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Questions About How to Decrypt A File

Q1: 'I recently encrypted some of my files in Windows 10 and kept my encryption key in my Documents folder in C drive. I reinstalled Windows OS the other day, and the encryption key was lost due to formatting. Can I decrypt the file without the certificate?'

Q2: 'Unknown viruses encrypted all files and folders on my USB pen drive. I was threatened to pay Bitcoin to recover encrypted files, which I don't want to. I need a way to decrypt encrypted files without a password.'

File & Password Vault. Keep your Photos, videos, audios, Document and Password truly secure. File & password vault acts as a digital safe for your Windows Phone, you can protect your personal files, photos, videos, audios, documents and passwords with this dynamic app. You also have the option to import videos, documents, audio and images from. The customer names should be readable. Remember that the order policy permits the demo app to encrypt and decrypt data using the order encryption key in Vault. Vault UI makes it easy to decrypt the data. In the Secrets tab, select transit orders, and select Key actions. Select Decrypt from the transit actions. On dropbox.com—Click the padlock icon in the top-left corner of your vault. On the Dropbox mobile app—Tap “ ” (ellipsis) in your vault, and then tap Lock Vault. In File Explorer (Windows) or Finder (Mac)—Right-click your vault and click Lock Vault. Your vault’s security measures are in addition to the security measures Dropbox. To improve performance (i.e. Avoid decrypting secrets at runtime), you can decrypt your secrets during deployment to the “local” vault: 1 $ APPRUNTIMEENV = prod php bin/console secrets:decrypt-to-local -force.

In this article, we will provide a full guide about how to decry a file online without a key. And more, if your files encrypted by ransomware, use the robust data recovery tool and get your files back in a click.

Decrypt Old Vault App Files Download

Part 1. How to Decrypt a File Online Without Key/Certificate/Password

You can decrypt a file online without a key if you have the right tool. Advanced Encryption Standard(AES) is a symmetric encryption algorithm. Following is the example of generating an AES encrypted password and decrypt an AES encrypted password.

Part 2. How to Decrypt a File Without Password/Key/Certificate Offline

You can decrypt the files system by unchecking the 'Encrypt Contents to Secure Data' feature. But this only works for the file system, not your specific file. If you want to decrypt files, the certificate or password is indispensable.

If you haven't exported and backed up the file encryption certificate before or if you have forgotten the password, you cannot decrypt encrypted files in the following situations.

• Moving encrypted files to another computer
• Recovering data from an encrypted disk

Suppose that you really need to decrypt files, lots of guides will advise you to try the online decryption tools. However, you need to be aware that these tools are not 100% safe. You may be at risk of data theft or source data corruption.

In addition to this case, where users actively use tools to encrypt, there is another unexpected way of files being encrypted, which is by viruses or ransomware. For example, ransomware encrypts and deletes files. In the next part, we will show you how to use a reliable ransomware encrypted file recovery tool to get back data without paying the ransom.

Here, we show you three helpful ways to recover files deleted or encrypted by ransomware like Locky, CryptoLocker, CryptoWall, and TorrentLocker, without paying.

Part 3. How to Recover Encrypted Files Locked by Ransomware

Since most ransomware encrypts your files and folders by three steps: make an exact copy of files and folders > encrypt the copy > delete the source files. How this works gives you a great opportunity to recover the encrypted files through professional data recovery software.

Here, we highly recommend you try EaseUS Data Recovery Wizard. This virus attack data recovery program enables you to recover files infected by shortcut virus, restore files deleted and encrypted by ransomware like Locky, CryptoLocker, CryptoWall, and TorrentLocker, without paying.

EaseUS Data Recovery Wizard

• Recover lost or deleted files, documents, photos, audio, music, emails effectively
• Recover files from SD card, emptied recycle bin, memory card, flash drive, digital camera, and camcorders
• Support data recovery for sudden deletion, formatting, hard drive corruption, virus attack, system crash under different situations

Now, download this capable data recovery tool and start to recover ransomware encrypted files within three steps. Note that this is just for file recovery of shortcut virus or ransomware, not including those by encryption tools.

Step 1. Select the virus infected drive to scan

Run EaseUS virus file recovery software on your Windows PC.

• If it's an HDD where files were hidden or deleted by virus, it's better to install the software on a different volume or an external USB drive to avoid data overwriting.
• If the infected device is an external hard drive, flash drive or memory card, it doesn't matter to install the software on the local drive of the computer.

Select the correct drive according to its drive letter and click Scan.

Step 2. Wait for the scan results

The software will immediately start a scan process to find your lost files on the virus infected hard drive. Do not stop the deep scan until all lost files show up. To quickly locate the wanted files, you can use the Filter feature to display only the pictures, videos, documents, emails, etc.

