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yonyfl.dll

Western Web Applications, LLC

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser. Part of the Injekt brand of unwanted programs. The module yonyfl.dll by Western Web Applications has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Western Web Applications, LLC  (signed and verified)

MD5:
e5e8c6ddb084b1ebf9623f49add4a462

SHA-1:
ef8ca4db43cc9cd9e5a5e588f3654483ec695089

SHA-256:
c48a9118499198e63d252ddf7a36c7ec99a2e9aad3eb4a6b39288890daac2030

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
11/6/2024 12:27:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
16.10.12.7

File size:
1.3 MB (1,389,896 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\ProgramData\yhwtrorj\dat\yonyfl.dll

Digital Signature
Signed by:
Western Web Applications, LLC

Authority:
VeriSign, Inc.

Valid from:
6/3/2014 4:30:00 AM

Valid to:
6/4/2015 4:29:59 AM

Subject:
CN="Western Web Applications, LLC", O="Western Web Applications, LLC", L=Del Mar, 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:
2846A7B6FF6C3C84D2AC5AD12B664347

File PE Metadata
Compilation timestamp:
8/29/2014 4:45:31 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:jPXj10x1RNaA+4dj70J6atu/kX3+yievJc5LVx4YTFy:Lj10xnNay5datuyNJiVFTFy

Entry address:
0xC6D60

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 07, C6, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 8B, C1, 49, 83, F8, 08, 72, 53, 0F, B6, D2, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06, 4C, 2B, C1, 48, 89, 10, 48, 03...
 
[+]

Entropy:
6.0301

Code size:
902 KB (923,648 bytes)

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