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oz776.sys

O2Micro USB CCID SmartCard Reader

BayHub Technology Inc.

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

Product:
O2Micro USB CCID SmartCard Reader

Version:
1.1.4.244 (+EMV1.3.7.3)

MD5:
7526f2e2a2b3fd4b4e007454fb6f80ca

SHA-1:
2438dbc508066f4a8dbb50d39ad065c7cc49cfca

SHA-256:
077b7101ad9e6acf41989dbeac3ba0e37dc89bef9dd6365317664e7698e401aa

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
6/19/2025 10:10:57 AM UTC  (today)

File size:
80.5 KB (82,448 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 (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\oz776.sys

Digital Signature
Signed by:
BayHub Technology Inc.

Authority:
DigiCert Inc

Valid from:
4/14/2015 5:00:00 PM

Valid to:
4/19/2016 5:00:00 AM

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:
10/13/2015 11:47:06 AM

OS version:
10.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
14.0

CTPH (ssdeep):
1536:+y0SdymUwbiw1bGQ4Afo9P6LVJSOTv1lHN2R+wfCw5dRXlqEY4mlg+UR4lDBtzQe:ldL1KF9P6LOO5lHO+wfCwzI7EDK

Entry address:
0x12000

Entry point:
8B, FF, 55, 8B, EC, E8, 06, 00, 00, 00, 5D, E9, D6, A9, FF, FF, A1, 54, 02, 41, 00, 85, C0, 74, 0F, 3D, 4E, E6, 40, BB, 74, 08, F7, D0, A3, 50, 02, 41, 00, C3, 6A, 06, 59, CD, 29, CC, CC, CC, 00, 21, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, 27, 01, 00, 6C, F0, 00, 00, 94, 20, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, DE, 27, 01, 00, 00, F0, 00, 00, F0, 20, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, 28, 01, 00, 5C, F0, 00, 00, B8, 20, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 29, 01, 00, 24, F0, 00, 00...
 
[+]

Entropy:
6.6994

Code size:
54 KB (55,296 bytes)

Driver
Display name:
guardian2

Type:
Kernel device driver (KernelDriver)


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