What is dzhdd64.sys?
dzhdd64.sys is part of Doze Mode Kernel Driver for HDD control and developed by Lenovo. according to the dzhdd64.sys version information.
dzhdd64.sys's description is "Doze Mode Kernel Driver for HDD control"
dzhdd64.sys is digitally signed by Lenovo(Japan)Ltd..
dzhdd64.sys is usually located in the 'C:\Windows\system32\drivers\' folder.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on dzhdd64.sys:
| Property | Value |
|---|---|
| Product name | Doze Mode Kernel Driver for HDD control |
| Company name | Lenovo. |
| File description | Doze Mode Kernel Driver for HDD control |
| Internal name | DzHDD64.sys |
| Original filename | DzHDD64.sys |
| Legal copyright | Copyright (C) Lenovo. 2009. All rights reserved. |
| Product version | 1.20 |
| File version | 1.1.3.0 built by: WinDDK |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Doze Mode Kernel Driver for HDD cont.. |
| Company name | Lenovo. |
| File description | Doze Mode Kernel Driver for HDD cont.. |
| Internal name | DzHDD64.sys |
| Original filename | DzHDD64.sys |
| Legal copyright | Copyright (C) Lenovo. 2009. All righ.. |
| Product version | 1.20 |
| File version | 1.1.3.0 built by: WinDDK |
Digital signatures [?]
dzhdd64.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Lenovo(Japan)Ltd. |
| Certificate issuer name | VeriSign Class 3 Code Signing 2009-2 CA |
| Certificate serial number | 3ae1f834fa867ff5102fbe94adf86384 |
Hashes [?]
| Property | Value |
|---|---|
| MD5 | ce4cffd9f64b86bceb1c343fc9924d72 |
| SHA256 | a7e03531661c808f34560765136e1912a1389c459ba996880761539f4967056e |
What will you do with dzhdd64.sys?
To help other users, please let us know what you will do with dzhdd64.sys:
What did other users do?
The poll result listed below shows what users chose to do with dzhdd64.sys. 38% have voted for removal. Based on votes from 8 users.
NOTE: Please do not use this poll as the only source of input to determine what you will do with dzhdd64.sys. Only 8 users has voted so far so it does not offer a high degree of confidence.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.