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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:
c7df40c84b35df7a0fa33e1e5e563005

SHA-1:
8efeb2f65a1d2fe7d79c7c7787ac2aed515a24ff

SHA-256:
c8db13163f8ae70d1c284a7543281477d4ca8d691c5dddde27402478f567faf0

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 7:06:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Winzipper.Chenchen.Meta (M)
16.6.27.15

File size:
171.6 KB (175,768 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:
6/22/2016 5:30:00 AM

Valid to:
1/18/2017 5:29:59 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:
1B38E894E8619E9CFFA77F0FC3F17B4D

File PE Metadata
Compilation timestamp:
6/23/2016 7:02:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:xTyk8Ot5Cu4e5PZ15QiF19nc+6/YxaPJb+b+2IPHT2cNg:xTykjt5CuVX5KzAY4+2Fca

Entry address:
0xA9B6

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 9C, 43, 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, 38, C2, 01, 10, E8, BB, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 60, FB, 01, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, E4, 52, 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:
5.8148

Developed / compiled with:
Microsoft Visual C++

Code size:
77 KB (78,848 bytes)

Approved Shell Extension
Name:
WinZipper Shell Extension

CLSID:
{DC638EEA-2BA2-4459-9C46-85A2F0BE6040}

CLSID name:
wzShellContextMenu Class


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