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kbfiltr.sys

Keyboard Filter

Quanta Computer Inc.

It runs as a Windows 64-bit kernel mode device driver named “Keyboard Port”.
Publisher:
QUANTA  (signed by Quanta Computer Inc.)

Product:
Keyboard Filter

Description:
Keyboard Filter Driver

Version:
1.0.0.0

MD5:
72ab24a49edaa6031d660332ac866f87

SHA-1:
670f3a1e7a6f50eb9980502e4ec31dd73fa77a68

SHA-256:
4f15dadd5ef3980ae80ada94dddeb774fa9fc4b799b3b88120b1c8ca12c9fcb0

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/7/2025 12:57:43 PM UTC  (today)

File size:
26.1 KB (26,736 bytes)

Product version:
1.0.0.0

Copyright:
Copyright (C) QUANTA 2012

Original file name:
kbfiltr.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\kbfiltr.sys

Digital Signature
Signed by:
Quanta Computer Inc.

Authority:
VeriSign, Inc.

Valid from:
9/11/2012 8:00:00 PM

Valid to:
10/5/2013 7:59:59 PM

Subject:
CN=Quanta Computer Inc., OU=R&D Dept. 6, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Quanta Computer Inc., L=Tao Yuan Shien, S=Taiwan, C=TW

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
7ED010FF530B3B9866980347928E017F

File PE Metadata
Compilation timestamp:
10/20/2012 3:43:45 AM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
384:iLe148yYcv3J+kjEW5EKcMwlwnMUacB7Zx2W3mirIL5lKKUHeMvf:mWyX3Ji4vucFZcRIILj0

Entry address:
0x2E90

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, DF, 61, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, AE, FE, FF, FF, CC, CC, CC, CC, CC, CC, E9, 37, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, 48, 83, EC, 28, 48, 8B, 05, F1, 30, 00, 00, 48, 85, C0, 74, 0E, 48, 8D, 15, E9, FF, FF, FF, 48, 3B, C2, 74, 02, FF, D0, 48, 83, C4, 28, E9, 09, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, 48, 83, EC, 28, 48, 8D, 0D, 99, 22, 00, 00, E8, 98, 00, 00, 00, 4C, 8B, 05, BD...
 
[+]

Entropy:
6.2670

Code size:
12.5 KB (12,800 bytes)

Driver
Display name:
Keyboard Port

Service name:
kbfiltr

Type:
Kernel device driver (KernelDriver)

Group:
Keyboard Port


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