What is nsdfltr.sys?
nsdfltr.sys is part of Lenovo and developed by Lenovo Corporation according to the nsdfltr.sys version information.
nsdfltr.sys's description is "Never Slow Down Registry Filter Driver"
nsdfltr.sys is digitally signed by Lenovo (Beijing) Limited.
nsdfltr.sys is usually located in the 'C:\Windows\system32\drivers\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about nsdfltr.sys.
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 nsdfltr.sys:
| Property | Value |
|---|---|
| Product name | Lenovo |
| Company name | Lenovo Corporation |
| File description | Never Slow Down Registry Filter Driver |
| Internal name | Nsdfltr.sys |
| Original filename | Nsdfltr.sys |
| Product version | 6.1.2601.2 |
| File version | 6.1.2601.2 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Lenovo |
| Company name | Lenovo Corporation |
| File description | Never Slow Down Registry Filter Driver |
| Internal name | Nsdfltr.sys |
| Original filename | Nsdfltr.sys |
| Product version | 6.1.2601.2 |
| File version | 6.1.2601.2 |
Digital signatures [?]
nsdfltr.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Lenovo (Beijing) Limited |
| Certificate issuer name | VeriSign Class 3 Code Signing 2009-2 CA |
| Certificate serial number | 2edba85021ee00c973b5c5398b2e1155 |
VirusTotal report
None of the 56 anti-virus programs at VirusTotal detected the nsdfltr.sys file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 2152dc8e58391562c9f07998c6fccf8c |
| SHA256 | be89243a90fc3a3d5a628e6c1df9cb2b51839c907ad4ce1a30c38d4260fc0dcc |
What will you do with nsdfltr.sys?
To help other users, please let us know what you will do with nsdfltr.sys:
What did other users do?
The poll result listed below shows what users chose to do with nsdfltr.sys. 0% have voted for removal. Based on votes from 1 user.
| Votes | |||
|---|---|---|---|
| Keep | 100 % | 1 | |
| Remove | 0 % | 0 |
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.