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perfectoptimizer_registered.exe

Perfect Optimizer 5.2

WeiSiTianYu Software Develop Service Center

The application perfectoptimizer_registered.exe, “Perfect Optimizer ” by WeiSiTianYu Software Develop Service Center has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Inno Setup installer.
Publisher:
Weskysoft Inc.   (signed by WeiSiTianYu Software Develop Service Center)

Product:
Perfect Optimizer 5.2

Description:
Perfect Optimizer

Version:
5.2

MD5:
0da8881b53257cd233537bb69d2efe77

SHA-1:
c48897523131f492027dd0edde534a578201432d

SHA-256:
7ec8aa679eaef3beacc396f58162b0f69cbd8402cb4a13fde95f89195f4beabd

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/23/2025 9:08:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.PCOptimizer.Optional.Installer.Meta (L)
16.5.22.5

File size:
5.7 MB (5,970,728 bytes)

Product version:
5.2

Copyright:
2009

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\perfectoptimizer_registered.exe

Digital Signature
Signed by:
WeiSiTianYu Software Develop Service Center

Authority:
WoSign, Inc.

Valid from:
7/30/2009 8:00:00 PM

Valid to:
7/31/2010 7:59:59 PM

Subject:
CN=WeiSiTianYu Software Develop Service Center, OU=Class 3 - for Microsoft Authenticode Signing, O=WeiSiTianYu Software Develop Service Center, L=Beijing, S=Beijing, C=CN

Issuer:
CN=WoSign Code Signing Authority, O="WoSign, Inc.", C=US

Serial number:
2BBBFDC500D3B0F2A0BCF6F0BB1D1521

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:TCFbkj4TEhHcIPScDYMxw0vjT09OW2Ul03+0Q8VpGNaUwk96ep5J1pp48D0CCpBC:2q0zbiLjA9R2T3QUGwUwg6eD5Pr

Entry address:
0x9B24

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, A2, 95, FF, FF, E8, A9, A7, FF, FF, E8, D4, C9, FF, FF, E8, 1B, CA, FF, FF, E8, 0E, F3, FF, FF, E8, 75, F4, FF, FF, 33, C0, 55, 68, DB, A1, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, A4, A1, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 9B, FE, FF, FF, E8, 02, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 04, D0, FF, FF, 8B, 55, F0, B8, E8, CD, 40, 00, E8, 53, 96, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, CD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.9979

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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