I was really freaked out with this Trojan.Cryptodefense.B virus on my dell laptop, for I can’t do anything smoothly on the compromised system. It took even more time to load up programs, websites and videos, etc. since the computer was affected by the Trojan. The Trojan made my computer extremely slow and it caused system freezing issue and other serious damages. I want to save my computer, but I am not computer savvy, what should I do? How to get the Trojan horse off my computer completely? Please help!

Information about Trojan.Cryptodefense.B Virus:

Trojan.Cryptodefense.B is a risky Trojan horse that can be circulated for a long time. It is changed into different variants that are vicious computer infections. It is designed by cyber hackers who put this Trojan horse into hacked websites, fake attachments, insecure download sources and other harmful resources online. The Trojan is capable of affecting PC users all over the world, and it targets all Windows OS like Windows 7, Vista, XP and Windows 8 and so on. Though The Trojan horse seems tiny, it takes over your whole system and performs malicious actions in the contaminated system. It leads to destructive damages, and you will get in trouble with every activity on the affected computer. Besides, this Trojan changes your system files and registry entries and even creates new files with random names in the system. To go deep into your computer, the Trojan horse usually comes bundled with adware, malware, spyware and other threats and drops vicious copies to the system without any knowledge. What’s worse, the Trojan may be designed to execute dangerous activities in the target computer to achieve illegal purpose. Consequently, it is necessary for PC users to get rid of the Trojan horse entirely and immediately.

While being affected by the Trojan.Cryptodefense.B virus, your computer will be responding slower and slower. It suffers from system stuck, constant freezes and crash particularly while you visit websites, play games and launch programs and so on. Absolutely, the Trojan slows down your computer performance in every possible way and brings you lots of troubles. It may trigger pesky browser redirection and displays unknown pop-up ads and error messages every time you search the web on the computer. You can be extremely freaked out at using such a target computer but have tried in vain to deal with the Trojan horse via your advanced anti-virus software. That’s because the Trojan affects your security programs and make them malfunctioning at last. To remove this stubborn Trojan.Cryptodefense.B virus, you had better figure out an effective manual removal way.

Note: Manual Removal requires expertise and it is for advanced computer users, if you don’t have much experience in dealing with such virus infection.
Contact YooSecurity Online PC Experts for removal assistance.

Symptoms of Similar Trojan Infection:

– This Trojan.Cryptodefense.B virus can escape from most antivirus protection and get itself installed on computers especially with Windows operating systems.
– It can cause constant stuck or even blue screens on the infected computers.
– Computer users will experience constant security pop ups on the computers which may not truly represent the status of the PCs.
– Certain malware or spyware may be prompted by these fake security pop ups which will end up scamming money.
– Sensitive data like privacy can also be stolen and taken advantages by cyber criminals.

Manual Removal Step by Step Instructions

Up till now, there is not a perfect anti-virus tool that can detect this pesky Trojan virus or delete it entirely. Trojan.Cryptodefense.B has been updated by remote and backstage cyber criminals and is able to escape from the scan of any anti-virus programs thus it is hard to be removed or even found. The most effective way is to remove it manually. The following instructions need quite level of computer expertise, for manual removal is a complicated and difficult process. If you don’t know how to that correctly, please contact with YooSecurity online support now!

Step A: Open Windows Task Manager to end process related to this Trojan infection. To do that, press Ctrl+Alt+Del keys at the same time to pull up Window Task Manager; go to Processes tab on top and scroll down the list to find.


Step B: Open Control Panel from Start menu and search for Folder Options. Go to Folder Options window, under View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step C: Press Windows+R keys to pull up Run box and type in regedit to open Registry Editor.


Step D: Delete all these associated files and registry entries with Trojan.Cryptodefense.B virus from Registry Editor. The registry files are listed randomly. Besides, you need to delete the infection files of the virus from your system files to prevent it from coming back. Those files are named randomly also but may be different on different operating systems.

Video on How to Modify or Change Windows Registry Safely:

To Summarize Shortly:

We learn that the Trojan.Cryptodefense.B virus is a big computer problem to PC users from the worldwide. It targets various Windows OS and does great harm to the affected computer. It can be installed in the contaminated system automatically and activated in the background of your computer, ready to carry out its action. The longer the Trojan stays in the computer, the more damages will occur. When you search the web, watch videos and play games, etc. on the computer, you may find that the computer freezes up constantly. Also, your default computer settings like desktop image and browser homepage can be modified by the Trojan at random. Before any further occurs to your computer, you should take steps to delete the Trojan horse at a quick time.

Note: Have tried many methods but failed to remove Trojan.Cryptodefense.B virus? If you have no clue, please contact YooSecurity Online Experts in time to save your computer.

Published by Tony Shepherd & last updated on November 14, 2015 5:56 am

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