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WebSpades.OfSvc.dll

WebSpades

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

Version:
1.0.5415.33488

MD5:
98a10e0d193a54ca1cde60f7f736a41f

SHA-1:
f22c763cbaef89bcb52570b32ae739683fd509bd

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:
4/26/2024 3:06:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.WebSpades (M)
16.2.13.20

File size:
1.4 MB (1,418,528 bytes)

Product version:
1.0.5415.33488

Original file name:
WebSpades.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
WebSpades

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 7:00:00 AM

Valid to:
2/5/2015 6:59:59 AM

Subject:
CN=WebSpades, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WebSpades, 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:
67B477151E4851C39D3B7BD0A019E603

File PE Metadata
Compilation timestamp:
10/30/2014 2:36:27 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:tCQ29ia6kDKuljMBiDJBghsgz3KMHYtUq3hsyQTMwqAlNwvZkPwQTBpoE/UWoGZ:EQYikohsI35CUq31QTxwiPwoBpodWoGZ

Entry address:
0x15A3CE

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, C0, 15, 00, 94, 02...
 
[+]

Entropy:
7.7982

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

Code size:
1.3 MB (1,410,048 bytes)

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