Recovering .DB3 Files After a System Crash Caused by a Virus

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .DB3 file recovery guide for Windows, MacOS, Android and IOS in 2024.

Recovering .DB3 Files After a System Crash Caused by a Virus
Data Recovery Tool

What is a .DB3 file?

Database file created by SQLite, a lightweight, self-contained database program that creates databases using plain files; contains the database structure as well as data records; used for storing and retrieving structured data using SQL.

What Are Common Causes of ".DB3" Files Lost or Failure?

There are several common causes of ".DB3" file loss or failure:

  1. Accidental deletion: Users may accidentally delete the ".DB3" file while deleting other files or folders.
  2. Software or hardware issues: Issues with the software or hardware can lead to file corruption or loss. This can include software crashes, power outages, hardware failure, or issues with the storage device.
  3. Virus or malware attacks: Malicious software can infect and corrupt the ".DB3" files, making them inaccessible or causing data loss.
  4. File system errors: Errors in the file system can lead to corruption or loss of ".DB3" files. This can occur due to improper shutdowns, disk errors, or software conflicts.
  5. Human error: Mistakes made by users, such as accidental formatting of the storage device or improper handling of the ".DB3" files, can result in data loss.
  6. Software or system upgrades: Upgrading software or the operating system can sometimes lead to compatibility issues, causing the ".DB3" files to become inaccessible or corrupted.
  7. Physical damage: Physical damage to the storage device, such as a hard drive failure or damage to the external storage media, can result in the loss of ".DB3" files.

It is important to regularly backup ".DB3" files to minimize the risk of data loss and to use reliable data recovery tools or services in case of file failure or loss.

How to recover lost ".DB3" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".DB3" file may be deleted.

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🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".DB3" file is always to create it once more.

Use programs for recovering ".DB3" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".DB3" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

Partition Recovery™ 4.9
The tool recovers data from any devices, regardless of the cause of data loss.
Download

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software

  3. Double-click on the disk from which you need to recover ".DB3" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type

  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored

  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan

  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery

  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".DB3" extension?

Looking for how to open a stereo sQLite Database File image file file?

Programs that open ".DB3" files

Windows
SQLite SQLite
Aryson SQLite Viewer Aryson SQLite Viewer
Mac
SQLite SQLite
Linux
SQLite SQLite

Additional Information

  • File type: SQLite Database File

  • File extension: .DB3

  • Developer: SQLite

  • Category: Database Files

  • Format: Binary

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:33 #
    Leave a comment if you have any questions about Recovering lost .DB3 files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What are the common symptoms of a corrupted .DB3 file that may require repair?

    The common symptoms of a corrupted .DB3 file that may require repair include:

    1. Inability to open or access the file: When a .DB3 file is corrupted, you may be unable to open or access it using the associated software or application.
    2. Error messages: Corrupted .DB3 files often generate error messages indicating that the file is damaged or cannot be read. These error messages may vary depending on the software or application you are using.
    3. Missing or incomplete data: A corrupted .DB3 file may result in missing or incomplete data when you open it. Some parts of the file may be unreadable or lost, leading to data loss or inconsistencies.
    4. Slow or unresponsive software: If the .DB3 file is used by a database management system or other software, you may experience slow performance or unresponsiveness when accessing or working with the file due to corruption.
    5. Unexpected program crashes: Corruption in a .DB3 file can cause the software or application using it to crash unexpectedly. This can happen when the corrupted file is being read or processed, leading to instability in the software.
    6. File size discrepancies: In some cases, a corrupted .DB3 file may exhibit abnormal file size compared to its original size. It can be either larger or smaller than expected due to data corruption or loss.

    If you encounter any of these symptoms with a .DB3 file, it is recommended to attempt repairing the file using appropriate methods or seek professional assistance to recover the data.

  • What are some effective methods or tools available for repairing a corrupted .DB3 file?

    There are several methods and tools available for repairing a corrupted .DB3 file:

    1. Use the built-in repair utility: Many database management systems (DBMS) provide a built-in repair utility that can fix minor corruptions in the .DB3 file. For example, in SQLite, you can use the "sqlite3" command-line tool with the ".recover" or ".dump" options to repair and recover data from a corrupted .DB3 file.
    2. Database recovery software: There are various third-party database recovery software available that specialize in repairing corrupted .DB3 files. These tools can analyze the file structure, identify errors, and attempt to fix them. Some popular options include Stellar Repair for Access, SysInfoTools SQLite Database Recovery, and DataNumen DBF Repair.
    3. Restore from a backup: If you have a recent backup of the .DB3 file, you can restore it to a working state. This method is effective if you regularly backup your database files and the corruption occurred after the last backup.
    4. Use a hex editor: If you have technical expertise, you can use a hex editor to manually repair the corrupted .DB3 file. This method requires a deep understanding of the file format and structure, and it can be time-consuming and error-prone.
    5. Seek professional help: If the above methods fail or if the data in the .DB3 file is critical, you may consider seeking professional help from database recovery services. These services have specialized tools and expertise to repair severely corrupted database files.

    Note: Before attempting any repair method, it is recommended to create a backup copy of the corrupted .DB3 file to avoid further data loss.

  • Are there any precautions or backup strategies to prevent the need for .DB3 file repair in the future?

    Yes, there are several precautions and backup strategies you can implement to prevent the need for .DB3 file repair in the future. Here are some recommendations:

    1. Regularly backup your .DB3 files: Set up a regular backup schedule to create copies of your .DB3 files. This ensures that you have a recent and functional backup in case of any data corruption or file damage.
    2. Use reliable and up-to-date database management systems: Choose a reliable and reputable database management system (DBMS) that offers robust features for data integrity and reliability. Keep your DBMS software updated to the latest version to benefit from bug fixes and security patches.
    3. Implement proper file and database maintenance practices: Regularly perform maintenance tasks such as database optimization, index rebuilding, and data validation to keep your .DB3 files healthy and minimize the chances of corruption.
    4. Monitor disk health and storage capacity: Keep an eye on the health of your storage devices where the .DB3 files are stored. Use disk monitoring tools to identify any potential issues in advance and take necessary actions to prevent data loss.
    5. Use error-checking and validation tools: Many DBMSs offer built-in tools for error-checking and validating database files. Utilize these tools to regularly scan and identify any potential issues with your .DB3 files.
    6. Implement a disaster recovery plan: Develop a comprehensive disaster recovery plan that includes steps to recover from data corruption or file damage. This may involve creating redundant backups, implementing failover systems, or utilizing data replication techniques.
    7. Train and educate database administrators: Ensure that your database administrators are well-trained and educated on best practices for maintaining and managing .DB3 files. This includes knowledge of backup strategies, maintenance tasks, and error-checking techniques.

    By following these precautions and backup strategies, you can significantly reduce the likelihood of .DB3 file corruption or damage, minimizing the need for repair in the future.
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