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guisys.dll

Lenovo (Beijing) Limited

This is installed with Lenovo EE Boot Optimizer.
Publisher:
Lenovo (Beijing) Limited  (signed and verified)

MD5:
d0cfa79f28ae8e96674edf43f9b3c38e

SHA-1:
f48b7e07904fbd3d4458a41a04a8e308a6eba9d2

SHA-256:
e071904441497f27359c6c26db331b3b41672ab4821f7f8e69c63f05c75cf5c1

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
11/5/2024 11:40:35 AM UTC  (today)

File size:
270.6 KB (277,088 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\lenovo\boot optimizer\guisys.dll

Digital Signature
Signed by:
Lenovo (Beijing) Limited

Authority:
VeriSign, Inc.

Valid from:
12/8/2009 9:00:00 AM

Valid to:
1/8/2012 8:59:59 AM

Subject:
CN=Lenovo (Beijing) Limited, OU=IT, 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 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
2EDBA85021EE00C973B5C5398B2E1155

File PE Metadata
Compilation timestamp:
10/13/2010 4:44:56 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x279FD

Entry point:
83, 7C, 24, 08, 01, 75, 05, E8, DB, 03, 00, 00, FF, 74, 24, 04, 8B, 4C, 24, 10, 8B, 54, 24, 0C, E8, CD, FE, FF, FF, 59, C2, 0C, 00, FF, 25, D8, A1, 07, 10, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 9C, 80, 08, 10, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 9C, 80, 08, 10, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7...
 
[+]

Entropy:
6.2791

Code size:
164 KB (167,936 bytes)

The file guisys.dll has been discovered within the following programs.

Lenovo EE Boot Optimizer  by Lenovo
Publisher's description - “ThinkPad notebooks and ThinkCentre desktop PCs for businesses will boot Windows 7 up to 56% faster than when loading XP or Vista with Lenovo EE Boot Optimizer.”
www.lenovo.com
22% remove it
 
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