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webwaltz.gcupdate.dll

web waltz

This is the Google Chrome extension manager/updater for the Yontoo web waltz branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module webwaltz.gcupdate.dll by web waltz has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
web waltz  (signed and verified)

Version:
1.0.5581.41263

MD5:
9f1e7da792ede70567e8750d31250de8

SHA-1:
2d4d473fb28e3ab8acb119285299d7db5bb2d430

SHA-256:
3f70be9e02a28d868f56d532fdda496de0d0da672508e788486c4f5df0e4b5ee

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
5/21/2024 10:56:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.5.17

File size:
1.5 MB (1,562,400 bytes)

Product version:
1.0.5581.41263

Original file name:
2015041406.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\web waltz\bin\plugins\webwaltz.gcupdate.dll

Digital Signature
Signed by:
web waltz

Authority:
VeriSign, Inc.

Valid from:
9/18/2013 7:00:00 PM

Valid to:
9/19/2015 6:59:59 PM

Subject:
CN=web waltz, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=web waltz, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5FD8087829E831DA83F74489B52D1DFF

File PE Metadata
Compilation timestamp:
4/14/2015 1:55:34 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x17D482

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.3161

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
1.5 MB (1,553,920 bytes)

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