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c83c7c0336f94f8faa6d64.dll

Browse Fox

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module c83c7c0336f94f8faa6d64.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)

MD5:
553c125846b06224fa58a3fae49eea1a

SHA-1:
388ce5c0495a007cc8b4891e66a14d7aa8726484

SHA-256:
2e9aeff1da40b9588a6eba336fe0605a2c8047addb992d2a747aafc4b849513b

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 6:09:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.12

File size:
192.7 KB (197,360 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\browsefox\bin\c83c7c0336f94f8faa6d64.dll

Digital Signature
Signed by:
Browse Fox

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 5:30:00 AM

Valid to:
9/5/2015 5:29:59 AM

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:
8/14/2014 12:22:31 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x11648

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 43, 61, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, 75, 00, 01, 00, 41, B8, 40, 00, 00, 00, E8, DA, F4, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, B6, DD...
 
[+]

Entropy:
6.1646

Code size:
128 KB (131,072 bytes)

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