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b19f64.dll

Checked List

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module b19f64.dll, “TODO: <File description>” by Checked List 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 Checked List)

Description:
TODO: <File description>

Version:
4.0.0.3

MD5:
a65a8bb3271b0ba49c913f54b95c89a8

SHA-1:
74ddf3dd9fc23900feb70bdb1616c5fd27b64366

SHA-256:
87b6b890637c8e51502617206419d2cd7f54cee950d3dc36b9be4e30cda01bc9

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:
11/5/2024 9:50:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.28.0

File size:
250.7 KB (256,752 bytes)

Product version:
4.0.0.3

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

File type:
Dynamic link library (Win64 DLL)

Language:
English (United States)

Common path:
C:\Program Files\checked list\bin\b19f64.dll

Digital Signature
Signed by:
Checked List

Authority:
VeriSign, Inc.

Valid from:
1/14/2015 10:00:00 PM

Valid to:
1/15/2016 9:59:59 PM

Subject:
CN=Checked List, O=Checked List, 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:
60D9BEE7CBC03DF8FA071AC325462E2F

File PE Metadata
Compilation timestamp:
1/11/2015 9:51:28 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x1A090

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, 2F, 60, 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, 48, 8D, 05, 49, 62, 00, 00, 48, 8D, 0D, 92, 6D, 00, 00, 48, 89, 05, C3, 01, 02, 00, 48, 8D, 05, 24, 62, 00, 00, 48, 89, 0D, AD, 01, 02, 00, 48, 89, 05, B6, 01, 02, 00, 48, 8D, 05, 17, 62, 00, 00, 48, 89, 0D, C0, 01, 02, 00, 48, 89, 05, A9, 01, 02, 00, 48...
 
[+]

Code size:
156.5 KB (160,256 bytes)

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