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Desktop.OS.Plugin.dll

Desktop.OS.Plugin

Yontoo LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Desktop.OS.Plugin.dll by Yontoo has been detected as adware by 7 anti-malware scanners.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Desktop.OS.Plugin

Version:
1.1.0.0

MD5:
072811feaf788ce5effa3929065dbf11

SHA-1:
44f447c5c68c263f7ce2e1d95c616aedec404d8a

SHA-256:
04caab6385caa842cd377a9ea78c1f3cb9143657ba765e8de6c6c7f63690a91f

Scanner detections:
7 / 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 2:06:12 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware AdInject.Yontoo
2017.0.2840

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Yontoo.78, Adware.Plugin.172
9.0.1.038

McAfee
Artemis!9C43086DB4E9
5600.6496

Reason Heuristics
PUP.Yontoo (M)
16.2.7.23

Trend Micro House Call
TROJ_GEN.F47V0610
7.2.38

VIPRE Antivirus
Yontoo
24592

File size:
13.3 KB (13,600 bytes)

Product version:
1.1.0.0

Copyright:
Copyright © 2013

Original file name:
Desktop.OS.Plugin.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Yontoo LLC

Authority:
VeriSign, Inc.

Valid from:
10/23/2012 5:00:00 PM

Valid to:
12/23/2013 3:59:59 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:
4A49FB7E6B0BCF398A1ACF39EA80D982

File PE Metadata
Compilation timestamp:
8/9/2013 11:04:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
192:i4qT8OGyaGxL2XXYyUumf/HVFmDnnYe+PjPoroaZ+vo0jQ5r9ZCspE+TMQrZ031q:idg02HNUuC/Hb4nnYPL7acjQseMw

Entry address:
0x32BE

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:
6.1692

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

Code size:
5 KB (5,120 bytes)

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