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

removal by Julie Splinters - - | Type: Ransomware
12

The menacing behavior of CryptoBlock ransomware

Unfortunately, CryptoBlock ransomware happens to be a file-encrypting malware. It follows the manner of CryptoLocker as the ransom message is the same. Though there have been already multiple imitations of this notorious cyber menace, some of them failed to gain the same success [1]. However, the current malware should not be underestimated. It also exploits RSA asymmetric key for locking the files. Due to its complexity, finding the decryption tool is not an easy challenge. We highly discourage you from paying the money taking into account the profit Cryptolocker collected throughout its existence. Instead, focus on CryptoBlock removal. Reimage ensures the complete elimination.

CryptoLocker serves as the source of inspiration for many crooks. While some succeed in making a powerful copy, others‘ creations get quickly terminated by virus researchers. However, such surge of this type of viruses only sparks more worries for the entire virtual community. Some explain such activity as the result of ransomware-as-a-service distribution [2]. In the case, of CryptoBlock ransomware, its key vitality lies in employing RSA-2048 asymmetric algorithm [3]. Like CryptoLocker, the current malware also exploits Command & Control server. Here you can take a look at the portion of ransomware message:

Your personal files are encrypted!
First of all, please do not remove this tool because if you delete it, you will never be able to restore your files again you can quickly remove this tool, but your files will be lost forever. If you want your files back do these steps 1-register a bitcoin account 2-buy bitcoin for yourself 3- send the exactly amount of bitcoin that tool show you, to our wallet. 4- Click the blue button after you send the bitcoin to our wallet. You will receive decryption code as soon as possible (1-3 hours later after purchase).

In order to exert more psychological stress on its victims, the virus sets a time limit for paying the ransom. Every 12 hours, if the gearheads do not receive the money, the size of ransom doubles. In overall, 24 hours are given for transmitting the payment. Otherwise, the files are deleted. At the moment, CryptoBlock malware demands quite a small amount of money – approximately 240 USD (0,3 BTC). Though some companies and users transfer the money, there are few reports whether crooks return the files [4]. Speaking of the file extension pattern, it does not attach any specific one but changes the file name and its format into a set of random numbers. Likewise, you should remove CryptoBlock instead of nurturing hopes about file recovery.

The image of CryptoBlock ransomware

When did the ransomware invade my device?

Most likely, CryptoBlock hijack took place either after opening an infected spam email or visiting the domains full of exploit kits. In addition, Adobe flash plug-ins still remain a common tool for crooks to transfer ominous content to your device [5]. In the first case, you might avoid encountering file-encrypting malware if you restrain from opening spam emails. Keep in mind that crooks have mastered ways how to counterfeit emails so that they would look like an email sent from Office of Personnel Management or eBay. Usually, the crooks disguise ransomware in fake invoices and delivery messages. In order to protect your system from trojans and exploit kits, install an anti-spyware application.

Eliminating CryptoBlock: mission possible?

When it comes to crypto-malware, we recommend combining anti-virus utility with security applications such as Reimage or Malwarebytes Anti Malware. They are more apt in detecting such threats as exploit kits or trojans which disperse ransomware. Either of this tool finishes CryptoBlock removal within a couple of minutes. Only when the threat is fully eradicated, you can proceed to file-recovery. If you cannot remove CryptoBlock due to some non-responding errors, feel free to use the following instructions.

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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 CryptoBlock 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.
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Manual CryptoBlock virus Removal Guide:

Remove CryptoBlock using Safe Mode with Networking

  • 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 CryptoBlock

    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 CryptoBlock removal.

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

Remove CryptoBlock using System Restore

  • 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 CryptoBlock. 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 CryptoBlock removal is performed successfully.

Bonus: Recover your data

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

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

Data Recovery Pro solution

This program might be a practical tool for Crypto Block victims to retrieve the locked files. Additionally, it comes in handy when locating missing and damaged files.

The benefit of ShadowExplorer

Windows OS automatically creates shadow volume copies of your files. This program retrieves them and recreates your files according to these patterns.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

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

About the author

Julie Splinters - Malware removal specialist

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