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39.0.0.dll

Discovery App

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 39.0.0.dll by Discovery App has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Discovery App  (signed and verified)

Version:
1.0.5705.37236

MD5:
4bfc5889637f39db863b227d3f1ef24e

SHA-1:
e666c843408022eb7810246eb6f8563badcc89d9

SHA-256:
881f9ee18e3e46f84072e42e9f1d2d7e86d8d651266d83d353b71f38ca629635

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:
4/19/2024 5:16:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.DiscoveryApp (M)
15.8.30.13

File size:
54.3 KB (55,568 bytes)

Product version:
1.0.5705.37236

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\ProgramData\3a65b31f-fd78-451b-b99b-7557d173b95d\plugins\7\resources\39.0.0.dll

Digital Signature
Signed by:
Discovery App

Authority:
VeriSign, Inc.

Valid from:
3/25/2015 7:00:00 AM

Valid to:
3/25/2016 6:59:59 AM

Subject:
CN=Discovery App, O=Discovery App, 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:
510E3F5ACE52C22C76DC87DB7D1FCCE8

File PE Metadata
Compilation timestamp:
8/16/2015 10:41:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
1536:RO1NlKYQWPYbYbYiYbYPYLYby/EEYEEYEEEnOacTizX1bDJi0fZZLal2n:R4KYQWPYbYbYiYbYPYLYby/EEYEEYEEa

Entry address:
0x864C

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, F7, 07, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 10, 68, A8, B6, 00, 10, E8, 15, 05, 00, 00, 33, C0, 40, 8B, F0, 89, 75, E4, 33, DB, 89, 5D, FC, 8B, 7D, 0C, 89, 3D, 10, D0, 00, 10, 89, 45, FC, 85, FF, 75, 0C, 39, 3D, E4, D2, 00, 10, 0F, 84, D4, 00, 00, 00, 3B, F8, 74, 05, 83, FF, 02, 75, 38, A1, 5C, A7, 00, 10, 85, C0, 74, 0E, FF, 75, 10, 57, FF, 75, 08, FF, D0, 8B, F0, 89, 75, E4, 85, F6, 0F, 84, B1, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
33 KB (33,792 bytes)

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