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KingBrowse.FirstRun.exe

FirstRun

KingBrowse

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application KingBrowse.FirstRun.exe by KingBrowse has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
KingBrowse  (signed and verified)

Product:
FirstRun

Version:
1.0.0.0

MD5:
ef9677652765fa3114c05d5c35d3ef2a

SHA-1:
a88806f3b1fb63dda09cb8756095212c0c69ce37

SHA-256:
8edc117fde26c8bd97bd4fc7fc8676b5f1b2afe59e0c409442deb87768a0d7f3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
4/23/2024 8:08:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.KingBrowse (M)
16.2.15.8

File size:
1.1 MB (1,123,616 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
KingBrowse.FirstRun.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\kingbrowse\kingbrowse.firstrun.exe

Digital Signature
Signed by:
KingBrowse

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 1:00:00 AM

Valid to:
1/10/2015 12:59:59 AM

Subject:
CN=KingBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
670CAB2C338090653CEA8172D5DB1E34

File PE Metadata
Compilation timestamp:
7/7/2014 10:35:42 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:6/5CHxYCc6/JR2WNwwyI4SpQIcDACRsrIK+cpK87:6/Wia0wT46cDL4IK+Gl7

Entry address:
0x112166

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:
1.1 MB (1,114,624 bytes)

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