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windowsclear.exe

WindowsClear 5.2

WeiSiTianYu Software Develop Service Center

The application windowsclear.exe, “WindowsClear ” by WeiSiTianYu Software Develop Service Center has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The file has been seen being downloaded from download.windowsclear.com.
Publisher:
Weskysoft Inc.   (signed by WeiSiTianYu Software Develop Service Center)

Product:
WindowsClear 5.2

Description:
WindowsClear

Version:
5.2

MD5:
6713bd827a436714fcc1b09d5f20a2ad

SHA-1:
f52d35c82d4240c4609b9269cd2f98d944196334

SHA-256:
90b910d8fd6124f6d17b065fe2b072e84ae194a61dbd16a1b7ad96c5f603d81b

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
11/25/2024 4:38:09 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Adware.PerfectOptimizer (variant)
8.5837

Microsoft Security Essentials
Program:Win32/PerfectOptimizer
1.163.1557.0

Reason Heuristics
PUP.PCOptimizer.Optional.Installer.Meta (L)
16.2.27.18

File size:
5.1 MB (5,387,312 bytes)

Product version:
5.2

Copyright:
2010

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\temporary internet files\content.ie5\{random}\windowsclear.exe

Digital Signature
Signed by:
WeiSiTianYu Software Develop Service Center

Authority:
WoSign, Inc.

Valid from:
7/27/2010 8:00:00 PM

Valid to:
7/28/2011 7:59:59 PM

Subject:
CN=WeiSiTianYu Software Develop Service Center, OU=WoSign Class 3 Code 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:
00AE328C1100741D85A6AF7D045D09EDB0

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:GxSBh0EElbp4E//vtWnI/Sl++0Q8VpGNaUwk96ep5J1ppi8+:ySsEELvsnD+3QUGwUwg6eD58

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, E4, CD, 40, 00, E8, 53, 96, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E4, CD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.9990

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

Code size:
37 KB (37,888 bytes)

The file windowsclear.exe has been seen being distributed by the following URL.

http://download.windowsclear.com/windows/.../WindowsClear.exe

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