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updatewebconnect.exe

Web Layers

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updatewebconnect.exe by Web Layers has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Update WebConnect”.
Publisher:
Web Layers  (signed and verified)

Version:
1.0.5685.33775

MD5:
d25dbeff79fd48bf9924179baf6be085

SHA-1:
a4c69e9444e01c82bb43af90b1de5d0998a221c3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
5/7/2024 2:13:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.WebLayers (M)
16.2.12.7

File size:
447.8 KB (458,528 bytes)

Product version:
1.0.5685.33775

Original file name:
WebConnect2015072702.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\webconnect\updatewebconnect.exe

Digital Signature
Signed by:
Web Layers

Authority:
VeriSign, Inc.

Valid from:
7/31/2013 7:00:00 AM

Valid to:
8/1/2015 6:59:59 AM

Subject:
CN=Web Layers, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Web Layers, L=Santa Monica, 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:
68B083249006BA50D35F50A8F44CD7D4

File PE Metadata
Compilation timestamp:
7/27/2015 9:45:50 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:EizBIo69tiCWYaC8PIoLFIDOShXcKS2y38l1dFyGQxf3R/9o9NGtWHEi:Jze95kRLyPl1dFyGQzwI8

Entry address:
0x6FB4E

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:
6.0167

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

Code size:
439 KB (449,536 bytes)

Service
Display name:
Update WebConnect

Type:
Win32OwnProcess


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