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BrowseFox.Repmon.dll

Browse Fox

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module BrowseFox.Repmon.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:
1.0.5342.28143

MD5:
8d84127a0cdf744e0050d31cc65dc7b3

SHA-1:
3c037f927c5dcbf98a6f08d07643befcf056763f

SHA-256:
8579ff87720380f24c5e7c9e8e466e4a92e1c8d7bc90035b63116e48377250d8

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:
4/29/2024 5:18:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.20

File size:
110.2 KB (112,880 bytes)

Product version:
1.0.5342.28143

Original file name:
BrowseFox.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Browse Fox

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:
8/17/2014 12:38:16 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1B7E2

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, 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, 01, 00, 9C, 02, 00, 00, 00, 00, 00, 00, 9C, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00...
 
[+]

Entropy:
6.1125

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

Code size:
102 KB (104,448 bytes)

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