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eupgrade.exe

WinZiper

Chencheng Cai

The application eupgrade.exe, “Winziper upgrade application” by Chencheng Cai has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Winziper Pvt Ltd.  (signed by Chencheng Cai)

Product:
WinZiper

Description:
Winziper upgrade application

Version:
2.2.28.0

MD5:
eea0e4a396556fd5a1169270d3cb3ee1

SHA-1:
faa230d2c41952020dccd4ce44499821f4cbcdfc

SHA-256:
04186d7191c9e2776af11abbe6ab9f6d2c3c8766d757f07b0ad98be3458ee7d6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
10/6/2025 2:40:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.8.4.10

File size:
1.1 MB (1,129,008 bytes)

Product version:
2.2.28.0

Copyright:
Copyright (c) 2015 Winziper Pvt Ltd. All Rights Reserved.

Original file name:
wzUpgrade.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\tools\wzp\eupgrade\eupgrade.exe

Digital Signature
Signed by:
Chencheng Cai

Authority:
thawte, Inc.

Valid from:
8/3/2016 7:00:00 AM

Valid to:
1/18/2017 6:59:59 AM

Subject:
CN=Chencheng Cai, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
76EA77925866248FB3EB702E5A5E225B

File PE Metadata
Compilation timestamp:
7/22/2016 10:31:16 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:Ifn4KPhqJSaBlvUPoddeSu+Kri/o2Ry3ZTvHt+1cZ:If4DjVuLESZTvHt+O

Entry address:
0x89D73

Entry point:
E8, 4D, 73, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, 83, 3D, 7C, 42, 4F, 00, 01, 72, 5F, 0F, B6, 44, 24, 08, 8B, D0, C1, E0, 08, 0B, D0, 66, 0F, 6E, DA, F2, 0F, 70, DB, 00, 0F, 16, DB, 8B, 54, 24, 04, B9, 0F, 00, 00, 00, 83, C8, FF, 23, CA, D3, E0, 2B, D1, F3, 0F, 6F, 0A, 66, 0F, EF, D2, 66, 0F, 74, D1, 66, 0F, 74, CB, 66, 0F, EB, D1, 66, 0F, D7, CA, 23, C8, 75, 08, 83, C8, FF, 83, C2, 10, EB, DC, 0F, BC, C1, 03, C2, 66, 0F, 7E, DA, 33, C9, 3A, 10, 0F, 45, C1, C3, 33, C0, 8A, 44, 24, 08, 53, 8B, D8, C1, E0...
 
[+]

Entropy:
6.3179

Code size:
708 KB (724,992 bytes)

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