How to delete CryptoDefense popup – the step-by-step CryptoDefense removal guides

Get CryptoDefense popup on your Chrome and Firefox all the time?

Try to remove CryptoDefense from the home page but fail at last?

It comes back again and again to hijack your webpage?

Now, read the following post and delete CryptoDefense Virus step by step. 

What do you know about CryptoDefense popup?

CryptoDefense popup is not a legit application but a dangerous browser hijacker that is able to mess up your entire PC system. Normally, it is easy for you to get infected by CryptoDefense when you negligently visit hacked websites and download unsafe files. As soon as you execute its files, CryptoDefense will quickly sneak into your workstation.

As a creepy virus, CryptoDefense will lead to a series of problems. To begin with, it hijacks your web browser and changes your homepage to its domain. As a result, if you want to visit other websites, you have to finish those paid online surveys first. Secondly, CryptoDefense will act as an adware, and in order to help hackers make more money, it will display continuous pop-up advertisements on your screen, so that, the computer running is seriously affected. Thirdly, owing to CryptoDefense popup virus, you will encounter many PC malfunctions, such as BSOD, Internet connection failure, system error messages and so on. Before you clean up CryptoDefense virus, these problems will not disappear. Furthermore, to enhance the Internet traffic of certain websites, CryptoDefense popup virus will modify your search queries and force you to visit unwanted websites. You must be alerted when redirect occurs, because those websites usually contain many potential threats.

Last but not the least, CryptoDefense is also a great threat to your privacy, for it can spy on your surfing activities, as well as steal your confidential information. So, when hackers get the stolen data, they will do more harm to damage your benefit. All in all, when CryptoDefense is detected in your PC, you need to take immediate action to get rid of CryptoDefense Virus.

1. Professional Removal from Online Experts (Recommended)

        

2. Manually Uninstall Remove CryptoDefense Virus

If you are familiar with various computer settings and manually editing registry, you can take the risk and try to manually remove CryptoDefense virus. Since there are too many steps to go through and time-consuming, please be very patient and careful when you try to delete CryptoDefense virus.

1. Close all browsers on your machine.

2. Click Start Menu and Control Panel.

3. Click Add/ Remove Programs

4. Uninstall suspicious or unknown toolbars or software that you installed recently

Remove CryptoDefense virus from Firefox

Remove CryptoDefense virus from Chrome

Remove CryptoDefense virus from IE

Remove CryptoDefense virus from Firefox

1. Run Firefox

2. Click Help and then Troubleshooting Information

3. Click Reset Firefox button to reset your Firefox settings

Remove CryptoDefense virus from Chrome

1. Run Chrome and find Settings in Chrome

2. Then click Extensions tab and uninstall suspicious or unknown extensions

Remove CryptoDefense virus from Internet Explorer

1. Run Internet Explorer and click Tools and Internet Options

2. Click Advanced tab and then click Reset button

3. Tick Delete personal settings, and then click Reset

4. Click Close after the reset.

To completely remove CryptoDefense virus, please:

1. Open registry editor and delete registry entries

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\KB8456137 = “%LocalAppData%\KB8456137\KB8456137.exe”

HKEY_CLASSES_ROOT\CLSID\{28949824-6737-0594-0930-223283753445}\InProcServer32 “(Default)” = “\.dll

2. Delete malicious files:

%Documents and Settings%\[UserName]\Application Data\[random]

%AllUsersProfile%\Application Data\.dll