Effectively Remove .Cobra Extension Virus

.Cobra Extension Virus Removal Instructions

.Cobra Extension Virus is a hot computer virus this week and now it is harming more and more computer users. Our team received many emails from the victims infected by .Cobra Extension Virus, they are all looking for assistance to completely remove this severe infection, thus we post this guide to assist all users clean up the ransomware and avoid further damages from it. If you are one of the victims, check details below and learn to get rid of .Cobra Extension Virus in time. To remove .Cobra Extension Virus and avoid the same issues happening again in the future, you need to have a complete knowledge about this kind of threat, so we will let you know all details of the virus first: How does it invade your system? What damages will it cause? Should you buy the decryption key?

.Cobra Extension Virus Distribution

With several researches, we have confirmed that .Cobra Extension Virus is mainly distributed through spam email attachment and Trojan. Hackers send spam emails to PC users and cheat them to download and open the attached ZIP files, which is the activation code of .Cobra Extension Virus. Therefore, to avoid such threat in the future, do not download or open any spam email attachments or click links on it. Besides, .Cobra Extension Virus can be loaded due to Trojan horse embedded on porn websites or free download software. When you click a link on porn site, or run the freeware installed shared by unsafe sites, the ransomware will be triggered to infect all your files.

.Cobra Extension Virus Damages

.Cobra Extension Virus will encrypt all your files, regardless of the file type. All your images, photos, documents will be locked with unknown file extensions, such as .Fun extension. Meanwhile, you will read a warning from a webpage, TXT file or image left by .Cobra Extension Virus, which asks you to follow its instruction to buy the decryption key. Besides the encryption, you will notice that your system become slow and sluggish, and other problems such as system crash or disconnection of Internet will happen soon. It’s strongly suggest removing .Cobra Extension Virus as quickly as possible.

Is It Good to Purchase .Cobra Extension Virus Decryption Key?

No, never pay for it ! Firstly, these hacker will not give any guarantee for the so-called decryption key, that means you will pay for nothing. Besides, the payment procedure may put your account and information at risk. These hackers can hack your files, don’t you think that they will not be able to hack your bank accounts? In short, purchase of decryption key from hacker will make you lose money, lose files and lose your sensitive information, do not buy it! In such situation, the most important thing is to remove .Cobra Extension Virus from your system first so that it cannot cause more loss. After removing it, you can have a try on some well-known data recovery software to get some of your files back.

Effective Steps to Get Rid of .Cobra Extension Virus

Option 1 – Locate all .Cobra Extension Virus related files on your own and manually remove the virus (Don’t Try This Method if You Are not a PC Expert)

Option 2 – Install top-class anti-malware tool to help you remove .Cobra Extension Virus safely and quickly (Hot Option! Best Method for All PC Users)

Option 1 – Manually Remove .Cobra Extension Virus

Step 1. Uninstall .Cobra Extension Virus related programs and other unwanted software you installed recently.

1. Press “Windows” key and “R” key at the same time to open “Run” window, and then type “control panel” into the Run window and click OK.

remove .Cobra Extension Virus completely


2. Now select category view, and click on Uninstall a program under the Programs.

get rid of .Cobra Extension Virus completely

3. Click Installed On to display the latest programs, scroll through the list to find and uninstall .Cobra Extension Virus and other unwanted programs installed recently.

delete .Cobra Extension Virus completely


Step 2 Get rid of malicious Registry values and keys associated with .Cobra Extension Virus.

1. Press “Windows” key and “R” key at the same time to open “Run” window, then type “regedit” into the window and click OK
how do i remove .Cobra Extension Virus

2. Now manually locate all malicious registries created by .Cobra Extension Virus:

Attention, Please!! Any small mistake made in Registry will ruin your computer!!

TO AVOID Damages to Your System, Our Lab Recommend:

>> Download SpyHunter Anti-malware Tool – One of the Best Malware Removal Tool <<


HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\.Cobra Extension Virus\7TT0-F49X-LPA01-3150QB
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\.Cobra Extension Virus\9WG9-L33B-ZSH05-1418OI
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Shell\.Cobra Extension Virus\0PH1-S39W-JGS29-6268LL
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random].exe”
HKEY_CURRENT_USER\Software\AppDataLow\Software\.Cobra Extension Virus
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ .Cobra Extension Virus
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\BrowserHelperObjects\[random numbers]

how to delete .Cobra Extension Virus

Step 3. Remove Microsoft Edge/ Internet Explorer add-on, Chrome extension and Firefox add-on related with .Cobra Extension Virus.

Google Chrome User

how can i get rid of .Cobra Extension Virus from chrome


quickly remove .Cobra Extension Virus from chrome

  1. Click the Chrome menu on the browser toolbar.
  2. Click Tools.
  3. Select Extensions.
  4. Click the trash can icon to delete .Cobra Extension Virus extension.
  5. Make sure to remove all extensions you do not know or need.
  6. A confirmation dialog appears, click Remove.

Firefox User


way to remove .Cobra Extension Virus completely from firefox

method to remove .Cobra Extension Virus completely from firefox

  1. Click the menu button and choose Add-ons. The Add-ons Manager tab will open.
  2. In the Add-ons Manager tab, select the Extensions panel.
  3. Make sure to remove all extensions you do not know or need.
  4. Click Disable or Remove button of .Cobra Extension Virus.
  5. Click Restart now if it pops up.

