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factfire.dll

Fact Fire

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module factfire.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. The file has been seen being downloaded from install-cdn.firemyfacts.com.
Publisher:
Fact Fire  (signed and verified)

Product:
Fact Fire

Version:
1.0.0.7

MD5:
637e1f2cae2d68d1d8395a6dd3f4629f

SHA-1:
b599e7415f394b2061808ad091caa614e1c70872

SHA-256:
b271e005ab452a2d4d2e3cc868989d22d538f022517aa66a36fd008ebb4d8cd6

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:
11/30/2024 3:35:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.FactFire (M)
16.6.9.0

File size:
262.7 KB (269,040 bytes)

Product version:
1.0.0.7

Copyright:
(c) Fact Fire. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\factfire.dll

Digital Signature
Signed by:
Fact Fire

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 1:00:00 AM

Valid to:
11/21/2015 12:59:59 AM

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:
3/5/2015 9:19:11 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:O2CYUg9J7yX8LVxQbqHVOhB+PiG63Qv+MEBT5mZKTBRebOPcE3:O2CYUG+sLVW4VOD+3EBtmZ6uOU0

Entry address:
0xF515

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, EA, 7E, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, B8, 21, 03, 10, E8, 4C, 02, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 0C, 77, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, C4, 93, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

The file factfire.dll has been seen being distributed by the following URL.

http://install-cdn.firemyfacts.com/bed?r=2015030608&bet=3

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