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

removal by Jake Doevan - - | Type: Ransomware
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Kangaroo ransomware hops in and encodes your important data

IT experts suspect Kangaroo virus to be the new version of Apocalypse ransomware. This file-encrypting virus employs AES encryption code and encrypts various files on the affected computer. After the encoding process is complete, it opens up a ransom message where racketeers inform about the attack and instruct victims on the following actions. Besides, it creates ransom notes in .txt format and drops them near every encoded file. The name of the ransom note is modified by appending encrypted file’s name. Therefore, a ransom note originally named Instructions_Data_Recovery.txt becomes example.doc.Instructions_Data_Recovery.txt. Even though Kangaroo ransomware floods your computer with ransom notes, they all include the same information as a pop-up message. Hackers try to convince users that they have to purchase a particular data decryption tool because only it can help to restore corrupted files. However, you should not let cyber criminals persuade you into paying the money. File-encrypting viruses are created for blackmailing people, so crooks might not help you to decrypt files, provide broken or infected software and they might disappear to create more malware with the help of your payment. After the attack, initiate Kangaroo removal without any hesitation. Ransomware might open the backdoor for other malware, try to steal your personal information and damage your computer.

The picture of the ransom note delivered by Kangaroo virus

To all encrypted files Kangaroo malware appends .crypted_file file extension and drops the ransom note. Hackers start the message with saying that “Windows has encountered a critical problem”; however, we can assure that there’s no problem. It’s just another tactic to scare computer users and encourage them to pay the ransom. The ransom note includes unique Personal Identification ID, and victims have to send it to cyber criminals via kangarooencryption@mail.ru email. Later, they will receive instructions how to purchase Kangaroo Decryption Software and, probably, the size of the ransom. Hackers do not reveal how much money they want from the victims. Compared to other ransomware, the creators of Kangaroo virus might ask from 1 to 3 Bitcoins that equals to 700-2000 USD. However, we want to discourage you from contacting criminals and transferring money. Malware researchers have already cracked the code of Apocalypse ransomware, the previous version of Kangaroo, and created a free decryption tool. Therefore, chances that free decryption software will be developed soon are pretty high. Besides, if you have data backups, you should not worry about file decryption. You have to remove Kangaroo from the computer with the help of Reimage and after elimination, plugin external device and copy necessary data from backups to your PC.

Update November 2016: Kangaroo tries to lock users out from Windows OS

It seems that encrypting data is not enough. The developers of this malware intend to multiply the damage inflicted by the ransomware by modifying the settings in the registry and drive users out of their Windows systems. Interestingly, that there has been a tendency among ransomware developers to enhance new viruses with additional features, particular screen locking characteristics. Speaking of this ransomware, it ends the processes of Explorer which disables you to open Task Manager. In short, you cannot access your device properly: the only thing you can see the locked screen and the message about encrypted files. The virus manages to do so by modifying some essential registry keys and injecting its own – HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon “LegalNoticeText”. Luckily, you can exit this Kangaroo screenlocker window by entering Safe Mode or pressing Alt+F4 altogether.

When does the ransomware infect systems?

Interestingly, but Kangaroo ransomware is not distributed via exploit kits, spam messages and other malware. As a matter of fact, it is downloaded directly to your computer via Remote Desktop applications. Once cyber criminals hack the system, they locate your IP identification and encryption codes. Likewise, they infiltrate the system. Later on, the malware initiates the encryption process. Another peculiar feature of Kangaroo hijack is that it generates a different ransom note for each corrupted file. That is why it is crucial to update your security as well as system programs daily to reduce the number of vulnerabilities which later one might facilitate the ransomware. Note that other variations of the malware might attack devices via spam messages. In this regard, do not rush opening seemingly official spam attachments as they might hide the binaries of file-encrypting malware.

Efficient Kangaroo elimination guide

To remove Kangaroo from the system, you have to employ strong and professional anti-malware software. If your computer is protected with free or weak antivirus software, it won’t be able to wipe out the malware. We recommend installing one of these programs: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. If the virus prevents from installing or accessing malware removal tool, follow our step-by-step guide. Keep in mind that any antivirus program cannot recover encrypted files. After Kangaroo removal you can restore your files from backups or use additional data recovery methods that are presented below.

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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 Kangaroo 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 Kangaroo virus Removal Guide:

Remove Kangaroo 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.

  • 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 Kangaroo

    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 Kangaroo removal.

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

Remove Kangaroo 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 Kangaroo. 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 Kangaroo removal is performed successfully.

Bonus: Recover your data

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

Cyber criminals might use various psychological terror techniques to scare computer users and encourage them to pay the ransom. However, do not give and do not consider paying the money! Once you wipe out Kangaroo virus from the system, you can restore files using data backups by simply plugging an external device to the PC and copying necessary files. If you do not have backups, try additional methods that are provided below.

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

Retrieve files using Data Recovery Pro

Follow the instructions below and use Data Recovery Pro tool to decrypt your files. It might not restore all of your files, but some of them will be rescued.

Retrieve files using Windows Previous Versions feature

If you had enabled System Restore function before Kangaroo virus attacked your PC, you can use this data recovery method. If this function hasn’t been enabled on your computer, this technique won’t work for you.

  • 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”.

Retrieve files using ShadowExplorer

If malware hasn’t deleted Shadow Volume Copies on your PC, you can use ShadowExplorer to find them and restore some of your files.

  • 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 Kangaroo and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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  • Kangaroo lover

    Why did they use the name of my favorite animal to create this horrible virus?!

  • Rita

    Please, create a free decryption tool soon!

  • Johnny

    I managed to catch this computer infection, but thanks to Reimage I am free now. Well, some of my files are lost, but its only my fault that I do not backup.