What is the Onion Crypt v.3 virus?

Onion Crypt v.3 virus is HiddenTear ransomware that encrypts files, adds the .onion3cry-open-DECRYPTMYFILE file extension to the end of the file name, and downloads a ransom note on Windows Desktop and in every folder it encrypted files in. The ransomware will also show an interface that says “## ALL YOUR WORK AND PERSONAL FILES HAVE BEEN ENCRYPTED ##.”

Onion Crypt v.3

Once the Onion Crypt v.3 virus has encrypted files it will download the ransom note and an image of the ransom note on Windows desktop and in folders it encrypted files in. The Onion Crypt v.3 virus uses the ransom note to explain to victims of the virus what happened to their files and how to purcahse a decryption key and special tool to decrypt files the way that the malware authors want them to. In this case, the malware author suggest to send him an email them for more information and to use bitcoins to pay the ransom. The ransomware program’s interface shows a countdown clock.

Here’s an example of one of the ransom notes used by Onion Crypt v.3 ransomware:

onion3 crypt v.3

## ALL YOUR WORK AND PERSONAL FILES HAVE BEEN ENCRYPTED ##

Our credibility at stake

To decrypt your files you need to buy the special software – Black decryptor

You can find out the details / buy decryptor + key / ask questions by email: onion33544@india.com

How to use bitcoin [link removed]

Unable to decode data without correct decoder   ID – [ID removed]

To recover your data

Contact in up

[countdown clock]

Like most ransomware infections, the Onion Crypt v.3 virus is typically spread by email spam messages that contain malicious .zip or .rar email attachments. Once the attachment is downloaded and executed it will spread the malware across the machine and begin its encryption process.

The instructions on this page explain how to remove Onion Crypt v.3 virus, ransomware, malware, and decrypt files encrypted by Onion Crypt v.3 ransomware. Follow each step below to remove this infection and secure your computer from malicious threats. On the bottom of this guide you will also find recovery and decryption software for various ransomware infections.

Onion Crypt v.3 removal steps

Step 1: Remove Onion Crypt v.3 with Malwarebytes

Step 2: Remove trace files with HitmanPro

Step 3: Clean up and repair issues with CCleaner


File recovery software

Troubleshoot information


1. Remove Onion Crypt v.3 with Malwarebytes


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  1. Open your browser window and download Malwarebytes 3.0 Premium or Malwarebytes Anti-Malware Free.
  2. Open the executable file (mb3-setup.exe) to begin installing Malwarebytes.
  3. Select your language, click Next, then select “I accept the agreement,” click the Next button several times, and then click the Install button to install Malwarebytes. Click Finish once the install process is complete.
  4. Open Malwarebytes and click the Scan Now button on the Dashboard to begin scanning your computer.
  5. Click the Quarantine Selected button once the scan is finished.
  6. If Malwarebytes says “All selected items have been removed successfully. A log file has been saved to the logs folder. Your computer needs to be restarted to complete the removal process. Would you like to restart now?” click the Yes button to restart your computer.

2. Remove trace files with HitmanPro


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  1. Open your browser window and download HitmanPro.
  2. Open the executable file (hitmanpro_x64.exe or hitmanpro_x32.exe) to begin installing HitmanPro.
  3. Click the Next button, check “I accept the terms of the license agreement,” and click the Next button again.
  4. On the Setup page select “Yes, create a copy of HitmanPro so I can regularly scan this computer (recommended)” and add your email address to the registration fields to begin the free trial.
  5. Click Next to begin scanning your computer.
  6. Once the Scan results are displayed click the Next button and click the Next button again on the Removal results page.

3. Clean up and repair issues with CCleaner


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  1. Open your browser window and download CCleaner Professional or CCleaner Free.
  2. Open the executable file (ccsetup.exe or other) to begin installing CCleaner.
  3. Click the Install button to begin stalling the program.
  4. Click Run CCleaner to open the program when installation is complete.
  5. Select the Cleaner tab and click the Analyze button.
  6. When the Analyze process is complete click the Run Cleaner button to clean all files.
  7. Next, select the Registry tab and click the Scan for Issues button to scan for issues in your registry.
  8. When the scan is complete click the Fix selected Issues button and Fix All Selected Issues button to fix the issues.
  9. Next, select the Tools tab and click Startup. Examine each area, search for suspicious entries, and delete any suspicious startup entries by selecting the entry and clicking the Delete button.
  10. Next, click Browser Plugins and search each internet browser for unwanted browser add-ons and extensions. Click the extension you want to delete and click the Delete button to remove it.

File recovery software

NAME DESCRIPTION DOWNLOAD
Shadow Explorer Restores lost or damaged files from Shadow Copies Download (Free)
Photorec Recovers lost files Download (Free)
Recuva Recovers lost files Download (Free) | Buy

Troubleshoot information

Alternative methods are suggested if there are issues removing Onion Crypt v.3 ransomware from an infected computer.

How to Restore your computer

If a restore point has previously been established on your machine you will be able to perform a system restore in order to restore your machine to a date and time before it was infected. You will lose files on your computer that were obtained prior to the restore point.

There are several options to restore your computer. Most computers have their own restore software that can be found by performing a search. Additionally, computers that run the Windows Operating System have a default restore program that can also be found by performing a search.

A boot screen that can be used to access options to restore your computer can be reached by rebooting your computer and pressing the F8 key once the manufacture screen is displayed.

How to Recover your computer to factory settings

A system recovery (or reset) will recover your computer to factory settings. You will lose the current programs and files on your computer.

There are several options to recover your computer to factory settings. Most computers have their own recovery software that can be found by performing a search. Additionally, computers that run the Windows Operating System have a default recovery program that can also be found by performing a search.

A boot screen that can be used to access options to restore your computer can be reached by rebooting your computer and pressing the F8 key once the manufacture screen is displayed.

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