What is bfilter.sys?

bfilter.sys is part of Baidu Antivirus and developed by Baidu, Inc. according to the bfilter.sys version information.

bfilter.sys's description is "Baidu Antivirus Minifilter Driver"

bfilter.sys is digitally signed by Baidu Online Network Technology (Beijing)Co., Ltd.

bfilter.sys is usually located in the 'c:\Program Files\Baidu Security\Baidu Antivirus\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about bfilter.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 bfilter.sys:

PropertyValue
Product nameBaidu Antivirus
Company nameBaidu, Inc.
File descriptionBaidu Antivirus Minifilter Driver
Internal nameBaidu Antivirus
Legal copyrightCopyright (C) 2013 Baidu, Inc. All rights reserved.
Product version4, 4, 1, 57692
File version4, 4, 1, 57692

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameBaidu Antivirus
Company nameBaidu, Inc.
File descriptionBaidu Antivirus Minifilter Driver
Internal nameBaidu Antivirus
Legal copyrightCopyright (C) 2013 Baidu, Inc. All r..
Product version4, 4, 1, 57692
File version4, 4, 1, 57692

Digital signatures [?]

bfilter.sys has a valid digital signature.

PropertyValue
Signer nameBaidu Online Network Technology (Beijing)Co., Ltd
Certificate issuer nameVeriSign Class 3 Code Signing 2010 CA
Certificate serial number3bdb1994b98bbb19ab55a42337fa4f5c

VirusTotal report

None of the 51 anti-virus programs at VirusTotal detected the bfilter.sys file.

None of the 51 anti-virus programs detected the bfilter.sys file.

Filename variants

bfilter.sys may also use other filenames. The most common variants are listed below:

Folder name variants

bfilter.sys may also be located in other folders than c:\Program Files\Baidu Security\Baidu Antivirus\. The most common variants are listed below:

Other files also named bfilter.sys

bfilter.sys (9 votes)

Hashes [?]

PropertyValue
MD51ee21d1f1f8ca0fca2db47628029406c
SHA256f01236f1e6f2754db5e827b3e2d45b728d08251eadacebb8b3fce2b27a51ddb9

What will you do with bfilter.sys?

To help other users, please let us know what you will do with bfilter.sys:



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.

Please select the option that best describe your thoughts on the information provided on this web page


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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.

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