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grassmow.BrowserAdapter.dll

grassmow

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module grassmow.BrowserAdapter.dll by grassmow has been detected as adware by 9 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
grassmow  (signed and verified)

Version:
1.0.5388.5256

MD5:
88b7ca56f2cf7072dbe76bf43d56b334

SHA-1:
beee86b50da79657f4f4cfb202260a4f1c4c3878

SHA-256:
c348c234a9495eebee5acc26e0d8990eab87be490064592b3956fe26274ecafb

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/20/2024 2:09:23 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.176.28

AVG
Generic
2015.0.3334

Dr.Web
Trojan.BPlug.254
9.0.1.05190

ESET NOD32
probably MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3163

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.10.02.08

McAfee
BrowseFox.a
5600.6990

Reason Heuristics
Adware.Yontoo.grassmow.W
14.10.2.8

VIPRE Antivirus
Threat.4741131
33520

File size:
877.3 KB (898,336 bytes)

Product version:
1.0.5388.5256

Original file name:
grassmow.BrowserAdapter.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\grassmow\bin\plugins\grassmow.browseradapter.dll

Digital Signature
Signed by:
grassmow

Authority:
VeriSign, Inc.

Valid from:
4/29/2014 1:00:00 AM

Valid to:
4/30/2015 12:59:59 AM

Subject:
CN=grassmow, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=grassmow, L=Santa Monica, 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:
46F979858F2F3241487CBA3EF684BAE8

File PE Metadata
Compilation timestamp:
10/2/2014 4:55:22 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:hTs7G31W3K4KqCVelvXCOXb/nwebGGR9/tsS3:hTVW3K4KqCUlvXCOXb/nBb39/tP3

Entry address:
0xDB342

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...
 
[+]

Entropy:
7.9124

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

Code size:
869 KB (889,856 bytes)

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