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luckyleap.ExtChecker.dll

lucky leap

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

Version:
1.0.5078.23666

MD5:
67dce676d003b5e05c83ab81cb020dbd

SHA-1:
06ad0f5eb768dc2422286d7399980f1668ae7aba

SHA-256:
5424cc1664cc0c1100c055e3d7870325635723604cf3df28a90fa40059dcbd83

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:
4/24/2024 6:45:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.luckyleap (M)
16.2.9.12

File size:
429.8 KB (440,096 bytes)

Product version:
1.0.5078.23666

Original file name:
luckyleap.ExtChecker.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\lucky leap\bin\plugins\luckyleap.extchecker.dll

Digital Signature
Signed by:
lucky leap

Authority:
VeriSign, Inc.

Valid from:
8/12/2013 8:00:00 PM

Valid to:
8/13/2015 7:59:59 PM

Subject:
CN=lucky leap, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=lucky leap, 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:
6A5011DFCDBB457548BCC92ED7587788

File PE Metadata
Compilation timestamp:
11/26/2013 8:09:04 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:Zg0LUrQ1sxzb3iCb05YSf3/djLph9hvG8:ZpwbxqJ73NtBvd

Entry address:
0x6B55A

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, 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, 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...
 
[+]

Entropy:
7.7237

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

Code size:
421.5 KB (431,616 bytes)

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