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websparkle.gcupdate.dll

WebSparkle

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

Version:
1.0.5601.26812

MD5:
518dadba79a550c71e2ff46d33492875

SHA-1:
d5d2dbf5746ee7cf35d9b126b1f912b0f0a3728e

SHA-256:
3bb3844244eff04f6d179c0efe780e452c394799c56adf4896ce8eabed0b797b

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/26/2024 12:34:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.WebSparkle (M)
16.2.13.9

File size:
1.5 MB (1,579,808 bytes)

Product version:
1.0.5601.26812

Original file name:
2015050322.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\websparkle\bin\plugins\websparkle.gcupdate.dll

Digital Signature
Signed by:
WebSparkle

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 2:00:00 AM

Valid to:
8/14/2015 1:59:59 AM

Subject:
CN=WebSparkle, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WebSparkle, 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:
36202DE0CBDFE10F57978E3766DB2ED4

File PE Metadata
Compilation timestamp:
5/4/2015 12:53:56 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:ABv0VKzzS8tPeH3L5gZ5WNeMxC808xz13zJ3kw62Vep/SJ1SMK:Mv0VK68tPeH7aZseMxa8Z1jJJ7IpnMK

Entry address:
0x1819EA

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, 10, 18, 00, 0C, 00, 00, 00, EC, 39, 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:
7.2925

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

Code size:
1.5 MB (1,571,328 bytes)

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