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

removal by Linas Kiguolis - - | Type: Ransomware
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Virtual extortion tool – Fatboy ransomware is being sold on Russian Hacking Forum

Fatboy virus is a malicious ransomware-type program that renders victim’s files useless, adds .crypted file extensions to their filenames and then demands a ransom. The virus first emerged in March 2017 and security researchers dubbed it as PyCL ransomware. The malware uses AES-256 cipher and individual keys to encrypt all files on the target system, and then encrypts those keys with an RSA-2048 cipher. After completing this procedure, it creates a folder called How_Decrypt_My_Files in C\Users\AppData\Roaming directory. Here, it stores these files: index.html, pay_creditcard.html, read_me.txt and send_btc.html. On the desktop, the virus creates a ransom note called How Decrypt My Files. The file contains instructions on how to recover encrypted files. Obviously, the attackers seek to swindle money from the victim; therefore they ask to pay a ransom. To skyrocket their earnings, cybercriminals decided to launch an affiliate system for those interested in making money using this virtual extortion tool. Authors currently advertise Fatboy ransomware on Russian Hacking Forums[1], which means that the virus falls into Ransomware-as-a-Service category[2].

Fatboy ransomware

The new virus comes with a set of features that were described in the aforementioned hacking forum. The ransomware is written in C++ programming language and works on all Windows operating systems, both x86/x64. It comes with a pre-installed language pack that contains 12 different languages as well. What makes this piece of malware stand out the most is that it sets the ransom price based on victim’s geolocation. The ransomware first check’s victim’s IP address, detects which country the IP is assigned to, and then uses the so-called Big Mac Index[3] to calculate the ransom price for the victim. The malware launches a lengthy HTML ransom note via victim’s web browser, which explains that paying the ransom is the only data recovery option and that attempts to recover data using third-party tools can permanently corrupt them. It suggests copying and saving the provided Bitcoin wallet address, then purchasing Bitcoins with a credit card or PayPal, and finally transferring the sum to the provided Bitcoin address. According to the cybercriminal, the malicious program automatically detects if the payment was completed and decrypts all files. However, if such virus attacked your computer, we suggest you remove Fatboy virus first. Keeping it on your system won’t do any good to your computer and simply increases the risk of infecting the system with even more malware. Besides, you get no guarantees that files will be restored after paying up. You should ask yourself if you’re willing to pay a huge amount of money to cyber criminals just to expect them to help you. We suggest you use your money for better purposes and start thinking about Fatboy ransomware removal options instead. You should delete the virus using a powerful anti-malware software, and our team suggests using Reimage software.

Ransomware authors suggest taking part in a partnership for the monetization of ransomware downloads

Fatboy ransomware authors decided to invite other cybercriminals to join the organized crime group and distribute the ransomware more effectively. The potential buyers of the ransomware get access to a special partner panel that provides detailed information about affected computers and payments received. It is believed that cybercriminals choose mail spam as the main attack vector. Therefore, we advise computer users to take certain protection measures to avoid accidentally installing ransomware. The virus is likely to come in an email message that looks entirely trustworthy, because the attackers tend to compose convincing ones. Such emails typically have one attachment that is designed to look as a document. No matter if it is an invoice or subpoena, do not open it unless you are sure that the sender is a trustworthy individual/company.

Remove Fatboy virus right now

Look no further if you seek to remove Fatboy virus from your computer. We have prepared comprehensive instructions for those who want to eliminate the ransomware without a computer technician’s help. You need to disable the virus by starting your computer in a Safe Mode, and then launch the malware removal tool. Remember that attempts to launch security software in normal mode might result in failure. Be very careful, and read the provided Fatboy ransomware removal tutorial before you take any actions.

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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 Fatboy 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 Fatboy virus Removal Guide:

Remove Fatboy 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.

Reboot your PC and then run anti-malware software to delete Fatboy virus.

  • 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 Fatboy

    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 Fatboy removal.

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

Remove Fatboy using System Restore

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

  • 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 Fatboy. 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 Fatboy removal is performed successfully.

Bonus: Recover your data

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

At the moment, there is no tool to restore encrypted files, however, we have some useful tips on how to recover your data. Please proceed reading further.

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

Recover files: use Data Recovery Pro

Data Recovery Pro is a software that can help you to recover encrypted files. Run it to see if it can recover some of your files.

Windows Previous Versions: restore using System Restore Point

Have a system restore point? If so, follow these steps.

  • 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”.

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

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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