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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 8 anti-malware scanners.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Desktop

Description:
VGCDesktop.OS

Version:
1.0.0.0

MD5:
5c5106dc37b0a8a612676403d228faa5

SHA-1:
f8e4b4f996b57c3e7e18945ce1157caaa118eb00

SHA-256:
8f9458498b6b05430e9f2e8cdd75031b4240a13c080f3774aa85056a3e667280

Scanner detections:
8 / 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 6:51:15 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
AdInject.Yontoo
2017.0.2848

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Plugin.172
9.0.1.031

McAfee
Artemis!5CA1D935D6BD
5600.6504

Reason Heuristics
PUP.Yontoo (M)
16.1.31.4

Trend Micro House Call
TROJ_GEN.R047H05CA15
7.2.31

Trend Micro
TROJ_SPNV.03J713
10.465.31

VIPRE Antivirus
Yontoo
39048

File size:
58.3 KB (59,680 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:
10/24/2012 2:00:00 AM

Valid to:
12/24/2013 12:59:59 AM

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:
4A49FB7E6B0BCF398A1ACF39EA80D982

File PE Metadata
Compilation timestamp:
5/16/2013 1:23:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:8BieUNO/+zR5YJUAPeSL61WZfFcLlxUB8+hLCv8:aKR2+APeSL6oZfFk2BtLCE

Entry address:
0xE63E

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...
 
[+]

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

Code size:
50 KB (51,200 bytes)

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