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系统优化加速工具v1.37.2847.exe

Lenovo (Beijing) Limited

This is a setup program which is used to install the application. The file has been seen being downloaded from tools.lenovo.com.cn.
Publisher:
Lenovo (Beijing) Limited  (signed and verified)

MD5:
a3b0f672a35909b9da0b3c83ecee53e6

SHA-1:
a072d418a2ab149653a4d86e1895cf751e8dbb60

SHA-256:
4f5bf15b5ad8241678ff72cb2bbff0748b3e9459040103ce034d90e85455ee69

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
11/23/2024 11:04:48 PM UTC  (a few moments ago)

File size:
6.7 MB (7,002,576 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\系统优化加速工具v1.37.2847.exe

Digital Signature
Signed by:
Lenovo (Beijing) Limited

Authority:
Symantec Corporation

Valid from:
4/23/2015 8:00:00 AM

Valid to:
5/23/2017 7:59:59 AM

Subject:
CN=Lenovo (Beijing) Limited, OU=Technical Support, O=Lenovo (Beijing) Limited, L=Beijing, S=Beijing, C=CN

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
00BFA27FBEC381416F78399F1B2AACA9

File PE Metadata
Compilation timestamp:
2/4/2016 3:38:25 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
196608:7QbCTgKAUgCKDqRPUA6Gron0UpNu8tw/yHK:vTg1CiqRcA6GqVpNu8tw1

Entry address:
0x1E64B

Entry point:
E8, DF, 65, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 56, 8D, 45, 08, 50, 8B, F1, E8, 82, FC, FF, FF, C7, 06, 94, C8, 42, 00, 8B, C6, 5E, 5D, C2, 04, 00, C7, 01, 94, C8, 42, 00, E9, 37, FD, FF, FF, 8B, FF, 55, 8B, EC, 56, 8B, F1, C7, 06, 94, C8, 42, 00, E8, 24, FD, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, 6A, CA, FF, FF, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 56, 57, 8B, 7D, 08, 8B, 47, 04, 85, C0, 74, 47, 8D, 50, 08, 80, 3A, 00, 74, 3F, 8B, 75, 0C, 8B, 4E, 04, 3B, C1, 74, 14, 83, C1, 08...
 
[+]

Entropy:
7.9896  (probably packed)

Code size:
166 KB (169,984 bytes)

The file 系统优化加速工具v1.37.2847.exe has been seen being distributed by the following URL.

http://tools.lenovo.com.cn/tools/.../download?tool_id=t157&signid=1446965&toolname=MachineInfo4

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