When the process finishes, you can double-click files to preview their contents.

Step 3. Select file(s) to recover

Select the files you want and click the Recover. You should save these files to another safe spot on your PC/storage device, not where they were lost.

Part 4. How to Encrypt a File in Windows 10/8/7

Sometimes we tend to protect privacy by using some file encryption tools, such as EFS (Encrypting File System), which provides the core file encryption technology used to store encrypted files on NTFS file system volumes. So only with a certificate can people access the EFS locked files.

Steps to encrypt a file in Windows 10/8/7

Step 1. Find the file or folder you wish to encrypt.

Step 2. Right-click the file/folder and click 'Properties.' Then, click the 'Advanced...' button on the General screen.

Step 3. Check the box 'Encrypt Contents to Secure Data' under the Compress or Encrypt attributes section, then click the 'OK' button.

Step 4. Continuing to click the 'OK' button. An encryption warning box will pop up.

Step 5. Check the 'Encrypt the File Only' box to encrypt the individual file, then click 'OK' to finish.

Note: If you copy unencrypted files to a folder with encrypted property, they will be automatically encrypted.

EFS encryption is transparent. If you encrypt some data, you can access this data without any restriction.

To Sum Up

You can use EFS or Bitlocker to encrypt your files and data. But to avoid losing the password, key, or certificate and not being able to decrypt files, we suggest you back up your encryption certificates and keys to a safe location, and remember your EFS backup password.

For solving the encryption problem caused by ransomware, the most important thing is preventing virus infection. Install and enable the anti-virus software on your computer. Moreover, back up important data and files on your computer regularly.

There are plenty of iPhone photos vault apps, including the Private Photo Vault, Secret Calculator, App Locker, and NQ Vault. They are very helpful to protect your secret pictures and files using a PIN, a pattern, or a Touch ID. However, there is a possibility that people may forget the password using to unlock the photo vault apps. And it’s also possible that people may accidentally delete photos and videos from the app.

So what if these accidents happen on your iPhone, and how can you get back the lost and deleted photos from the Photo Vault or Lock Apps?

This post tells you about how secret apps hide photos and gives some tricks to quickly get back deleted photos from the iPhone Private Photo Vault or similar apps, as well as some tips to easily recover a forgotten password.

How the Photo Vault, Secret Calculator, or App Locker apps hide your photos on your iPhone?

I looked for the answer to this question from some app developers. And this is the feedback,

The Photo Vault app will create some non-visible file extensions that are only accessible via the app. In fact, they didn’t encrypt the pictures, videos, and files. And they just use the passcode to stop you from accessing the files hidden behind. So some file explorer apps may be able to bypass these photo vault or lock apps to get the hidden pictures without using the passcode.

Surely, even if you deleted the pictures from the app, there are still some potential solutions available since you may have made an iPhone backup where you may find lost photos.

How to recover accidentally deleted photos from the iPhone photo vault app?

As we knew, you can back up your iPhone using iTunes or iCloud. And your Photo Vault app-protected files might also be saved within the backup. So there is a chance that you could get back your removed Photo Vault photos from your iPhone backup.

1. For People Using iCloud to Back up iPhone

So how to check whether you’ve ever backed up photos on the photo vault app? In fact, it’s easy to get it by going to Settings > Your Profile > iCloud > Manage Storage > Backups > your iPhone name > Check whether you’ve backup data on your Photo Vault app.

If it shows that your deleted photos are saved there, then you can restore iPhone to get back the deleted files. But it should be noted that the restore process would get all data from backup to your iPhone and replace everything on your device, which means you may lose those data you didn’t back up.

2. For People Using iTunes to Back up iPhone

Similarly, if you’ve ever created an iTunes backup of your iPhone, you got another chance to restore your deleted photos. And for details on restoring, you can go to https://support.apple.com/kb/HT1766

How to bypass the Photo Vault App to get hidden photos without Password?

Decrypt Old Vault App Filesystem

Sometimes you may forget the Photo Vault app passcode or pattern. In this situation, how can you get back the hidden pictures and files?

1. How to recover passcode for iPhone Photos Vault or Lock apps?

Actually, some apps, such as the Private Photo Vault, will require you to set a recovery email address for the accident of forgetting the passcode. If you’ve ever set the recovery email address, it’s easy to get back the passcode.

2. How to bypass the file vault of lock apps on the iPhone?

Surely, if you didn’t set the recovery email, it is still possible that you could use some iPhone file browser apps to get back the hidden files. For example, Decipher Backup Browser could help directly recover the forgotten passcode or pin of the photo vault app.