How to Restore Files Encrypted by Ransomware (Without Decrypter)

How to Restore Files Encrypted by Ransomware (Without Decrypter)

We have created this instructive article to best explain the current options that you as a victim have to restore your files in case you do not wish to pay ransom to cyber-criminals.

Ransomware viruses have been around for quite some time and with most of them now decryptable the developers of viruses have “learnt” their lesson and have created a much stronger encryption scripts than before. So with ransomware evolving, the common user does not really have the capability or the know-how on how he or she can fight back to this menace and get the files back without having to go through the painstaking process of paying BitCoins. This is why, we as a security blog with extensive experience in how such viruses encrypt your files have decided to go over the main methods that you can use to restore your encrypted files in the event that there is no decryptor that is officially working for the virus at hand.

How Do Ransomware Viruses Encrypt Files?

By default, encryption can be explained as “The process of encoding information so that only parties with access to it can read it.”, according to it.ucsf.edu. This basically means that the virus infects your computer after which runs a set of processes which create a copy of the original file and this copy has parts of data replaces with data from the encryption algorithm used (RSA, AES, etc.). The original file is then deleted and the virus leaves the file to appear as if it is corrupt. After the encryption is complete the ransomware generates a decryption key, which can be either Private(symmetric) or public. The trend nowadays is for ransomware viruses to use a combination of both, making the direct decryption even more impossible than it was before, unless you have a decryption software which is again, coded by the ransomware authors. For more information on how encryption exactly works, you can check the related article underneath:

Related: Ransomware Encryption Explained – Why Is It So Effective?

Before you start to recover files, be advised that for some methods to work, you will need to remove the ransomware virus from your computer beforehand. We recommend using an advanced anti-malware software for the removal process, since it is capable to fully and swiftly detect all malicious files and secure your computer by removing them and providing active protection against all possible threats, known at the moment.

How to Get Encrypted Files to Work (Alternative Ways)?

So, having briefly explained what has happened to your files, let us now discuss what you can do to get them to work again. In this article we have done our research to best provide you with instructions on the different alternative tools that you can use to get the files back. Do not consider the methods underneath a 100% solution, but rather something that you can try and it may or may not work. To install some hope in you recovering your files, however, I will say that depending on the virus and the situation, we have received feedback from ransomware victims who used those methods to restore some of their files and users who were able to restore absolutely every file that was encrypted successfully. Oh yes, and before you start readin about those tools and methods, be advised to read the decription of each method as we have explained where it can be used with maximum effectiveness, since this method is likely to be appropriate for your specific situation. Let us start!

Method 1 - Restore Files via Data Recovery Software
Method 2 - Restore Files via Windows Backup
Method 3 - Restore Files by Using Shadow Explorer (Shadow Copies)
Method 4 - Restore Files by Plugging Your Hard Drive to Another Computer
Method 5 - Restore Files by Using a Network Sniffer
Method 6 - Restore Files by Using Decrypters for Other Ransomware Viruses

Vencislav Krustev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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