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utilkingbrowse.exe

KingBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilkingbrowse.exe by KingBrowse 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 KingBrowse”.
Publisher:
KingBrowse  (signed and verified)

Version:
1.0.5670.9852

MD5:
516c891be1b2f9d117841f3b975f96e3

SHA-1:
8a1650ea458275678c601b3d4a776a3ba410022d

SHA-256:
c7793ec8c7e2e194b660a306e766cc13eca7a2b8cd6aed79da166f9fbe9b281c

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:
5/8/2024 7:47:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.23

File size:
447.7 KB (458,480 bytes)

Product version:
1.0.5670.9852

Original file name:
KingBrowse2015071113.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\kingbrowse\bin\utilkingbrowse.exe

Digital Signature
Signed by:
KingBrowse

Authority:
VeriSign, Inc.

Valid from:
12/22/2014 9:00:00 PM

Valid to:
2/21/2016 8:59:59 PM

Subject:
CN=KingBrowse, O=KingBrowse, L=San Diego, 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:
59FC64648F7EB003118AF79F79CF3B7C

File PE Metadata
Compilation timestamp:
7/11/2015 10:28:25 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x6FB2E

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...
 
[+]

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

Code size:
439 KB (449,536 bytes)

Service
Display name:
Util KingBrowse

Type:
Win32OwnProcess


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