Bs_Def.sys

Support SST39SF020,SST29EE020,AT49F002T,AT29C020,AM29F002NT,AM29F002NB,V29C51002T,V29C51002B,M29F002T,W29C020.

ASUSTeK Computer Inc.

It runs as a Windows kernel mode device driver named “BS_DEF”.
Publisher:
ASUSTeK Computer Inc.  (signed and verified)

Product:
Support SST39SF020,SST29EE020,AT49F002T,AT29C020,AM29F002NT,AM29F002NB,V29C51002T,V29C51002B,M29F002T,W29C020.

Description:
Default BIOS Flash Driver

Version:
1.24

MD5:
5d972937f40588410bb9ac95fbcae88d

SHA-1:
d456f31a156d54dac12a70fdf2cea436ef4e902c

SHA-256:
bd368a4f28890b959d29f6fcaef800dc654592012d913f046ead34a9b685015d

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/7/2024 8:24:47 AM UTC  (today)

File size:
54.6 KB (55,872 bytes)

Product version:
1.24

Copyright:
Copyright (C) AsusTek Computer. 1992-2001

Original file name:
Bs_Def.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\windows\bs_def.sys

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/26/2006 5:00:00 PM

Valid to:
7/16/2007 4:59:59 PM

Subject:
CN=ASUSTeK Computer Inc., OU=Quality Testing Department, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ASUSTeK Computer Inc., L=Taipei / Peitou, S=Taiwan, C=TW

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
284649F592786C4851C1138E364185AE

File PE Metadata
Compilation timestamp:
3/1/2007 11:09:51 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
5.12

CTPH (ssdeep):
384:WLKe5wQ5fHJueLI0VdWdf3sSoAwSpqXKdfgtMDgR6eAEKmYKWfLCcgd6jG4bo:4J9fpue3WdftBxdIMDcABKWfL3emLbo

Entry address:
0x265C

Entry point:
55, 8B, EC, 8B, 45, 08, 8D, 4D, 08, 51, 50, C7, 40, 38, 4C, 27, 01, 00, C7, 40, 40, 60, 28, 01, 00, C7, 40, 70, 7E, 29, 01, 00, C7, 40, 34, 4A, 29, 01, 00, E8, 56, 00, 00, 00, 85, C0, 7C, 08, 8B, 4D, 08, 8B, 51, 28, 89, 0A, 5D, C2, 08, 00, 5C, 00, 44, 00, 65, 00, 76, 00, 69, 00, 63, 00, 65, 00, 5C, 00, 42, 00, 53, 00, 5F, 00, 44, 00, 65, 00, 66, 00, 00, 00, 00, 00, 5C, 00, 44, 00, 6F, 00, 73, 00, 44, 00, 65, 00, 76, 00, 69, 00, 63, 00, 65, 00, 73, 00, 5C, 00, 42, 00, 53, 00, 5F, 00, 44, 00, 65, 00, 66, 00...
 
[+]

Entropy:
4.7801

Developed / compiled with:
Microsoft Visual C++

Code size:
19.3 KB (19,776 bytes)

Driver
Display name:
BS_DEF

Type:
Kernel device driver (KernelDriver)