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4f458a2cac524b98a12b.dll

Fact Fire

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 4f458a2cac524b98a12b.dll by Fact Fire has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Fact Fire  (signed and verified)

MD5:
c1e9d6eae8a0f27a09d4f71bd98c39c8

SHA-1:
082589f2f3f6cf2423b0c848d33b87bd5fd040e5

SHA-256:
75179e16445267949047a140c1efa82fd945d87f907a86bfa4ecd0913c63e0f7

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:
5/20/2024 4:03:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.9

File size:
192.7 KB (197,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\fact fire\bin\4f458a2cac524b98a12b.dll

Digital Signature
Signed by:
Fact Fire

Authority:
VeriSign, Inc.

Valid from:
11/19/2014 4:00:00 PM

Valid to:
11/20/2015 3:59:59 PM

Subject:
CN=Fact Fire, O=Fact Fire, 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:
5B70F89CFCCA24F1F741F575A33A7EDD

File PE Metadata
Compilation timestamp:
12/18/2014 6:25:06 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x115B2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 5C, 90, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 9C, 53, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 50, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Entropy:
6.5618

Code size:
143.5 KB (146,944 bytes)

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