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LubFsFlt.sys

USB Blocker

Lenovo (Beijing) Limited

It runs as a Windows 64-bit file system device driver named “LubFsFlt”.
Publisher:
Lenovo(beijing) Limited  (signed by Lenovo (Beijing) Limited)

Product:
USB Blocker

Description:
File System Filter Driver

Version:
1.0.0.21 built by: WinDDK

MD5:
1c65f4c044e6e6c21c8b690ff23ece30

SHA-1:
5ddf66e6827e6cda4597c8bc71de293e29cf6914

SHA-256:
3fcbc11a312151ed45b0c09e459962693e42459e957864682c4aab30f0f769ac

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
9/18/2025 12:04:10 PM UTC  (today)

File size:
26.7 KB (27,384 bytes)

Product version:
1.0.0.21

Copyright:
©2013 Lenovo.All right reserved

Original file name:
LubFsFlt.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
Lenovo (Beijing) Limited

Authority:
VeriSign, Inc.

Valid from:
12/21/2011 12:00:00 AM

Valid to:
3/21/2015 11:59:59 PM

Subject:
CN=Lenovo (Beijing) Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Lenovo (Beijing) Limited, L=Beijing, S=Beijing, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
2D5239E702A5EAD6CF85DA4853BD22E9

File PE Metadata
Compilation timestamp:
2/22/2014 4:52:58 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
384:RW/rxK52qY3XaaR7qtJSM4+Pjrr45oqUSnYPLQa6jlWwaeMxo:RWqEZI1h4OqUSymx

Entry address:
0x7770

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 82, F8, FF, FF, CC, CC, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6D, 00, 42, 00, 6F, 00, 6F, 00, 74, 00, 44, 00, 65, 00, 76, 00, 69, 00, 63, 00, 65, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 5C, 00, 52, 00, 65, 00, 67, 00, 69, 00, 73, 00, 74, 00, 72, 00, 79, 00, 5C, 00, 4D, 00, 61, 00, 63, 00, 68, 00, 69, 00, 6E, 00, 65, 00, 5C, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6D, 00...
 
[+]

Entropy:
6.1565

Code size:
14 KB (14,336 bytes)

Driver
Display name:
LubFsFlt

Type:
File system 'filter' driver (FileSystemDriver)


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