Cockblocker ransomware virus. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware
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CockBlocker ransomware virus acts rowdy. What else is known about this virus?

CockBlocker virus may look like a filthy ransomware-type [1] computer program, luckily though, it is merely a scareware [2] application which imitates ransomware working principles in order to extort some money from the victims. Unlike regular ransomware, it does not encrypt the files it finds on the computer with complex algorithms [3], which means that the files remain structurally unchanged. Nevertheless, the virus still marks all files with .hannah file extension to make them look like they have been encrypted. When the “encryption” is done, the virus drops a lock screen with an insulting message in a RansomwareDisplay.exe program window:

Yo file’s been encrypted n**a
Pays me a bitcoin and I unencrypt them fam

This deceptive program displays the list of the supposedly encrypted files and asks to input a decryption code. However, the virus still seems to be in a development process at the moment, since it does not provide information on how to pay the $732 dollar ransom or how to contact perpetrators. Therefore, we assume that you should make CockBlocker removal a top priority task. To remove CockBlocker virus, run anti-malware software. If you do not have it, consider installing Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. It is believed that this ransomware is going to be improved anytime soon, but in case you become a victim of this malware, do not consider paying the ransom. In quite a lot of cases, victims who pay up never receive the decryption tool. Besides, just recently, ransomware investigators have announced some good news on how to terminate the lock screen and get back the access to the computer. You simply have to enter not_a_backdoor into the blank space provided on the lock screen and hit “Use Decryption Code”. 

CockBlocker ransomware

How can you get infected with this ransomware?

Your computer might become contaminated with CockBlocker malware if you tend to browse the Internet carelessly, without thinking about general Internet hazards. You must understand that the world wide web offers a lot of interesting content, but it also provides a lot of dangerous content as well. Browsing the Internet notwithstanding the impeding danger is like walking through a minefield. One click on a malicious link or one email attachment can entirely mess up your computer system and take your precious files away from you. If you do not want that to happen, try to stay away from suspicious or vague content online. Especially pay attention to emails that you receive. Never open files sent to you from unknown people or organizations. In many cases, criminals pretend to be someone they’re not, so do not believe that someone is writing to you from Amazon or Paypal before checking sender’s email online [4]. Also, stay away from sites that aggressively ask you to install software updates, browser extensions, add-ons, and similar software. No one should be pushing you to install anything – if someone does, there is a great chance they want to infect your computer with CockBlocker or any other type of malware.

How to remove CockBlocker virus?

CockBlocker removal can be completed using anti-malware tools. It is not recommended to test your malware removal skills by experimenting with this virus because it is not a regular program and unlike ordinary and legitimate programs, it can hardly be removed via Control Panel. To remove CockBlocker virus, follow instructions provided below. You need to prepare the computer for this procedure. After removing the virus, take a look at data recovery tips provided below the removal tutorial.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Cockblocker ransomware virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual Cockblocker virus Removal Guide:

Remove Cockblocker using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Though the virus is merely a scareware and does not encrypt files, it does not mean it will not fight to remain on your computer. You can decontaminate the virus by following instructions down here:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Cockblocker

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Cockblocker removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Cockblocker using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

If you encounter some difficulties with virus elimination, please follow the instructions below and try again.

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Cockblocker. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Cockblocker removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Cockblocker from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

At the moment, Cockblocker ransomware virus is in a development and currently it provides no instructions on how to pay the ransom. Even if it did, we wouldn’t recommend paying it. You can try these data recovery strategies:

If your files are encrypted by Cockblocker, you can use several methods to restore them:

Use a data restoration tool

Although this tool sometimes cannot help to restore files that are rendered useless with strong encryption, it is still worth to try it and see what it can do.

Restore using Windows Previous Versions

Some files can be recovered via Windows Previous Versions. This method works if you have enabled System Restore function a while ago.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Cockblocker decryption solution

Enter not_a_backdoor string into the box on the bottom left corner of the lockscreen window and click “Use Decryption Code”. The program should close. Then, run the scan of your computer using reputable antivirus software.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cockblocker and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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References


  • Johny

    Bizarre ransomware. Just bizarre.

  • Orinta

    Not funny, especially if you get hit by this ransomware… My little brother somehow managed to download this junk virus to his computer and now he cannot do anything on it anymore. at first he laughed at the ransom note, but when he realized that hes not gonna access his games and videos again, he stopped. at least entire family now knows what ransomware is…

  • Hannibal91

    Nothings helps to restore files.. Theyre lost as soon as they get encrypted!

  • skrillex

    I wish I had a backup. Now my hands are tied – I am not going to pay the ransom, but I am also not getting my files back. Sad.

  • Lank

    Or you could enter the decryption key as shown by the creator of the program, which is “not_a_backdoor” and BAM everything is back to normal, youre welcome.

    Evidence: https://twitter.com/_kmonica/status/805143676745904129