 3: Click Finish then you can use it to scan your computer to find out potential threats by pressing Start New Scan.


Step 4:Tick Select All and then Remove to delete all reported threat.

If you are still worried about the left over of Trojan Horse Crypt3.BAVF and want to clean all the unwanted registry entries,  or want to uninstall other specific programs, it is recommended to use Perfect Uninstaller. 

Guide to unneeded applications and speed up PC with Perfect Uninstaller


Perfect Uninstaller is a powerful uninstall tool which can completely remove Adobe, Aol Toolbar, Avast, AVG, ESET NOD32, Internet Explorer 8, McAfee, Microsoft Office, Nero 7, Norton, ESET NOD32 and much more difficult to completely uninstall applications. It is better and easier way for you to completely and safely uninstall any unneeded or corrupt application that standard Windows Add/Remove applet can't remove.

A: At first, boot your computer into Safe Mode with Networking.

To perform this procedure, please restart your computer and keep pressing F8 key until Windows Advanced Options menu shows up, then using arrow key to select “Safe Mode with Networking” from the list and press ENTER to get into that mode.

safe mode with networking

B: Follow the below guide to continue.

Step 1. Install and launch Perfect Uninstaller on your PC.

Perfect Uninstaller install

Step 2.  Select "Run" to download and install Perfect Uninstaller.

run and save file

Step 3. After completely install, you can run the Perfect Uninstaller programs and see all your installed programs details.
Program Details

 Step 4. Choose the programs that you want to uninstall, click “Next” to proceed.


 Step 5. Perfect Uninstaller is scanning your PC for associated entries. Click “Next” to remove them.

uninstall_step3

uninstall_step4
uninstall_step5


Conclusion: Trojan Horse Crypt3.BAVF can be very destructive. It compromises your computer and also your privacy. Please don’t wait until it has caused unalterable damages.Manual removal is complex and risky task, as it refers to key parts of computer system, and is recommended only for advanced users.  You can Download Perfect Uninstaller to help you uninstall unneeded applications and registry files that the Standard Add /Remove Program can't completely uninstall.

Download SpyHunter to block and remove it automatically and safely now.


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