Can a Data Recovery Lab Get Your Files Back After Ransomware?

Written and maintained by the Desert Data Recovery lab team. · Updated July 17, 2026

We're a data recovery lab, not a ransomware negotiation firm — so we'll give you the version most people won't. In the vast majority of cases, no one can "decrypt" current ransomware without the attacker's key, and you should be deeply skeptical of anyone who claims otherwise. But that isn't the end of the story: there are several honest routes to getting data back that have nothing to do with breaking the encryption, and knowing them — before you touch the machine — is what decides whether they're still available.

Why the encryption itself can't just be broken

Modern ransomware uses the same strong encryption that protects banks and governments — typically AES to lock the files, with an RSA key pair controlling access. Without the private key the attacker holds, the encrypted files are mathematically infeasible to open. There's no clever tool, no lab, and no amount of computing power that brute-forces a properly implemented modern cipher in any human timeframe. This is the part the honest labs and the dishonest ones part ways on: a company guaranteeing it can decrypt a current strain is almost always planning to quietly pay the ransom and bill you a markup, or it simply isn't telling you the truth. It's the same hard limit we're honest about with self-encrypting drives and Apple's hardware encryption: without the key, strong encryption does exactly what it's designed to do.

What actually can get your data back

Here's the part that gets buried. Recovery after ransomware usually isn't about the encryption at all — it's about finding a copy the malware didn't successfully destroy. The realistic routes:

• Deleted originals. A lot of ransomware works by encrypting a copy of each file and deleting the original. Deletion doesn't erase data immediately — so those original, unencrypted files can sometimes be recovered, exactly like any other deleted-file recovery, as long as they haven't been overwritten. This is the single biggest reason not to keep using the machine.
• Shadow copies and on-disk backups. Some strains try to wipe Windows shadow copies, but not all succeed, and local backup files are sometimes missed. When they survive, they're a clean route back.
• Free, legitimate decryptors. For certain older, retired, or flawed ransomware families, security researchers have already released free decryption tools (the No More Ransom project is the well-known clearinghouse). Identifying the exact strain tells you whether you're one of the lucky ones. We can help identify it — but no honest lab will pretend a free decryptor exists for a strain where it doesn't.
• Hardware recovery of a hit device that also failed. Ransomware and hardware failure aren't mutually exclusive — we see drives and NAS units that got encrypted and then died, or that were physically failing already. Preserving the raw contents of a dead device is exactly what a recovery lab does.

Where a recovery lab fits — and where it doesn't

It's worth being clear about lanes, because it saves you time and money. A hardware data recovery lab is the right call when there's a physical device to recover from — a failed NAS, a dead drive, or a machine where deleted originals might still be pulled. It is not a ransomware negotiator, an incident-response firm, or a cyber-insurance contact. If this is a business breach with a live intrusion, regulatory exposure, or a network still under attack, you also want a security/incident-response professional and, in many cases, law enforcement. We'll tell you honestly when your situation calls for them rather than us.

What not to do

1. Don't reformat or reinstall the OS hoping to "clean" the machine. That overwrites the deleted originals and shadow copies that are often your best route back.
2. Don't keep working on the affected device. Every write reduces what's recoverable.
3. Don't pay before checking recoverability. Payment never guarantees a working key, and the data may be recoverable another way. Confirm first.
4. Don't delete the ransom note or the encrypted files. They're needed to identify the strain and to run any legitimate decryptor that may exist.
5. Don't trust "guaranteed decryption" promises. For a current strain, that guarantee is a red flag, not a reassurance.

The only real protection is a backup ransomware can't reach

Every honest conversation about ransomware ends in the same place: the reliable way to beat it is a backup it can never touch. Ransomware spreads to anything it can write to — connected drives, network shares, and often cloud folders that sync automatically. The copy that saves you is the one that's offline or immutable: physically disconnected, or write-protected so it can't be encrypted or deleted. That's the real value of the 3-2-1 backup approach — keep at least one copy offline, and a ransomware attack becomes an inconvenience instead of a catastrophe.

If you're dealing with an attack right now and there's a device involved — a failed NAS, a dead drive, or a machine you're hoping still holds recoverable originals — we're happy to take a look and tell you honestly what's possible. Serving the Valley and all of Arizona from our Phoenix-area lab, with secure mail-in from anywhere.