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LookThisUp.exe

Sea Bug

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application LookThisUp.exe by Sea Bug has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘LookThisUp’.
Publisher:
LookThisUp  (signed by Sea Bug)

Product:
LookThisUp

Version:
1.0

MD5:
4eb7fa9b4980795251d9c7f4c53ba3c0

SHA-1:
2613d59d17aa92de493601e37482122f3eba6481

SHA-256:
b7c888e881e4b247577d79768554a21aeb1c5719cde1446599aaf4b5c8f9b216

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:
11/17/2024 9:33:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.19

File size:
1.8 MB (1,848,976 bytes)

Product version:
1.0

Copyright:
Copyright © LookThisUp 2014

Original file name:
LookThisUp.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\roaming\lookthisup\lookthisup.exe

Digital Signature
Signed by:
Sea Bug

Authority:
GoDaddy.com, Inc.

Valid from:
7/25/2014 1:59:04 PM

Valid to:
7/25/2015 1:59:04 PM

Subject:
CN=Sea Bug, O=Sea Bug, L=Orange, S=California, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
081CF04D6E5726

File PE Metadata
Compilation timestamp:
10/18/2014 2:03:08 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1C1F36

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:
7.5647

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

Code size:
1.8 MB (1,835,008 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
LookThisUp

Command:
"C:\users\{user}\appdata\roaming\lookthisup\lookthisup.exe"


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