BrowseFox.OfSvc.dll

Browse Fox

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

Version:
1.0.5344.27619

MD5:
db9a227f30f749211d5c1ea0cc3ef9a9

SHA-1:
3b1eabcd538734afa2732098a3fe1d461da7cc23

SHA-256:
13fc18ae5d95a3385f8b98085568a5aba7ac358fb9674969a6f7ff2f48d34524

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:
12/23/2024 10:11:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.20

File size:
1 MB (1,089,776 bytes)

Product version:
1.0.5344.27619

Original file name:
BrowseFox.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 8:00:00 PM

Valid to:
9/4/2015 7:59:59 PM

Subject:
CN=Browse Fox, O=Browse Fox, 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:
01384FB7929C948C4A9ACD0BC2F3E8C0

File PE Metadata
Compilation timestamp:
8/19/2014 12:20:50 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x109EE6

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:
7.6956

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

Code size:
1 MB (1,081,344 bytes)

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