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wzshellctx64.dll

WinZiper

Chencheng Cai

The module wzshellctx64.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:
dc9585e45a43394fa65b5e891ea98195

SHA-1:
df72709b03d90e4a641a9d3048d5ff63bfdf20fe

SHA-256:
a4acb30aae8076306a1d0ba8cf27136b7f7a5a6e2083d5a25062a9d67349cfaa

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
8/10/2025 8:07:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Winzipper (M)
16.10.3.7

File size:
199.1 KB (203,896 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 (Win64 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\tools\wzp\omigazip_patch\wzshellctx64.dll

Digital Signature
Signed by:
Chencheng Cai

Authority:
thawte, Inc.

Valid from:
6/28/2016 9:00:00 PM

Valid to:
1/17/2017 9:59:59 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:
4E1F202EB0EF7EB74A664B970BE2EBE4

File PE Metadata
Compilation timestamp:
6/29/2016 5:01:24 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:WJhUIRDLhjBw1DdYE0pThATr0GgouGN9+sqXVOmW12clf+bofIG9:EhvDLhq50pTKMGg8BqlON2Zofj

Entry address:
0xC3A4

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 73, 4F, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, 03, 00, 00, 00, CC, CC, CC, 48, 8B, C4, 48, 89, 58, 20, 4C, 89, 40, 18, 89, 50, 10, 48, 89, 48, 08, 56, 57, 41, 56, 48, 83, EC, 50, 49, 8B, F0, 8B, DA, 4C, 8B, F1, BA, 01, 00, 00, 00, 89, 50, B8, 85, DB, 75, 0F, 39, 1D, 80, B2, 01, 00, 75, 07, 33, C0, E9, D2, 00, 00, 00, 8D, 43, FF...
 
[+]

Code size:
90.5 KB (92,672 bytes)

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