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betterbrowse.browserfilter.helper.dll.old.4421d57b-20cb-4698-a904-2264b96a900b

BetterBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file betterbrowse.browserfilter.helper.dll.old.4421d57b-20cb-4698-a904-2264b96a900b by BetterBrowse has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
BetterBrowse  (signed and verified)

MD5:
c5488d803e0c3dc06fe3107470d2f895

SHA-1:
66c4592fc90f547ed866a2779f40757ba3882138

SHA-256:
f5462a5a4656dabc518cc719e5917b5bf2056d8bfb9feacf37a2dd5727429eb1

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 5:39:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.18

File size:
388.8 KB (398,120 bytes)

Common path:
C:\Program Files\betterbrowse\bin\betterbrowse.browserfilter.helper.dll.old.4421d57b-20cb-4698-a904-2264b96a900b

Digital Signature
Signed by:
BetterBrowse

Authority:
VeriSign, Inc.

Valid from:
9/27/2013 5:30:00 AM

Valid to:
9/28/2015 5:29:59 AM

Subject:
CN=BetterBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BetterBrowse, 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:
12F4B87646B8BAF069AA302DE756FE85

File PE Metadata
Compilation timestamp:
10/4/2014 5:46:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x1A2DA

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, F5, 61, 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, 81, EC, 28, 03, 00, 00, A3, 40, D4, 05, 10, 89, 0D, 3C, D4, 05, 10, 89, 15, 38, D4, 05, 10, 89, 1D, 34, D4, 05, 10, 89, 35, 30, D4, 05, 10, 89, 3D, 2C, D4, 05, 10, 66, 8C, 15, 58, D4, 05, 10, 66, 8C, 0D, 4C, D4, 05, 10, 66, 8C, 1D, 28, D4, 05, 10, 66, 8C, 05, 24, D4, 05, 10, 66, 8C, 25, 20, D4, 05, 10, 66, 8C, 2D, 1C, D4, 05, 10, 9C, 8F, 05, 50, D4...
 
[+]

Entropy:
4.9093

Code size:
174 KB (178,176 bytes)

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