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Cry9 ransomware virus. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware
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Portuguese users should be aware of the Cry9 ransomware

Cry9 ransomware virus aims at the Portuguese-speaking computer users. This conclusion is based on the ransom note that is dropped on the affected computer’s system. It’s written in Portuguese only. Despite the narrow target field, this crypto-malware behaves like an ordinary file-encrypting virus. It uses AES[1] cipher to secure MS Word, PDF, different picture, video, and audio files, databases, archives, and other popular file types. Following data encryption, the Cry9 virus leaves a ransom note where victims are informed about ransomware attack. The cyber criminals ask to purchase 0.5 Bitcoins from the provided links and transfer them to the provided Bitcoin wallet address. Once the payment is made, victims are supposed to send a picture of the transaction and unique ID number to the juccy@protonmail.ch or using Bitmessage [2]service. It seems that developers leave victims a chance to stay anonymous. Moreover, the letter from the cyber criminals also warns that trying to restore files independently may lead to the data loss. Victims are no longer supposed to wait for the decrypter to restore their files. A well known company Emsisoft and its researcher Fabian Vosar presented this tool to help people fight against this ransomware virus. So, you should not even consider paying to hackers. Remove Cry9 from the device and try safe tools for data recovery.

Ransomware viruses not only encodes a wide range of personal information but also makes the computer vulnerable. As a result, other malware[3] might use these flaws and infiltrate the system too. For this reason, delaying Cry9 removal is not recommended. We firmly recommend installing professional malware removal tool such as Reimage or Malwarebytes Anti Malware and run a full system scan several times. Unfortunately, elimination of the malware does not help to restore corrupted files. For that, you need data backups or additional tools. However, it’s still unknown whether Cry9 ransomware is capable of deleting Shadow Volume Copies or not. If not, data decryption can be successful by using such tools as ShadowExplorer.[4] We want to point out that data recovery is not a primary task after ransomware attack. You should focus on malware removal because trying to decrypt data on the affected computer might lead to another encryption.

What methods are used for the virus distribution?

Developers of the Cry9 virus use various tactics to launch successful infiltration campaigns. Obviously, the primary method to spread a payload is email attachments. People may receive spam emails that urge to open an attached document. Nevertheless, the content of the letter and attachment itself looks reliable; you should check it twice.[5] There might be a typo, grammar or spelling mistakes that will reveal the criminals. Cry9 malware might also infiltrate the system after clicking on a malicious link or malware-laden ad. Thus, never rush to click on a suspicious link that was sent even by your friend. Always make sure that it’s actually safe to open. What is more, if an amazing shopping deal pop-ups when browsing the web, you should not get excited and rush clicking it. It might be a perfectly polished malware-laden ad. Lastly, make sure you install and update programs from the reliable sources because ransomware might pretend to be a useful software.

Instructions for Cry9 virus removal

Previously, we have mentioned that Cry9 removal has to be performed using professional antivirus or malware removal software. However, we haven’t explained why. File-encrypting viruses are complicated and tricky cyber infections. Thus, trying to detect and eliminate malware-related components is not an easy task. Honestly, only experienced IT experts can complete this task without causing damage. If you try to remove Cry9 manually, you can delete crucial system files. Indeed, this kind of computer infections is capable of camouflaging themselves by using the names of legitimate system processes and files. For this reason, we highly recommend choosing one of these tools and perform a system scan: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. If you cannot install or run a system scan, follow our prepared guidelines.

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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 Cry9 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 Cry9 virus Removal Guide:

Remove Cry9 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.

Cry9 malware might be resistant and prevent you from installing or accessing security program. In order to perform automatic virus removal, you need to disable it first. Follow the steps below to reboot your computer to the Safe Mode, and then run a full system scan with your chosen software.

  • 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 Cry9

    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 Cry9 removal.

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

Remove Cry9 using System Restore

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

If the previous method hasn’t helped you to disable the virus, try System Restore method. It is supposed to help to install or access ransomware removal tool.

  • 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 Cry9. 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 Cry9 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Cry9 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

Data backups are the only safe way to restore encrypted files. However, if you do not have them, try additional recovery methods. We cannot assure that all your files will be rescued. But it’s your only choice at the moment.

If your files are encrypted by Cry9, you can use several methods to restore them:

Use Data Recovery Pro to restore files encrypted by Cry9 ransomware virus

This professional software helps to restore corrupted, deleted, and some of the encrypted files automatically. Don’t forget that it’s not a legitimate Cry9 decryptor.

Restore files encrypted by Cry9 virus using Windows Previous Versions feature

If System Restore method has been activated on your computer before ransomware attack, this method is helpful to you. Otherwise, you won’t be able to copy previously saved versions of the encoded files.

  • 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”.

Try ShadowExplorer to restore files encrypted by Cry9 malware

If ransomware failed to delete Shadow Volume Copies, your chances to restore your files are quite high. Follow these steps to use ShadowExplorer:

  • 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.

Use Cry9 decryptor to recover your files

Emsisoft has been helping users to recover their encrypted files for months. Recently, the company presented Cry9 decryter which is available here. To use it properly, you need to have two versions of the same file – encrypted and unencrypted version. 

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cry9 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


  • Adelina

    Thanks for letting us know about this new ransomware. Fingers crossed that it wont attack my PC!

  • Helder

    Oh crap.. It encrypted my files. I do not have data backups and shadow copies are deleted… I wont pay the ransom, but I am so sad that I lost my all pictures….

  • Judite

    My inbox is full of suspicious spam emails. I bet their attachments include Cry9 virus…

  • ppp

    I am going to back up my files. dont want to lose everything!