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browsefoxbaapp.dll

Browse Fox

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module browsefoxbaapp.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. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Browse Fox  (signed and verified)

MD5:
d89caa1803f0350638822a37d1d5f1f7

SHA-1:
feeda309f065e5debf5a3161d9b5cbb96094347d

SHA-256:
5d29d87967b5d88fb767819ea3120bed9b200db4bfe51b681f5c83e126c2def3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 7:16:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.BrowseFox (M)
16.2.4.10

File size:
175.3 KB (179,488 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\browsefox\bin\browsefoxbaapp.dll

Digital Signature
Signed by:
Browse Fox

Authority:
VeriSign, Inc.

Valid from:
7/29/2013 8:00:00 PM

Valid to:
7/30/2014 7:59:59 PM

Subject:
CN=Browse Fox, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
3DA9F504A9E9628C2224F40C9EA90C86

File PE Metadata
Compilation timestamp:
4/4/2014 2:44:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:IPIXqws/iH3ZMRct6+N30lMaGtUMz9z35ESDnTKba1nzd7O:IPQq5RctL8MaGKgzJESSbYnJ7O

Entry address:
0xF0EB

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, D1, 74, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A0, 15, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 18, 10, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 56, 8B, 35, D8, 10, 02, 10, 57, FF, 35...
 
[+]

Entropy:
6.5595

Code size:
127.5 KB (130,560 bytes)

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