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SquirrelWeb.OfSvc.dll

squirrelweb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module SquirrelWeb.OfSvc.dll by squirrelweb has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
squirrelweb  (signed and verified)

Version:
1.0.5391.3768

MD5:
48693fd326e525fa2801e675cfbc71db

SHA-1:
95a56f744512d76929a6ecbb158275fd6d6c9c80

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:
11/23/2024 6:50:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.28.19

File size:
1.2 MB (1,274,608 bytes)

Product version:
1.0.5391.3768

Original file name:
SquirrelWeb.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\squirrelweb\bin\plugins\squirrelweb.ofsvc.dll

Digital Signature
Signed by:
squirrelweb

Authority:
VeriSign, Inc.

Valid from:
9/30/2014 2:00:00 AM

Valid to:
10/31/2015 12:59:59 AM

Subject:
CN=squirrelweb, 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:
2EFAFF609609AE1736B8583FDAFE875A

File PE Metadata
Compilation timestamp:
10/5/2014 5:05:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1371CE

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, 80, 13, 00, 90, 02...
 
[+]

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

Code size:
1.2 MB (1,266,176 bytes)

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