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Remove Marozka ransomware (Removal Guide) - Decryption Methods Included

removal by Jake Doevan - - | Type: Ransomware

Marozka ransomware is a cryptovirus that was developed by English and Russian hackers as stated in the ransom note

Marozka ransomwareMarozka cryptovirus is the HiddenTear ransomware that marks files with .Marozka extension when they get encrypted and locked. The encryption is based on an army-grade algorithm, in this case, AES-256. The process focuses on changing the original code of selected files and marking them using a specific file marker .Marozka. Then, the ransom note can be generated and added to every folder alongside encrypted files. HOW TO DECRYPT FILES.txt delivers a ransom message and provides the link for Marozka-decryptor. Once visited, the window states that the amount of ransom is $100 in Bitcoin. Besides this message, the virus also changes the Desktop wallpaper, and the displayed image also says ” Your files were encrypted.” These crypto-extortionists give 24 hours for victims to pay for the alleged decryption. But there is little possibility that virus developers recover encrypted files after the payment, even when the victim is a big company.[1]

Name Marozka ransomware
Type Cryptovirus
Based on HiddenTear
Associated files Marozka.exe; Marozka.jpg
File marker .Marozka
Encryption method AES-256
Symptoms Makes files locked, unreachable. Disable security functions, adds other files on the system, changes system settings, registry entries, desktop wallpaper
Ransom note HOW TO DECRYPT FILES.txt
Elimination Get Reimage for Marozka ransomware removal

According to Marozka ransomware virus developers, files encrypted by this threat cannot be opened without paying the ransom. Data becomes useless when the code gets changed with the help of encryption algorithm.[2] 

Then Marozka ransomware ransom note is displayed on the desktop as the wallpaper and instructs victims to read the text file named HOW TO DECRYPT FILES.txt. The message in this file reads the following:

All your information (documents, databases, backups and other files) this computer was encrypted using the most cryptographic algorithms.
All encrypted files are formatted .Marozka.
This form files ‘.Marozka’ is a joint development ENGLISH and RUSSIAN Hackers.
You can only recover files using a decryptor and password, which, in turn, only we know.
It is impossible to pick it up.
Reinstalling the OS will not change anything.
No system administrator in the world can solve this problem without knowing the password
In no case do not modify the files! But if you want, then make a backup.
Drop us an email at the address silena.berillo@gmail.com
if within 12 hours you do not respond to hto2018@yandex.ru for further insertions
You have 24 hours left. If they are not decrypted then after 24 hours they will be removed!!!
You can also decrypt files automatically on our website
https://proverka.host

Marozka ransomware provides a website where the payment methods get listed, and the Marozka-Decryptor is displayed. Cybercriminals offer to buy a decoder there and give 24 hours for the victim to contact them or straight up pay the ransom. 

When Marozka ransomware gets on the system, it adds various files to Desktop, User_folders, and similar directories. It also installs Marozka.jpg and Marozka.exe on the system to ensure the persistence of this malicious product and this way runs on the machine uninterrupted.

Marozka ransomware virus
Marozka ransomware is the cryptovirus that locks users files and marks them with .Marozka appendix. Immediately after that, $100 get demanded.

Based on all these facts, you should immediately consider Marozka ransomware removal. There is no advice for manual malware elimination because experts[3] always note how important it is to clean the system with proper tools when ransomware affects the machine.

You can remove Marozka ransomware by scanning the machine with an anti-malware program like Reimage. These tools check the computer and indicate malicious or dangerous programs. Remember that different AVs use different databases, but scan results may look like this:

  • Trojan.Win32.Generic.4!c
  • HEUR/AGEN.1022240
  • Ransom.HiddenTear
  • Trojan.Win32.Encoder.fopyip
  • Win32.Trojan.Generic.Beb
  • etc.[4]

Fake documents and files distribute payload droppers

Ransomware can be spread by hacking through an unprotected RDP, email spam campaigns with malicious attachments or fraudulent downloads. This is the type of cyber infection that can also be delivered with the help of botnets, exploit kits and infected updates or installers.

However, in most cases, all of them involve maliciously infected files. Microsoft Word, Excel or PDF files get distributed with macro virus content and delivers direct ransomware payload on the targeted system or even infect the machine with trojan or worm which is designed to spread cryptovirus around the internet.

Marozka ransomware termination process should involve professional tools

When the computer got infected with Marozka ransomware virus, it is possible that various programs and features got disabled or even added. When there is files or applications associated with this malware, the computer cannot be safely used.

Automatic Marozka ransomware removal is the way to go because all malicious or possibly dangerous, corrupted, files get indicated and can be deleted from your PC. When the system is clean and safe, you can use the machine again without the risk of getting data permanently damaged.

To remove Marozka ransomware and clean the virus damage, install Reimage, SpyHunter 5Combo Cleaner, or Malwarebytes and scan the system fully. Then follow the suggested steps and eliminate all possible threats from the machine.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter 5.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Marozka virus, follow these steps:

Remove Marozka using Safe Mode with Networking

Marozka ransomware removal can be achieved with the help of Safe Mode. You should reboot the PC in Safe Mode with Networking to ensure the best results:

  • 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 Marozka

    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 Marozka removal.

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

Remove Marozka using System Restore

System Restore feature allows recovering the device to a previous point

  • 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 Marozka. 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 Marozka removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Marozka 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 Marozka, you can use several methods to restore them:

Data Recovery Pro is one of the methods that can be considered as alternatives for file backups

Encrypted or accidentally deleted files can be restored with this program. So remove Marozka ransomware and try Data Recovery Pro

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Marozka ransomware;
  • Restore them.

Windows Previous Versions – a feature for Windows users

File recovery alternative – Windows Previous Versions can help when System Restore feature gets enabled

  • 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”.

ShadowExplorer is the option when file backups are not available

Shadow Volume Copies need to be untouched for ShadowExplorer to work

  • 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.

Decryption tool for Marozka ransomware is not developed yet

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Marozka and other ransomwares, use a reputable anti-spyware, such as Reimage, SpyHunter 5Combo Cleaner or Malwarebytes

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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