How to Restore Files Deleted by Kaspersky (Even if Not in Quarantine)

TL;DR:

Open Kaspersky's Quarantine and review the detection details. Restore a file only when you have verified that it is safe or that the detection is a false positive. If the file is not in Quarantine, check Windows File History, cloud backups, Recycle Bin, or another backup. If no backup exists and the file was stored on a detected local drive, a recovery tool may help, but scan the recovered file before opening it.

1. Record the detection name, path, and action taken.
2. Update Kaspersky and scan the computer before restoring suspicious files.
3. Restore from Quarantine only after verifying the file.
4. Check backups before using recovery software.
5. Keep real-time protection enabled and use exclusions only for verified false positives.

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If Kaspersky removes or blocks a file, do not immediately restore it or disable antivirus protection. Kaspersky may have detected malware, a potentially unwanted application, suspicious behavior, or a false positive. The file may be isolated, disinfected, deleted, or blocked depending on the product version and selected response.

First check the detection name, file path, action taken, and whether the file is available in Quarantine. If the file is suspected to be malicious, update Kaspersky and scan the computer before attempting recovery. If you believe it is a false positive, verify the file source and submit it to Kaspersky for analysis.

Note: Do not restore an infected file to its original location or open it on a clean computer until it has been verified and scanned. Save recovered files to a separate location first.

This guide explains how to restore safe files from Kaspersky Quarantine, backups, or local storage when the file is no longer listed in Quarantine.

What Happened to the File?

Why Did Kaspersky Remove or Quarantine My File?

Kaspersky may take action when it detects malware, suspicious behavior, a potentially unwanted application, or a file that matches a threat signature. The exact action depends on the product, database, protection component, and response settings.

• Quarantine: The file is isolated so it cannot run or spread normally.
• Disinfection: Kaspersky attempts to remove malicious code while preserving the file when possible.
• Deletion: The file is removed when it cannot be safely disinfected or the configured response requires removal.
• Blocking: Access or execution is prevented while the detection is evaluated.
• False positive: A legitimate file may be detected incorrectly because of its behavior, packaging, reputation, or a changed database.

Quarantine retention and automatic cleanup depend on the installed Kaspersky product and its settings. Do not assume that every quarantined file will be kept for a fixed number of days. Check the current Quarantine details and product documentation.

What to Check Before Restoring a Kaspersky-Detected File

Restoring a file is appropriate only when you have a reasonable basis to believe it is safe. A file can be important and still be infected, and a recovery scan can bring back data without removing malware.

1. Record the detection name, file path, file type, and Kaspersky action.
2. Update Kaspersky and run a full scan of the computer.
3. Verify the file's original source, publisher, digital signature, and hash when available.
4. Check whether a clean installer, backup, or official download can replace the file.
5. Restore to a separate folder first and scan it before opening or executing it.
6. For a suspected false positive, submit the file to Kaspersky rather than disabling protection globally.

What If Kaspersky Reports a Database or Application Error?

Update Kaspersky, restart the computer, and run a fresh scan. A database error does not prove that Kaspersky deleted a legitimate file, and it should not be used as a reason to disable antivirus protection. If a safe file remains missing, check backups and use recovery software only after the system is clean.

How to Restore Files Deleted by Kaspersky

Choose the recovery method based on what Kaspersky did and whether a clean copy exists. Start with Quarantine and backups. Use data recovery software only for local files that are no longer available elsewhere.

1. Restore a verified safe file from Kaspersky Quarantine.
2. Restore the file from Windows File History, cloud storage, or another backup.
3. Check Recycle Bin when the file was also deleted locally.
4. Scan the affected storage with recovery software if no clean backup exists.
5. Use a professional service for unstable or physically damaged storage.

Option 1: Restore a Verified Safe File from Kaspersky Quarantine

Use Quarantine when the file is still listed and you have confirmed that it is safe or a false positive. The exact menu names may vary between Kaspersky products and versions.

1. Open Kaspersky and go to the security, detection, or Quarantine section.

   

2. Review the detection name, file path, date, and action.
3. Select the file only if you have verified its source and safety.

