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focusbase.exe

focusbase

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file focusbase.exe by focusbase has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
focusbase  (signed and verified)

Version:
1.0.5383.27598

MD5:
3c28b2184317e8c1072c262a1c513f25

SHA-1:
a78d33854c9774fce72af2433f225a36dab1087f

SHA-256:
dabe1de29105a93dc90a6df6b0fd525262e144fb7a8085ebe34a4ffbe295525f

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:
2/24/2025 9:25:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.9

File size:
510.3 KB (522,528 bytes)

Product version:
1.0.5383.27598

Original file name:
focusbase.exe

Language:
Language Neutral

Common path:
C:\Program Files\focusbase\tmpe68.tmp

Digital Signature
Signed by:
focusbase

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 8:00:00 AM

Valid to:
4/23/2015 7:59:59 AM

Subject:
CN=focusbase, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=focusbase, 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:
229BE95AFAF17766126629CC0A897C5F

File PE Metadata
Compilation timestamp:
9/28/2014 7:20:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F446

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, 02, 00, 00, 00, 5C, 00, 00, 00, 88, F4, 07, 00, 88, D6, 07, 00, 52, 53, 44, 53, 9C, B6, 5A, F6, 83, B5, 75, 41, 83, AC, 21, EF, D4, 1B, B0, EC, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 69, 31, 63, 62, 6C, 74, 79, 30, 2E, 7A, 33, 63, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9126

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

Code size:
501.5 KB (513,536 bytes)

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