kingbrowsebaapp.dll

KingBrowse

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

MD5:
faa0ef250b85bee8cd9434e430393d55

SHA-1:
c7fbb2f536c6137f6923fe306040a3790b22167c

SHA-256:
b143917b7326b78d15d20eb74b705edacf32dd857284e2791efcd8e636ef90f3

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 12:34:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.KingBrowse (M)
16.2.12.22

File size:
179.3 KB (183,584 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\kingbrowse\bin\kingbrowsebaapp.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 6:00:00 PM

Valid to:
1/9/2015 5:59:59 PM

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:
7/8/2014 1:04:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:JEBVpsHdKqejTdx7V8zPJvPwUssoyBjtIAiCt+JFxY:JE5jTdj4BvesoYjtIA9tQfY

Entry address:
0xF6EC

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 68, 75, 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, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A0, 25, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 18, 20, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 56, 8B, 35, D8, 20, 02, 10, 57, FF, 35...
 
[+]

Entropy:
6.5494

Code size:
129.5 KB (132,608 bytes)

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