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roundworld.expext.dll

Round World

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

Version:
1.0.5622.14033

MD5:
bf1536b00a2c1428ec3a765a2bb57b9d

SHA-1:
9bddb15ec7eac51fd7b953c19fd13d0588731685

SHA-256:
11720199a14f99533428ac50f8ef4971def1a1641e5aa8a0751ca4ecd9806324

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:
11/1/2024 8:27:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.23

File size:
768.2 KB (786,672 bytes)

Product version:
1.0.5622.14033

Original file name:
2015052415.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\round world\bin\plugins\roundworld.expext.dll

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 12:00:00 AM

Valid to:
1/11/2016 11:59:59 PM

Subject:
CN=Round World, O=Round World, 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:
1E6F69E3F386155D988683D665483D02

File PE Metadata
Compilation timestamp:
5/24/2015 4:47:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0xBFEB6

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:
760 KB (778,240 bytes)

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