Danger level:  
  (99/100)

CryptoLocker 5.1 ransomware virus. How to delete? (Removal tutorial)

removal by Julie Splinters - - | Type: Ransomware
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Important information about CryptoLocker 5.1 ransomware virus

CryptoLocker 5.1 virus pretends to be a member of CryptoLocker family by borrowing the well-known virus’ name and file extension. The new file-encrypting virus does not differ from other ransomware viruses; it operates and spreads similarly. When the victim opens an infected email attachment, the virus gets inside and starts encoding lots of different types of files located on the computer. It uses strong RSA-2048 algorithm and appends .locked file extension. When data encryption is over, victims cannot open any of their documents. According to the crooks, corrupted files will remain damaged forever, if victims do not pay the ransom within 48 hours. Cyber criminals beware that computer users are scared of losing their important files, and only a few of them make backup copies regularly. For this reason, many users are willing to pay a huge sum of money for the possibility to recover lost files. If you became a victim of CryptoLocker 5.1 ransomware, we advise you not to pay the money. Chances that they give you a necessary decryption key are small. Usually, hackers disappear after receiving the money, because the primary goal of the ransomware is to swindle money from the computer users. Instead of risking your money, you should remove CryptoLocker 5.1 from your system. Virus elimination does not recover lost files, but after removal, you will be able to use additional methods to decrypt at least some of your data.

The picture of CryptoLocker 5.1 virus

It seems that CryptoLocker 5.1 virus targets Italians mostly because it leaves a ransom note in the Italian language. Once ransomware completes file encryption process, it drops a ransom note called LEGGI.txt and delivers a pop-up window which includes unique ID, timer, and important information about data encryption and decryption. In the pop-up window, hackers explain victims that all their files were encoded and they can get them back only if they pay the ransom. They have to pay €130-250 in two days and contact criminals via provided email address: cryptolocker51@sigaint.org. Within day or two hackers respond with a necessary decryption key. Victims have to hurry up and make the decision quickly because when the time runs out, file decryption key will be deleted and the possibility to recover lost data will be gone forever. Indeed, at the moment there are no free decryption tools available, but we do not recommend paying the ransom. Scan your computer with Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or other anti-malware program and initiate CryptoLocker 5.1 removal. As we already mentioned, hackers might disappear after receiving the money, but the virus stays. Malware makes your computer vulnerable and might let other computer infections get inside. Therefore, it’s important to remove the virus and later think about data recovery.

How does malware spread?

CryptoLocker 5.1 ransomware spreads via malicious email attachments. Cyber criminals launch various persuasive spam email campaigns and trick users to open the attached PDF file. They find numerous reasons to trick users that the document is safe and important. Usually, an infected file is named as invoice, receipt or financial report. It’s hard to believe that bank, financial institution, governmental organisation or other reputable company might send a virus. Unfortunately, nowadays computer users have to doubt everything they see and receive online. Any link, advertisement or email attachment might include CryptoLocker 5.1 malware or another file-encrypting virus. Before opening any email attachment from the unknown sender, double check the information. Hackers might copy even the design of an official website, so you can never be sure if you can trust the sender.

CryptoLocker 5.1 removal suggestions

Ransomware is one of the most hazardous computer infections, so their elimination should be held using powerful and professional tools. For CryptoLocker 5.1 removal we recommend using one of these malware elimination programs: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. It’s only our recommendation; you can always choose other reputable tools. However, the virus might block access to an antivirus program, prevent from scanning computer’s system or installing a new program. Then, you have to reboot the computer to the Safe Mode with Networking and remove CryptoLocker 5.1 by following our instructions bellow.

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Computer security experts recommend using Reimage to uninstall CryptoLocker 5.1 ransomware virus. Reimage scans the entire computer system and checks whether it is infected with spyware/malware or not. If you want to remove computer threats and secure your computer system, you should consider buying the licensed version of Reimage.

You can find more details about this program in Reimage review.

