luckyleapun.exe

lucky leap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application luckyleapun.exe by lucky leap has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program lucky leap 2013.11.07.203812 by luckyleap. While running, it connects to the Internet address install.luckyleap.net on port 80 using the HTTP protocol.
Publisher:
lucky leap  (signed and verified)

Version:
1.0.0.0

MD5:
c8f35ca6d2182993036f203da70dd832

SHA-1:
72a7b0a65434d3cdb3e82a70ef03f411a1e476e4

SHA-256:
a29ec0d2d2766176fc68c957e4f6bf5419c1f1d868c6fa615444ca163457f74d

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 6:14:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.8

File size:
539.7 KB (552,688 bytes)

Product version:
1.0.0.0

Original file name:
lucky leap Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\lucky leap\luckyleapun.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/15/2014 3:00:00 AM

Valid to:
8/14/2015 2:59:59 AM

Subject:
CN=lucky leap, 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:
43617BC1835AD477751C6C1F73B21914

File PE Metadata
Compilation timestamp:
3/19/2015 8:05:36 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x84E33

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:
6.1196

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

Code size:
524 KB (536,576 bytes)

Program Uninstaller
Program name:
lucky leap 2013.11.07.203812

Display publisher:
luckyleap

Display version:
2013.11.07.203812

Uninstall string:
C:\Program Files\lucky leap\luckyleapUn.exe OFS_


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to install.luckyleap.net  (70.186.131.184:80)

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