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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:
c337e1f93890a4155c1294adf87ea6a7

SHA-1:
82a384fe75ccfaf8d01022948a2de0874865f4c1

SHA-256:
f86647a9e24c5240005cf1779e16a69953fae0b8af6066ec2063bf96f338d7eb

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:
12/23/2024 11:20:27 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

AVG
AdInject.Yontoo
2016.0.3025

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Plugin.172
9.0.1.0219

McAfee
Artemis!5CA1D935D6BD
5600.6681

Reason Heuristics
PUP.Yontoo (M)
15.8.7.10

Trend Micro House Call
TROJ_GEN.R047H05CA15
7.2.219

Trend Micro
TROJ_SPNV.03J713
10.465.07

VIPRE Antivirus
Yontoo
26576

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 5:00:00 PM

Valid to:
2/2/2015 4:59:59 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:
1/8/2014 7:00:16 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:5RmImlqwZgK29SpIJUA3D50ALtRBw56L1:0OSS+A3DeoB3L1

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:
5.9309

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

Code size:
54 KB (55,296 bytes)

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