   

4. Choose Restore or the equivalent recovery action.

   

5. Restore to a separate folder when possible, scan the file, and open it only after the scan is clean.

   

Note: If Kaspersky identifies the file as malware, do not restore it merely because it is needed. Replace it with a clean copy or ask a security professional to assess it.

Option 2: Recover Local Files No Longer Available in Kaspersky Quarantine

If Kaspersky permanently removed a local file and no clean backup exists, Wondershare Recoverit may scan the affected hard drive, SSD, USB drive, or SD card for recoverable data.

Use this method only after updating and scanning the computer. Recovering a file does not disinfect it. Save the result to a separate location, scan it, and do not execute recovered programs until their safety is confirmed.

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Steps to Recover a Local File

1. Protect the source: Avoid saving new files to the location where Kaspersky removed the data.
2. Select the storage: Open Hard Drives and Locations and choose the affected drive.

   

3. Scan: Start the scan and avoid disconnecting the source.

   

4. Filter: Use file type, size, time, status, or search filters.
5. Preview: Review supported files before recovery.

   

6. Recover elsewhere: Save the file to a different healthy path.

   

7. Scan before opening: Update Kaspersky and scan the recovered file before using it.

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Option 3: Restore the File from Windows File History

Windows File History can restore an earlier copy of files from supported libraries and folders. This method works only when File History was enabled and a backup exists from before Kaspersky removed the file.

1. Open Settings > Backup or search for File History in Control Panel.

   

2. Choose Restore personal files or the equivalent restore option.

   

3. Browse the backed-up folder and select the file or folder.

   

4. Click the restore button and choose another destination when you want to preserve the current location.
5. Update Kaspersky and scan the restored file before opening it.

   

How to Prevent Kaspersky from Removing Safe Files

• Keep Kaspersky updated: Use current application and threat databases to reduce detection errors.
• Verify downloads: Use official publishers, digital signatures, and trusted distribution channels.
• Keep protection enabled: Do not disable real-time protection simply to keep a suspicious file.
• Submit suspected false positives: Send the file and detection details to Kaspersky for analysis.
• Use exclusions sparingly: Exclude only a verified, trusted file or folder and understand that the exclusion reduces protection.
• Maintain backups: Use File History, cloud version history, or another offline backup.

Review Kaspersky Response Settings Without Disabling Protection

Kaspersky can automatically disinfect, quarantine, block, or remove detected threats. The exact response controls vary by product and version. Turning off File Antivirus or real-time protection can expose the computer to active malware, so it should not be the default way to prevent false positives.

1. Open Kaspersky and review Settings > Protection or the relevant File Antivirus section.

   

2. Review the configured response to detected threats and notification settings.
3. Keep protection enabled whenever possible.

   

4. For a suspected false positive, verify the file and submit it for analysis instead of globally disabling protection.

   

5. If a security professional instructs you to pause protection for a controlled test, disconnect from unsafe networks and re-enable protection immediately afterward.

   

Add an Exclusion Only for a Verified False Positive

An exclusion prevents selected files, folders, or applications from some protection checks. It can reduce security, so use it only when the item is trusted, its source is known, and Kaspersky or a qualified security professional has reviewed the detection.

1. Open Kaspersky and go to Settings.

   

2. Open the threats, exclusions, or trusted applications section.

   

3. Choose Add and browse to the verified file, folder, or application.
4. Exclude the narrowest possible path; avoid excluding an entire drive or Downloads folder.

   

5. Review the warning and save the setting only after confirming the file is safe.
6. Keep Kaspersky and Windows updated and remove the exclusion when it is no longer needed.

Conclusion

When Kaspersky removes a file, first determine whether it was quarantined, disinfected, blocked, deleted, or incorrectly detected. Restore from Quarantine only after verifying that the file is safe. If it is no longer available, check File History, cloud backups, and other clean copies before using recovery software.

Keep antivirus protection enabled whenever possible. Use exclusions only for narrowly defined, verified false positives, and scan recovered files before opening them. For critical data or an active infection, seek professional security or data recovery help.