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grassmow.FFUpdate.dll

grassmow

FFUpdate is the Mozilla Firefox plugin manager for the grassmow branded Yontoo adware browser platform. The component is designed to install and keep Firefox connected to the adware updater. The module grassmow.FFUpdate.dll by grassmow has been detected as adware by 8 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:
1.0.5387.17727

MD5:
0396d2eef6ad81a7b292d06c3d599daa

SHA-1:
328ab16963c2b5a01d60f418cf1cad5adc074b42

SHA-256:
0a9a140a7f50b794303e480e02352dc97af79108affe22d4346cd5f5eb337830

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser plugin for Firefox.

Analysis date:
4/19/2024 11:20:15 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.176.28

AVG
Generic
2015.0.3334

ESET NOD32
MSIL/BrowseFox.E 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.Q
14.10.2.8

VIPRE Antivirus
Threat.4741131
33120

File size:
450.8 KB (461,600 bytes)

Product version:
1.0.5387.17727

Original file name:
grassmow.FFUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\grassmow\bin\plugins\grassmow.ffupdate.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:
10/1/2014 11:51:03 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:0aJDORxeGWb/yxUNPO2b1mRlH9t2tjYWnNGsbF5f0:0aJUwGWbKxyPCbHoRZFS

Entry address:
0x7094A

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:
7.6738

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

Code size:
442.5 KB (453,120 bytes)

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