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{d497d8c3-1d18-42da-aec8-410a3d19e6e3}.dll

Lucky Bright

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {d497d8c3-1d18-42da-aec8-410a3d19e6e3}.dll by Lucky Bright has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Lucky Bright  (signed and verified)

Version:
1.0.5979.11358

MD5:
d22b6ffe85837bf61503f3c5cbd3c6a7

SHA-1:
17419763eb847a86bc49fa4b520cc27d8f081c79

SHA-256:
ee609bfb89e88ce2fe16a7ea235bfd4757b5f9db29c56e57d0bed90456260a77

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 4:03:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.14

File size:
568.7 KB (582,368 bytes)

Product version:
1.0.5979.11358

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{d497d8c3-1d18-42da-aec8-410a3d19e6e3}.dll

Digital Signature
Signed by:
Lucky Bright

Authority:
VeriSign, Inc.

Valid from:
6/19/2015 5:00:00 AM

Valid to:
6/19/2016 4:59:59 AM

Subject:
CN=Lucky Bright, O=Lucky Bright, L=Los Angeles, 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:
071EC58D2C0C7C068666729CAC608B70

File PE Metadata
Compilation timestamp:
5/15/2016 6:18:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x9F68F

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 53, 05, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, B1, FE, FF, FF, 83, C4, 0C, 5D, C2, 0C, 00, 55, 8B, EC, 6A, 00, FF, 15, 6C, 01, 10, 10, FF, 75, 08, FF, 15, 68, 01, 10, 10, 68, 09, 04, 00, C0, FF, 15, 9C, 00, 10, 10, 50, FF, 15, 70, 01, 10, 10, 5D, C3, 55, 8B, EC, 81, EC, 24, 03, 00, 00, 6A, 17, E8, C4, A3, 02, 00, 85, C0, 74, 05, 6A, 02, 59, CD, 29, A3, 00, 7C, 1A, 10, 89, 0D, FC, 7B, 1A, 10, 89, 15, F8, 7B, 1A, 10, 89, 1D, F4, 7B, 1A, 10, 89, 35, F0, 7B, 1A...
 
[+]

Entropy:
5.5941

Developed / compiled with:
Microsoft Visual C++

Code size:
311.5 KB (318,976 bytes)

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