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LampyLighty.OptChecker.dll

Lampy Lighty

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

Version:
1.0.5454.18187

MD5:
4b9297f9578818ee3999654038943c27

SHA-1:
c090b1bfc1aa08799d7513d30385da00e80fcf10

SHA-256:
cc7ec1079474a98bd73efcf08d3f37b49886ec6f0db17d3ae0ce1eb1d8c56516

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:
11/23/2024 10:02:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.12

File size:
723.7 KB (741,112 bytes)

Product version:
1.0.5454.18187

Original file name:
LampyLighty.OptChecker.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\lampy lighty\bin\plugins\lampylighty.optchecker.dll

Digital Signature
Signed by:
Lampy Lighty

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 7:00:00 AM

Valid to:
8/6/2015 6:59:59 AM

Subject:
CN=Lampy Lighty, O=Lampy Lighty, 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:
7781DD1C520C847A823706BB0C57BEB8

File PE Metadata
Compilation timestamp:
12/8/2014 1:06:21 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xB4C4E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 00, 00, 74, 00, 00, 00, 90, 4C, 0B, 00, 90, 2E, 0B, 00, 52, 53, 44, 53, E0, 66, A6, 7E, BE, D4, 05, 47, A9, 69, 64, 7B, 51, 04, 1B, 6E, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 65, 75, 71, 64, 32, 76, 66, 73, 2E, 61, 73, 69, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.8644

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
715.5 KB (732,672 bytes)

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