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knbc.sys

可牛杀毒

可牛网络技术（北京）有限公司

It runs as a Windows kernel mode device driver named “KnsdBootCheck”.
Publisher:
Keniu Network Technology.  (signed by 可牛网络技术（北京）有限公司)

Product:
可牛杀毒

Description:
knbc Components

Version:
1.5.4.4004

MD5:
98c7a3142f27f9d3288a83a1eba9143d

SHA-1:
4d803eba3fa4fad1b50337579ebcd4d409332fde

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/12/2025 7:59:54 PM UTC  (today)

File size:
16.5 KB (16,848 bytes)

Product version:
1.5.4.4004

Copyright:
Copyright (C) 2009-2010 Keniu Network Technology.

Original file name:
knbc.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
可牛网络技术（北京）有限公司

Authority:
WoSign, Inc.

Valid from:
11/4/2009 8:00:00 AM

Valid to:
11/4/2012 7:59:59 AM

Subject:
CN="Keniu Network Technology (Beijing) Co., Ltd.", OU=Class 3 - for Microsoft Authenticode Signing, O=可牛网络技术（北京）有限公司, L=朝阳区, S=北京市, C=CN

Issuer:
CN=WoSign Code Signing Authority, O="WoSign, Inc.", C=US

Serial number:
523B3D050ED90064B374367AFBD57184

File PE Metadata
Compilation timestamp:
12/17/2010 9:58:26 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
8.0

Entry address:
0x24A0

Entry point:
55, 8B, EC, 83, EC, 1C, C7, 45, E4, 01, 00, 00, C0, 68, C0, 22, 01, 00, FF, 15, 68, 10, 01, 00, 89, 45, E4, 83, 7D, E4, 00, 7C, 5B, 6A, 00, 6A, 01, 68, 50, 30, 01, 00, FF, 15, 64, 10, 01, 00, C7, 45, E8, 18, 00, 00, 00, C7, 45, EC, 00, 00, 00, 00, C7, 45, F4, 00, 02, 00, 00, C7, 45, F0, 00, 00, 00, 00, C7, 45, F8, 00, 00, 00, 00, C7, 45, FC, 00, 00, 00, 00, 6A, 00, 68, 70, 22, 01, 00, 6A, 00, 6A, 00, 8D, 45, E8, 50, 68, 00, 00, 00, 10, 68, 4C, 30, 01, 00, FF, 15, 60, 10, 01, 00, 89, 45, E4, 6A, 00, 68, 00...
 
[+]

Entropy:
5.7383

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

Driver
Display name:
KnsdBootCheck

Type:
Kernel device driver (KernelDriver)

Group:
Boot Bus Extender


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