Top 25 Free Ransomware Decryption Tools

Ransomware is one of the biggest cybercrime issues that businesses have to deal with these days. So make sure you check out these 25 free ransomware decryption tools.

Best Free Ransomware Decryption Tools for Businesses

AES_NI

AES_NI is a ransomware decryption tool created by Avast and allows you to decrypt your encrypted data and files, and download them.

Alcatraz Locker

Alcatraz Locker is a very serious ransomware decryption malware that is being used, with an estimated ransom demand of $350. There is a free decryption tool that can be used to reverse this.

Apocalypse

Apocalypse Ransomware encrypts people’s files and holds them hostage, but fortunately, Emsisoft has released a decryptor to counter this.

BadBlock

BadBlock works via system infiltration, and this is something that can cause a lot of chaos in your business. So, you should check out the tool that helps you to remove it from your system as soon as possible.

Bart

The Bart ransomware decryption tool was released for download in 2017, and works for all known samples and iterations.

BigBobRoss

BigBobRoss is one of the main ransomwares that works through Microsoft Windows. Luckily, Emsisoft and Avast have released free decryptors to help with this.

BTCWare

BTCWare is very clever as a ransomware, because of the fact that it attempts to delete shadow copies to make it harder to reduce chances of recovery. Use the free BTCWare removal software to help with this.

Crypt888

Crypt888 also goes by the name Mircop, and works much the same way as regular ransomware. There is a free and simple removal process you should think about using to help with this.

CryptoMix (Offline)

CryptoMix encrypts various different files and places them in encrypted folders, making it very hard to retrieve the data. Use free tools to help you remove this serious ransomware and get your data back.

CrySiS

CrySiS ransomware locks important files and holds them to ransom. There is a new, free decryption tool that has been released by ESET in order to allow you to reverse the impacts of this.

Delta

Delta (AsupQue) ransomware is a program that maliciously encrypts files and can infect your computer in a number of ways. There’s a free, quick and easy way of removing this ransomware as much as possible.

EncrypTile

Avast has released a decryption tool for EncrypTile that can be used to decrypt these files and reverse this encrypted data.

FindZip

Avast is one of the best tools you can use that will help you to reverse and decrypt FindZip ransomware. This is an easy to use Windows application that can be adapted for Mac as well.

Fonix

Fonix is a reasonably new ransomware that has been active since 2020 and is written in C++ using three encryption schemes. The master RSA key for decryption is available for free online.

GandCrab

As one of the most prevalent forms of ransomware, GandCrab even had the FBI release decryption keys free online for it in 2018.

Globe

Using RC4 or Blowfish encryption methods, Globe is a strong ransomware strain, but you can use a free online fix for it here.

HiddenTear

HiddenTear is one of the first and strongest open-source ransomware codes, using AES encryption, but fortunately, there is a free fix that you can use to combat this.

Jigsaw

Jigsaw is ransomware that is named after The Jigsaw Killer from the Saw movies. It is one of the most powerful and serious ransomware programmes on the market, and there is a free online decryption tool you can use online.

LambdaLocker

LambdaLocker is written in Python, and it is a strain that was first observed in 2017. Avast has a free, online decryption tool that can be used to fix LambdaLocker if necessary.

Legion

Legion is common ransomware that is simple yet effective and has been around for about 5 years. You can find a free and effective ransomware decryption tool that can be used to make the most of this moving forward.

NoobCrypt

NoobCrypt uses the AES 256 encryption method to hold your files hostage, and fortunately, this is something that you can reverse with a simple online decryption tool from Avast.

Stampado

Stampado is a mysterious ransomware strain written using AutoIt and found on the dark web. It shares similarities with CryptoLocker, and the free download fix found on Avast.

SZFLocker

This is ransomware that encrypts your files and converts them into Polish. It usually attacks via infected apps and spam emails, and there is an AVG Decryption Tool you can use to reverse this problem.

TeslaCrypt

First spotted in early 2015, TeslaCrypt is ransomware that seizes files and encrypts them. Talos has a decryption tool specific to TeslaCrypt and is free of charge.

Troldesh / Shade

Troldesh/Shade was around first in 2016, and since 2020, its owners have shut down the business and published decryption keys online free of charge.

These are some of the best things that you need to try to make the right decisions with this. You are going to need to protect and improve your company as much as possible, and there are so many factors that can play a part in this. You are going to need to think about some of the best ways of being able to achieve this, and these tools can play a massive role in helping you look after the company.

How Do Ransomware Decryption Tools Work?

Ransomware decryption tools are designed to restore files encrypted by specific ransomware variants when a working decryption method is available. A decryptor typically identifies encrypted files by examining file extensions, encryption patterns, ransom notes, or other characteristics associated with a known ransomware strain. The tool then determines whether the affected files match the ransomware version it supports.

