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utilbrowsemark.exe

BrowseMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilbrowsemark.exe by BrowseMark has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util BrowseMark”.
Publisher:
BrowseMark  (signed and verified)

Version:
1.0.5295.28235

MD5:
140d1169eb325727ab4e98432be04a0d

SHA-1:
075895d184edcab120afc0ee193a0cf1a54a45c7

SHA-256:
72d032e1fb23d0fad859ea708a7519f8bc68a496a48a4056bec7f45280f8b0a1

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 4:37:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.BrowseMark (M)
16.2.15.14

File size:
311.3 KB (318,752 bytes)

Product version:
1.0.5295.28235

Original file name:
BrowseMark.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\browsemark\bin\utilbrowsemark.exe

Digital Signature
Signed by:
BrowseMark

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 4:00:00 AM

Valid to:
2/5/2015 3:59:59 AM

Subject:
CN=BrowseMark, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BrowseMark, 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:
61D3176BC90758B1B3F2AF5F8E4B7075

File PE Metadata
Compilation timestamp:
7/1/2014 8:41:25 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:7rnBn84nevuQuDkDxRq4SQ1Jw5dLZmAAubSsQX:7rnBtn9Qu+7wT8hTX

Entry address:
0x4D8DA

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:
6.0856

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

Code size:
302.5 KB (309,760 bytes)

Service
Display name:
Util BrowseMark

Type:
Win32OwnProcess


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