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holdpage.ffupdate.dll

Knowledge Gains

FFUpdate is the Mozilla Firefox plugin manager for the Knowledge Gains branded Yontoo adware browser platform. The component is designed to install and keep Firefox connected to the adware updater. The module holdpage.ffupdate.dll by Knowledge Gains has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Knowledge Gains  (signed and verified)

Version:
1.0.5770.37860

MD5:
067a8c63771960cfa7ace526ca94a725

SHA-1:
12fb7380c9d3b1cb01873b6b2b4ae5faa1a4e396

SHA-256:
457d6028415fdda30b51df63bea75874efb18fda3869c96bbb090f47218e1728

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
2/25/2025 10:05:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.16.8

File size:
559.2 KB (572,664 bytes)

Product version:
1.0.5770.37860

Original file name:
2015102005.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\hold page\bin\plugins\holdpage.ffupdate.dll

Digital Signature
Signed by:
Knowledge Gains

Authority:
VeriSign, Inc.

Valid from:
1/15/2015 7:00:00 AM

Valid to:
1/16/2016 6:59:59 AM

Subject:
CN=Knowledge Gains, O=Knowledge Gains, L=San Diego, 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:
41A7E1BB4081A36A8282DCAE1B2A3A14

File PE Metadata
Compilation timestamp:
10/20/2015 12:02:05 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x8BBCE

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, B0, 08, 00, 0C, 00, 00, 00, D0, 3B, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
7.5154

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

Code size:
551 KB (564,224 bytes)

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