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

removal by Lucia Danes - - | Type: Ransomware
12

Katafrack threatens users into paying the ransom

Ransom notes by Katafrack ransomware

Katafrack is an updated[1] variant of Ordinal ransomware. Malware is based on HiddenTear open source project and uses AES-256 cryptography to corrupt files on the targeted system. Once the destructive task is over, crypto-virus provides data recovery instructions in the “READ-ME-the TO-the GET-YOUR-FILES-BACK.txt” file.

The text file includes a short message about the unpleasant situation and informs what victims have to transfer 0.02 Bitcoins and send unique ID number to OrdinalScale@protonmail.com email address:

Your files is have Been encrypted by ransomware Ordinal
Below is the information you will of your Up Need to decrypt the files is
of After That, you'll the BE Able to see your beloved files is again.
Email: OrdinalScale@protonmail.com
The BTC the Address: [xxx]
the ETH the Address [xxx]
the Amount of Post Send the To: 0.02 The BTC
Identification: [xxx]

Additionally, Katafrack virus delivers one of two lock-screen messages. Ransomware might shoe either green or red windows with identical information. Crooks promise to respond within 12-24 hours and send decryption program with a specific key which is said to be deleted within 7 days since the attack. However, security experts warn that it might never happen.

There are numerous cases when ransomware developers did not keep their word and left people without encrypted files. Therefore, victims of the Katafrack ransomware are suggested remain calm and do not pay attention to crooks’ threats.

Even though they tell not to remove Katafrack from the system or try alternative recovery methods, that’s exactly what you should do. The virus makes critical changes to the system and makes it vulnerable. Thus, you won’t be able to use the computer without criminals breathing behind your back.

Therefore, we highly recommend terminating this malicious program from the device using Reimage or another anti-malware program. Please do not try to perform manual Katafrack removal because it is most likely to end up with a damaged system. Ransomware injects malicious code into legit processes and might modify Registry, so only reputable tools can clean the PC without damaging it.

Things to know about ransomware distribution

The file-encrypting virus spreads via malicious spam emails and their attachments,[2] malicious ads, fake updates and downloads. Thus, you should watch out your downloads and clicks. Before making a move, always make sure that content is safe.

Additionally, ransomware can take advantage of weak RDP configuration, outdated software and unpatched systems. Thus, using up-to-date programs and keeping antivirus installed should minimize the risk of the cyber attack.

However, security experts from Bedynet.ru[3] warn that crypto-viruses are sneaky and might manage to find a way to users’ computers. Thus, keeping backups is a must to prevent important data loss.

Removal of the Katafrack malware

As we have mentioned before, you should not try to locate and terminate ransomware-related entries from the computer. It’s a complicated cyber threat that should be treated properly. For this reason, you have to remove Katafrack with a security program, for instance, Reimage or Malwarebytes Anti Malware.

However, malware might be designed to block antivirus activity. Thus, you should disable the virus first. The guide below will show you two methods how to do it and run automatic Katafrack removal successfully. Additionally, you will find data recovery suggestions that might help to get back some of the files.

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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 Katafrack 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 Katafrack virus Removal Guide:

Remove Katafrack using Safe Mode with Networking

It's one of the methods that help to disable the virus in order to run automatic elimination:

  • 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 Katafrack

    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 Katafrack removal.

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

Remove Katafrack using System Restore

If the previous method did not work, please try the second one:

  • 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 Katafrack. 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 Katafrack removal is performed successfully.

Bonus: Recover your data

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

Data Recovery Pro might help to restore files

This tool is created for helping people to recover corrupted or deleted files. However, sometimes it helps to restore files after the ransomware attack.

Acces the most important files with Windows Previous Versions feature

This Windows feature allows accessing files before Katafrack attack. However, system restore had to be enabled before the attack.

  • 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 can help to restore files from Shadow Volume Copies

If you are lucky enough and ransomware did not delete Shadow Volume Copies, this tool can help you a lot:

  • 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.

Katafrack decryptor is not available yet

However, the virus is based on HiddenTear, so you can try its decryptors as well: Decrypter No 1 and Decrypter No 2

 

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

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References