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wzShellctx.dll

WinZiper

Chencheng Cai

The module wzShellctx.dll, “WinZiper Shell Context Menu” 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 Shell Context Menu

Version:
2.2.28.0

MD5:
83226ef27393c5a322d75aca799e261c

SHA-1:
1470fad9c6be37ebf1204c82887c4ec8e3a41fc9

SHA-256:
e4eb64f4248d62ac9875ffb4bcb0fc84e58a6117e14553eb8586f5a7a3b96013

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
10/6/2025 3:01:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Winzipper.Chenchen.Meta (M)
16.8.4.7

File size:
174.1 KB (178,296 bytes)

Product version:
2.2.28.0

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

Original file name:
wzShellctx.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\omigazip\wzshellctx.dll

Digital Signature
Signed by:
Chencheng Cai

Authority:
thawte, Inc.

Valid from:
8/2/2016 4:00:00 PM

Valid to:
1/17/2017 3:59:59 PM

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:
8/3/2016 6:14:02 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:XFkns7kh+YqKujrw+QzOPy9bIR+b+2IK7x+bl:Rkh/uIVNK2+27V+5

Entry address:
0xD6E1

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 28, 4C, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, E8, EB, 01, 10, E8, C0, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 0C, 1C, 02, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, A4, 84, 01, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.0532

Developed / compiled with:
Microsoft Visual C++

Code size:
87 KB (89,088 bytes)

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