WdBoot.sys

Microsoft antimalware boot driver

Microsoft Corporation

It runs as a Windows kernel mode device driver named “Windows Defender-Starttreiber”. It is installed as part of Windows 8.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft® Windows® Operating System

Description:
Microsoft antimalware boot driver

 
Part of the Windows 8 Operating System

Version:
6.2.8250.0 (winmain_win8beta.120217-1520)

MD5:
84baa13a4e31c3c9504dd4b14667c6ad

SHA-1:
5d5321ba907ad725e0faeb09ce51aea6308a0077

SHA-256:
e4184c4051f47c8bb14e317ffefcbea70d401c23df3bc28eb95545fe98a5c61f

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
4/26/2024 8:58:08 AM UTC  (today)

File size:
27.4 KB (28,016 bytes)

Product version:
6.2.8250.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
WdBoot.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

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

Digital Signature
Authority:
Microsoft Corporation

Valid from:
4/11/2011 10:39:42 PM

Valid to:
7/11/2012 10:49:42 PM

Subject:
CN=Microsoft Windows Early Launch Anti-malware Publisher, OU=MOPR, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA 2010, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
6108217B000000000006

File PE Metadata
Compilation timestamp:
2/18/2012 6:22:41 AM

OS version:
6.2

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
10.10

CTPH (ssdeep):
384:z3bxo0W4cF0MJC2E7N7GYb0pvo9SPnXh08WatjpW7/EMWZdlH77Hb:z3N7JMy7VqgsvhHjNM0PHb

Entry address:
0x778A

Entry point:
8B, FF, 55, 8B, EC, E8, 9E, FF, FF, FF, 5D, E9, 6C, F8, FF, FF, CC, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 83, EC, 14, 53, 8D, 45, EC, 56, 89, 45, FC, B8, 00, 00, 00, 00, 8B, 75, FC, 33, DB, 33, C9, 33, D2, 0F, A2, 89, 06, 89, 5E, 04, 89, 4E, 08, 89, 56, 0C, 83, 7D, EC, 00, 75, 04, 32, C0, EB, 44, 81, 7D, F4, 6E, 74, 65, 6C, 74, 12, 81, 7D, F4, 63, 41, 4D, 44, 74, 09, 81, 7D, F4, 61, 75, 6C, 73, 75, E1, 8D, 45, EC, 89, 45, FC, B8, 01, 00, 00, 00, 8B, 75, FC, 33, DB, 33, C9, 33, D2, 0F, A2, 89, 06, 89, 5E...
 
[+]

Code size:
14 KB (14,336 bytes)

Driver
Display name:
Windows Defender-Starttreiber

Service name:
WdBoot

Type:
Kernel device driver (KernelDriver)

Group:
_Early-Launch