You can find more details about this program in Reimage review.
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Manual CryptoLocker 5.1 Virus Removal Instructions:

Eliminate CryptoLocker 5.1 using Safe Mode with Networking

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

  • Step 1: Restart your computer in Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Safe Mode with Networking from the list Choose 'Safe Mode with Networking' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Networking from the list of options in Startup Settings. Choose 'Enable Safe Mode with Networking' option
  • Step 2: Remove CryptoLocker 5.1

    Sign in to your account and launch any Internet browser. Download a legitimate anti-malware software, for instance, Reimage. Make sure you update it to the latest version and then run a full system scan with it to detect and eliminate all malicious components of the ransomware to remove CryptoLocker 5.1 completely.

If your ransomware does not allow you to access Safe Mode with Networking, please follow the instructions provided below.

Eliminate CryptoLocker 5.1 using System Restore

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

  • Step 1: Restart your computer in Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Command Prompt from the list Choose 'Safe Mode with Command Prompt' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Command Prompt from the list of options in Startup Settings. Choose 'Enable Safe Mode with Command Prompt' option
  • Step 2: Perform a system restore to recover files and settings
    1. When the Command Prompt window appears, type in cd restore and press Enter. Type 'cd restore' without quotes and hit 'Enter'
    2. Then type rstrui.exe and hit Enter.. Type 'rstrui.exe' without quotes and hit 'Enter'
    3. In a new window that shows up, click the Next button and choose a restore point that was created before the infiltration of CryptoLocker 5.1 and then click on the Next button again. When 'System Restore' wizard comes up, click 'Next'. Choose a preferable restore point and click 'Next'
    4. To start system restore, click Yes. Hit 'Yes' and start system restore
    After restoring the computer system to an antecedent date, install and check your computer with Reimage to uncover any remains of CryptoLocker 5.1.

Bonus: Restore your files

Using the tutorial provided above you should be able to eliminate CryptoLocker 5.1 from the infected device. novirus.uk team has also prepared an in-depth data recovery guide which you will also find above.

Virus researchers haven’t manage to crack the code of CryptoLocker 5.1 virus and create a free decryption tool. However, after ransomware attack, you might recover your files from the backup copies. If you have never backed up your files, you have probably learnt your lesson now. Under these circumstances, you can try three additional methods to retrieve lost files. We cannot assure that they will decrypt your files, but we believe you should give them a try.

There are a couple of methods you can apply to recover data encrypted by CryptoLocker 5.1:

Data Recovery Pro and data decryption

Data Recovery Pro tool might be useful to decrypt files after CryptoLocker 5.1 attack. The application was created for locating and restoring missing and corrupted files.

  • Download Data Recovery Pro (https://novirus.uk/download/data-recovery-pro-setup.exe);
  • Install Data Recovery on your computer following the steps indicated in the software’s Setup;
  • Run the program to scan your device for the data encrypted by CryptoLocker 5.1 ransomware;
  • Recover the data.

Windows Previous Version and data recover

If you have enabled System Restore function before ransomware attack, follow the steps bellow and try to recover your files. 

  • Right-click on the encrypted document you want to recover;
  • Click “Properties” and navigate to “Previous versions” tab;
  • In the “Folder versions” section look for the available file copies. Choose the desired version and press “Restore”.

Shadow Explorer and data decoding

If the CryptoLocker 5.1 haven’t deleted Volume Shadow Copies, you might restore some of your files using Shadow Explorer. Follow the steps bellow.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Install Shadow Explorer on your computer following the instructions in the software’s Setup Wizard;
  • Run the program. Navigate to the menu on the top-left corner and select a disk containing your encrypted files. Look through the available folders;
  • When you find the folder you want to recover, right-click it and select “Export”. Also, choose where the recovered data will be stored.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from CryptoLocker 5.1 and other dangerous viruses, you should install and keep a powerful malware removal tool, for instance, Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware.

About the author

Julie Splinters
Julie Splinters

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Source: https://www.2-spyware.com/remove-cryptolocker-5-1-ransomware-virus.html

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