Why “没有发现密码” message for BitLocker recovery?

Passware Kit shows “No password” or “Password not found” message in case no “Password” protection was set in BitLocker encryption. Mostly it means your BitLocker volume was encrypted with a Recovery Key which cannot be found with the brute-force method but only extracted from a memory image or hiberfil.sys. Please refer to the image below showing the Log in such cases:

Log.JPG

To check what protectors were used, you can get a list of protectors for your BitLocker encrypted volume using the following steps:

1. Press “Start” button, write “cmd” in the search field, right-click cmd.exe and choose “Run as Administrator.
2. Press “Yes” in the appeared window
3. In the black window after C:\Windows\system32>right-click on the line and paste the following:
C:\Windows\System32\manage-bde.exe -status X: , where X is the volume or partition letter

You should get the answer like the following:

C:\pk-test-cases>C:\Windows\System32\manage-bde.exe -status f:
BitLocker Drive Encryption: Configuration Tool version 6.1.7601
Copyright (C) Microsoft Corporation. All rights reserved.

Volume F: [New Volume]
[Data Volume]

Size: 4,88 GB
 BitLocker Version: Windows 7
 Conversion Status: Fully Encrypted
 Percentage Encrypted: 100%
 Encryption Method: AES 128 with Diffuser
 Protection Status: Protection On
 Lock Status: Unlocked
 Identification Field: None
 Automatic Unlock: Disabled
 Key Protectors:
 Password
 Numerical Password

If you do not have “Password” mentioned under “Key Protectors”, then Passware Kit cannot assign Brute-force attack on your BitLocker encrypted volume. 

We can only recommend you to try searching for the protectors used on other devices and disks.

西数科技: 司法鉴定/产品质量鉴定/检验检测/数据恢复专家. 4006184118

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