Once it identifies the ransomware, the decryptor may use a recovered encryption key, a weakness in the ransomware’s encryption implementation, or a security flaw to reconstruct the original data. If a valid key or recovery method is available, the tool processes the encrypted files and restores them to their original format. However, decryptors don’t work for every ransomware variant, and successful recovery depends on the specific strain, encryption method, and whether a recovery key is available.

Free Ransomware Recovery Tools for Businesses Without Backups

Businesses without usable backups should first identify the ransomware variant before attempting file recovery. Variant identification helps determine whether a legitimate free ransomware decryptor is available and compatible with the encrypted files. Organizations should preserve copies of affected files, ransom notes, logs, and other evidence before making major changes to compromised systems, as these may support recovery efforts and forensic investigation.

If no compatible decryptor exists, businesses can evaluate other recovery options, such as checking for available system recovery data or consulting professional ransomware recovery and digital forensics specialists. Free tools can recover files only when a known weakness or decryption key is available, so organizations should avoid unverified decryptors that may contain additional malware or damage evidence. Professional recovery services may be appropriate when critical business data cannot be restored through available free tools.

Free Ransomware Decryption Tools for Windows Businesses

Free ransomware decryption tools for Windows can help businesses recover encrypted files if a compatible decryptor exists for the ransomware family involved. Organizations should first identify the ransomware variant and confirm that the tool supports the affected Windows version, file types, and encryption method. System requirements can vary, so businesses should review the decryptor’s documentation and use tools from trusted security vendors or established cybersecurity organizations.

Before running a decryptor, Windows businesses should isolate affected systems, preserve key evidence, and copy encrypted files whenever possible. Test recovery on non-critical copies before processing production data. If the ransomware variant is unsupported or the decryptor cannot recover the files, organizations should consider forensic investigation and professional recovery services rather than repeatedly modifying the affected systems.

Are Free Ransomware Decryptors Safe to Use?

Free ransomware decryptors can be safe when they are obtained from reputable security vendors, established cybersecurity organizations, or trusted incident-response sources. Before downloading, verify the publisher, supported ransomware family, and official documentation. Use only a decryptor that matches the identified ransomware variant.

Businesses should avoid tools from unknown websites, suspicious advertisements, file-sharing platforms, or unsolicited download links. Fake decryptors can contain malware, steal information, or cause additional damage. Checking digital signatures and security reports can help confirm that a recovery tool is legitimate.

Before running a decryptor, isolate affected systems and preserve copies of encrypted files for recovery and forensic analysis. Test the tool on duplicate files before processing important business data. If no trusted decryptor is available, consider professional ransomware recovery or digital forensics assistance.

What Are the Ways to Recover Ransomware-Encrypted Data?

Ransomware-encrypted data can sometimes be recovered using a legitimate decryptor when a compatible ransomware family and a working decryption key or method are available. Organizations can also use recovery tools to restore deleted, damaged, or inaccessible files when appropriate. Before attempting recovery, identify the ransomware variant and preserve copies of affected data.

Offline backups, cloud backups, and system or storage snapshots can provide additional recovery options when they were created before the attack and remain unaffected. Businesses should verify backup integrity and isolate compromised systems before restoring data to prevent reinfection.

When decryptors and backups are unavailable or insufficient, professional incident-response and digital forensics teams can help investigate the attack and evaluate recovery options. They may analyze affected systems, preserve evidence, identify recovery opportunities, and support a controlled restoration process.

Can Ransomware Decryptors Recover All Encrypted Files?

Ransomware decryptors cannot recover every encrypted file. Successful decryption depends on the specific ransomware family, its encryption implementation, and whether security researchers have identified a weakness or obtained a usable decryption key. A decryptor must also support the particular ransomware variant affecting the files.

Even with a compatible decryptor, some files may remain unrecoverable because of corruption, incomplete encryption, or unsupported file types. Businesses should identify the ransomware variant and verify decryptor compatibility before starting recovery.

If no working decryptor is available, organizations can consider offline or cloud backups, system snapshots, and other recovery options. For critical data without usable backups, professional incident response and digital forensics assistance may help identify additional recovery options.

How Do I Use a Ransomware Decryption Tool Safely?

Start by isolating the infected computer or server from the internet and internal network to limit further ransomware activity. Preserve ransom notes, encrypted files, system logs, and other relevant evidence before making significant changes. Create a secure backup or forensic copy of the encrypted data so the original files remain available if the recovery attempt fails.

Next, identify the ransomware family and confirm that the decryptor specifically supports that variant. Download the tool only from a reputable security vendor or trusted cybersecurity organization, and review its documentation, system requirements, and supported file types. Avoid unverified decryptors from unknown websites, as they may contain additional malware or offer an incompatible recovery method.

Before processing business-critical data, test the decryptor on copies of several encrypted files. Check whether the recovered files open correctly and retain their expected content before expanding the recovery process. If the tool cannot decrypt the files or the incident involves critical systems, consider professional incident response and digital forensics assistance to preserve evidence and evaluate alternative recovery options.