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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 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
grassmow  (signed and verified)

Version:
1.0.6010.15585

MD5:
11b763f0b531da6d35331294c8230be0

SHA-1:
9bc673530712e627aa1f69ecafd4b9c5408bd29a

SHA-256:
3d9dda1a408decedf4c178a0cfb2eb721eb17bd63f577d1728073aa600bd67ff

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
11/27/2024 4:23:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.12.6.23

File size:
558.2 KB (571,632 bytes)

Product version:
1.0.6010.15585

Original file name:
2016061516.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:
4/23/2015 9:00:00 AM

Valid to:
6/22/2016 8:59:59 AM

Subject:
CN=grassmow, 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:
6097683DE3EA69DB932CBE8A09BDCA90

File PE Metadata
Compilation timestamp:
6/16/2016 1:39:35 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x8B61E

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:
7.4991

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

Code size:
550 KB (563,200 bytes)

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