Internet Explorer User


guide to remove .Cobra Extension Virus completely from ie

remove .Cobra Extension Virus completely form IE

  1. Open the IE, click the Tools button , and then click Manage add-ons.
  2. Click Toolbars and Extensions on left side of the window., and then select .Cobra Extension Virus
  3. Make sure to remove all BHO’s you do not know or need.
  4. If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close. Otherwise click Disable button.

Microsoft Edge User

(Since Edge browser does not have extensions function now, what you need is just to reset homepage and search engine.)
1. Set your homepage page on Microsoft Edge to remove hijacker virus.

  • Select More (…) on the address bar, then Settings
  • Under Open with, select A specific page or pages
  • select Custom to enter the URL of page you want to set as homepage


2 . Set your default search engine to remove search redirect virus.

  • Select More (…) on the address bar, then Settings
  • Click View advanced settings
  • Click <Add new> under “Search in the address bar with”, then input the search engine you like
  • Now select the search engine you like and click Add as default

Option 2 – Remove .Cobra Extension Virus easily and safely with help of top-class Anti-Malware Software.

Step 1. Diagnose your computer with Top-class anti-malware tools and remove .Cobra Extension Virus and other viruses.

PlumBytes Antimalware

1. Click the button below to download PlumBytes safety:

2. State installing it by double-clicking antimalwaresetup.exe.

.Cobra Extension Virus removal tool

3. Scan your computer with Plumbytes to detect all threats including .Cobra Extension Virus:

.Cobra Extension Virus quick removal

4. Click REMOVE NOW to delete all malware and viruses when scan is completed

.Cobra Extension Virus uninstaller

SpyHunter Antimalware

SpyHunter is best of the best AntiSpyware/ AntiMalware tool capable of detecting and removing all the Adware, Spyware, Malware, PUP, and Trojan Horse hiding in Windows computer. Start a free scan with SpyHunter now and find out all malicious files related with .Cobra Extension Virus virus.

1. Click the button below to download SpyHunter safety:


2. Once downloaded, please double-click SpyHunter -Installer.exe to start the installation.

get rid of .Cobra Extension Virus completely


3. When SpyHunter is installed, run a scan to detect .Cobra Extension Virus and other threats:

delete .Cobra Extension Virus completely

4. Once SpyHunter completes the scan, please click FIX YOUR PROBLEMS NOW to get rid of .Cobra Extension Virus and all hidden viruses.

how do i remove .Cobra Extension Virus


Step 2 Use professional computer optimizer to fix all damaged registry errors and security bugs caused by .Cobra Extension Virus.

Notes: If .Cobra Extension Virus virus still appear after you removed it with the above antimalware tools , it is clear that there are some registry errors and security bugs needed to be fixed. .Cobra Extension Virus virus can be re-activated by malicious codes it injected into your Registry, therefore we need to fix those registry errors and security codes and recover the healthy system files. After we fix the Registry, .Cobra Extension Virus will not have any chance to re-activate itself again. When we do any operation related with Registry, we need to be 100% careful, because any small mistake we make in the Registry can lead to severe problems, therefore, we recommend every user to get PC Health Advisor or RegcurePro help you complete the complicated operations in Registry automatically. They are the best tools which can maximize system performance and fix registry and system errors. take action now:

PC Health Advisor

1. Click the below to download PC Health Advisor safety:

2. Start PC Health Advisor Setup and install it :

good tool for removing .Cobra Extension Virus

3. Scan all system security bugs and click FIX ALL to optimize your computer:

good tool for delete .Cobra Extension Virus

RegcurePro Optimizer

1. Click the below to download RegcurePro safety:


2. Once downloaded, then double-click RegCureProSetup to start the installation of RegcurePro.

how to delete .Cobra Extension Virus

3. When RegcurePro is installed, please click Click to Start Scan to detect files corrupted by .Cobra Extension Virus:

how can i get rid of .Cobra Extension Virus

4. Once RegcurePro completes the scan, please click Fix Allto solve security bugs related with .Cobra Extension Virus.

.Cobra Extension Virus removal help

Step 3. Install Data Recovery Pro to Restore Files Infected by .Cobra Extension Virus.

1. Download Data Recovery Pro by clicking the button below:

2. Install Data Recovery Pro and then click START SCAN:

 .Cobra Extension Virus decryption tool

3. Select the infected files and then click RECOVER:

how can i decrpyt .Cobra Extension Virus

Important NOTE: Codes of .Cobra Extension Virus is updating all the time, so we need to use different data recovery tools to decrypt the codes and then we have chance to recover the infected files. So it’s highly recommended to install Stellar Windows Data Recovery to rescan your files as well:

Step 4 Install Stellar Windows Data Recovery to recover more of your encrypted files.

1. Download Windows Data Recovery by clicking the button below:

2. Install Windows Data Recovery and then click Scan Now

how to restore .Cobra Extension Virus files

3. Select the file types and then click Recover:

.Cobra Extension Virus decryption software


DISCLAIMER: All information provided on this article is “as is” for educational purpose only and the software listed on this article are only provided as reference. We do not guarantee that the methods or the tools can help you completely solve the problems on your computer since the conditions and situations of each PC is different. We are sorry if the above methods or tools cannot help you. Good luck to you.


.Cobra Extension Virus virus is mainly spread online through resources such as Free Software, Spam Email and Porn Websites. To avoid virus and malware like .Cobra Extension Virus infect your computer again, you should keep these tips in your mind:

1. Always select Advance or Custom Install if you want to install any free software;

2. Scan all attached files of emails you receive, even the emails sent from Contacts;

3. It’s best not to visit porn websites, which are often hosted by cyber criminal and they may harm your system severely.