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5fa8.dll

Follow Rules

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 5fa8.dll, “TODO: <File description>” by Follow Rules has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TODO: <Company name>  (signed by Follow Rules)

Description:
TODO: <File description>

Version:
4.0.0.3

MD5:
d3b7d5b537013e4d1ac7c0ef9f804c2e

SHA-1:
f753d2e9f1c526bd53cf2e8a346a339c82638422

SHA-256:
f2d2307de5fa1d9fbc3b3cda24fc9b071e35b2b760903414c56cce2cdc52c563

Scanner detections:
1 / 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:
4/29/2024 3:13:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.12

File size:
278.7 KB (285,424 bytes)

Product version:
4.0.0.3

Copyright:
TODO: (c) <Company name>. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\faster light\bin\5fa8.dll

Digital Signature
Signed by:
Follow Rules

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 6:00:00 PM

Valid to:
1/11/2016 5:59:59 PM

Subject:
CN=Follow Rules, O=Follow Rules, 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:
360C16AC576B09F5DFA927EA0089856F

File PE Metadata
Compilation timestamp:
1/11/2015 5:51:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x20437

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, A1, 7E, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, B8, 2D, 8E, 02, 10, A3, 98, F2, 03, 10, C7, 05, 9C, F2, 03, 10, 23, 85, 02, 10, C7, 05, A0, F2, 03, 10, D7, 84, 02, 10, C7, 05, A4, F2, 03, 10, 10, 85, 02, 10, C7, 05, A8, F2, 03, 10, 79, 84, 02, 10, A3, AC, F2, 03, 10, C7, 05, B0, F2, 03, 10, A5, 8D, 02, 10, C7, 05, B4, F2, 03, 10, 95, 84, 02, 10, C7, 05, B8, F2, 03, 10, F7, 83, 02, 10, C7, 05, BC, F2, 03, 10, 83, 83...
 
[+]

Entropy:
6.4998

Code size:
196 KB (200,704 bytes)

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