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oz776x64.sys

O2Micro USB CCID SmartCard Reader

BayHub Technology Inc.

It runs as a Windows 64-bit kernel mode device driver named “guardian2”.
Publisher:
O2Micro  (signed by BayHub Technology Inc.)

Product:
O2Micro USB CCID SmartCard Reader

Version:
2.1.4.240 (+EMV1.3.7.3)

MD5:
58f09b8b2067dfb3c98fbb671dce7217

SHA-1:
5c40ecc4ce65c1f3dae854d4cfddfa04b84c483c

SHA-256:
f2227f93f587745f2e53c5b3ba2909b60d2c5a9bc2d8aa6a7c9000eb5a986851

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
12/18/2025 9:47:54 PM UTC  (today)

File size:
105 KB (107,536 bytes)

Product version:
1.0.0.0

Copyright:
Copyright (C) O2Micro, Inc. 2015

Trademarks:
O2Micro (c) 2005

Original file name:
oz776.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\oz776x64.sys

Digital Signature
Signed by:
BayHub Technology Inc.

Authority:
DigiCert Inc

Valid from:
4/15/2015 2:00:00 AM

Valid to:
4/19/2016 2:00:00 PM

Subject:
CN=BayHub Technology Inc., O=BayHub Technology Inc., L=Santa Calra, S=California, C=US, PostalCode=95054, STREET=3118 Patrick Henry Drive, SERIALNUMBER=C3540670, OID.1.3.6.1.4.1.311.60.2.1.2=California, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0B42B4D63F98A9506806275FF4AF482B

File PE Metadata
Compilation timestamp:
5/30/2015 12:58:55 AM

OS version:
6.3

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
12.0

CTPH (ssdeep):
3072:9vIaMbYJXw4ewnCQxmI1kr5dn+Shfagki:9vIjbYJXDewnCQxPy5pfagki

Entry address:
0xCD90

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 5B, B2, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, 02, 2E, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 3B, 0D, 09, 85, 00, 00, 75, 10, 48, C1, C1, 10, 66, F7, C1, FF, FF, 75, 01, C3, 48, C1, C9, 10, E9, 02, 00, 00, 00, CC, CC, B9, 02, 00, 00, 00, CD, 29, CC, B9, 08, 00, 00, 00, CD, 29, CC, FF, 25, 3A, 64, 00, 00, FF, 25, E4, 62, 00, 00, FF, 25, E6, 62...
 
[+]

Code size:
65.5 KB (67,072 bytes)

Driver
Display name:
guardian2

Type:
Kernel device driver (KernelDriver)


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