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Desktop.OS.dll

Desktop

Yontoo LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Desktop.OS.dll by Yontoo has been detected as adware by 6 anti-malware scanners.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Desktop

Description:
VGCDesktop.OS

Version:
1.0.0.0

MD5:
87cf9af57ce1966bfa0ae4661fe277f4

SHA-1:
37ecc86c219e1937f52930ae662ce7b0bcbadb60

SHA-256:
56926e24af625b1c3c0d79269bc9674e283505a9f25b8e1f82d2ca0d4fc7c7b1

Scanner detections:
6 / 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:
4/19/2024 1:09:45 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
AdInject.Yontoo
2015.0.3444

Dr.Web
Adware.Plugin.172
9.0.1.05190

McAfee
Artemis!6E594BB9F15A
5600.7100

Reason Heuristics
PUP.Yontoo.J
14.8.7.17

Trend Micro House Call
TROJ_GEN.F47V0609
7.2.164

VIPRE Antivirus
Yontoo
24482

File size:
62.3 KB (63,776 bytes)

Product version:
1.0.0.0

Original file name:
Desktop.OS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\users\{user}\desktop.os.dll

Digital Signature
Signed by:
Yontoo LLC

Authority:
VeriSign, Inc.

Valid from:
1/2/2014 7:00:00 PM

Valid to:
2/2/2015 6:59:59 PM

Subject:
CN=Yontoo LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yontoo LLC, L=Carlsbad, 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:
3AED60574343204F777D640FE767E84C

File PE Metadata
Compilation timestamp:
4/15/2014 4:55:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:5R7iImIxN0VcwZSUgVKtU9SpBJ+9C/HN9LU3XqRuhLosn93BwOHLKUoh:5RmImlqwZgK29SpBJUAt9HALtRBwOHLM

Entry address:
0xF6AE

Entry point:
FF, 25, 00, 20, 00, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
5.9304

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

Code size:
54 KB (55,296 bytes)

Remove Desktop.OS.dll - Powered by Reason Core Security
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