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appbud.expext.dll

App Bud

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

Version:
1.0.6075.24918

MD5:
1cb64d6867d38a4e79a990bed82dd8b7

SHA-1:
63bf32b38a9f04ef20e18ec3f47f969e49f4ce16

SHA-256:
6bf664927c4a08bf9e728b6a6b24caf9c30a236c13f081f9a43f6f11c5e44ea3

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:
5/16/2024 11:12:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.23

File size:
710.9 KB (727,976 bytes)

Product version:
1.0.6075.24918

Original file name:
2016081921.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\app bud\bin\plugins\appbud.expext.dll

Digital Signature
Signed by:
App Bud

Authority:
Symantec Corporation

Valid from:
7/15/2015 8:00:00 PM

Valid to:
9/13/2016 7:59:59 PM

Subject:
CN=App Bud, O=App Bud, L=Santa Monica, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7F4DBF524894421563EBDD4F51AAB9A1

File PE Metadata
Compilation timestamp:
8/19/2016 5:50:40 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0xB1BCE

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, 10, 0B, 00, 0C, 00, 00, 00, D0, 3B, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
6.6067

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

Code size:
703 KB (719,872 bytes)

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