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Cypher ransomware. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Ransomware

Cypher – a ransomware virus that locks important files on the affected machine

Image of Cypher ransomware

Cypher ransomware is a file-encrypting virus that was detected in the middle of February 2018. The malicious program uses a strong encryption algorithm and locks files with .cypher file extension to prevent users from accessing their documents, audio or video files, databases and similar information.

According to the latest research data, Cypher seems to be a new version of Shifr ransomware virus that was discovered in July 2017. However, apart from encrypting files, the malware also operates as a free ransomware-as-a-service (RaaS).[1]

The Cypher virus can enter the system using multiple methods. However, typically infiltration requires user’s participation to install malicious payload on the system. Once executed, malware connects to its C&C server, downloads necessary files and makes significant changes to the system before launching data encryption process.

Cypher modifies Windows Registry to boot with system startup and perform its harmful activities. It’s unknown whether malware can delete Shadow Volume Copies or not. Therefore, there’s a chance to recover files without paying the ransom.

Cypher ransomware targets the most popular file types to cause bigger damage to the victim and encourage him or her to pay the ransom. The ransom-demanding instructions are dropped on the computer’s desktop soon as all files are given .cypher extension.

In the HOW_TO_DECRYPT_FILES.html, cyber criminal provide a link to the TOR website where victims are asked to pay 0.01 Bitcoin in order to use Cypher decryptor. According to the ransom note, after the payment, people can download the decrypter.exe file and recover their files.

However, security specialists warn that spending the money on this program might lead to severe problems. First of all, the decrypter might not work. Secondly, you might install more malware on the system instead of recovery tool.

Instead of risking to lose the money after the attack, you should remove Cypher from your machine and recover your files from backups. If you are one of the users who does not back up, we suggest trying to recover files with third-party software (our recommendations are given below).

Ransomware is complex and hard to detect cyber threat. Thus, for Cypher removal, you have to use a powerful malware removal software to clean your PC. We highly recommend using Reimage because this tool not only cleans but fixes computer after the malware attack.

Authors of ransomware might use a couple of methods to spread ransomware virus

Security specialists from avirus.hu[2] state that user’s participation is usually required in ransomware’s infiltration. The malicious program is often presented as an important email attachment, software installer or update. Hence, you should be aware of these distribution methods:

  • malicious spam email attachments that inform about parcel delivery problems, received statements or provide other important details;
  • malware-laden ads that often provide great (but fake!) shopping offers, software updates or downloads;
  • bogus software updates;
  • illegal software downloads;
  • RDP attacks;[3]
  • exploit kits.

To protect yourself from losing files to a file-encrypting virus, it’s not enough to install a robust antivirus. Taking other security measures is also important because even the best security tool cannot fully protect you.

Chances to catch ransomware infection decrease when you keep your software and operating system updated, avoid visiting questionable websites and do not download questionable software from torrents and other shady places.

Removal of the Cypher ransomware virus

You should start Cypher removal by rebooting the affected computer to Safe Mode with Networking. It helps to disable the virus and run security software. Usually, crypto-malware is designed to prevent installation of security software or blocks its operation.

When in Safe Mode, install Reimage, Plumbytes Anti-MalwareMalwarebytes Malwarebytes or your preferred security tool, update it and run a full system scan. We recommend scanning the computer a couple of times to make sure that all malicious components are wiped out entirely. Then you can safely recover your files from backups or try our suggested alternative methods below.

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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.
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Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
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 Cypher virus, follow these steps:

Remove Cypher using Safe Mode with Networking

These steps will help you to run automatic ransomware removal:

  • 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 Cypher

    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 Cypher removal.

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

Remove Cypher using System Restore

This method can also help to disable the virus and run automatic removal with security software:

  • 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 Cypher. 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 Cypher removal is performed successfully.

Bonus: Recover your data

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

Take advantage of Data Recovery Pro

After Cypher ransomware removal, you can try Data Recovery Pro to restore some of the encrypted files. It's not an official decryptor but might help to recover some of the files.

  • 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 Cypher ransomware;
  • Restore them.

Windows Previous Versions might be helpful option

You can try Windows Previous Versions feature to restore individual files if System Restore was enabled before ransomware 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 recovers files from Shadow Volume Copies

If ransomware did not delete shadow copies of the files, you can restore some of the .cypher files with 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.

Cypher decryptor is not available yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cypher and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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References