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utilsquirrelweb.exe

squirrelweb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilsquirrelweb.exe by squirrelweb 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 “Util SquirrelWeb”.
Publisher:
squirrelweb  (signed and verified)

Version:
1.0.5376.37861

MD5:
a9d5ec7846bd8b1793beef4eae272554

SHA-1:
d4da238fcbaada840567c6704e928494e7752617

SHA-256:
a07b3c0280376a9a64a79c71e8cfb9ae0a3f0f15b3c363c23e22f4ace3e4dad0

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:
4/23/2024 5:03:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.squirrelweb (M)
16.2.15.9

File size:
317.8 KB (325,408 bytes)

Product version:
1.0.5376.37861

Original file name:
SquirrelWeb.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\squirrelweb\bin\utilsquirrelweb.exe

Digital Signature
Signed by:
squirrelweb

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 2:00:00 AM

Valid to:
10/8/2014 1:59:59 AM

Subject:
CN=squirrelweb, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=squirrelweb, 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:
7244DFB846B028B3B64BA8B4A757EAA4

File PE Metadata
Compilation timestamp:
9/21/2014 12:02:19 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:Au/h4DwpCep04U0C41jWvQsXPN+4QHogmgBWvTrUWmdRgGptSOQOS0q+1bul/jc:Au/k7WPlBVqGpwdacl/g

Entry address:
0x4F31A

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...
 
[+]

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

Code size:
309 KB (316,416 bytes)

Service
Display name:
Util SquirrelWeb

Type:
Win32OwnProcess


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