lookthisupuninstall.exe

Installer

Sea Bug

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application lookthisupuninstall.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. This is the uninstaller utility registered in the Windows Control Panel for the program LookThisUp by LookThisUp. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
Sea Bug  (signed and verified)

Product:
Installer

Version:
1.0.0.0

MD5:
4fdb6b160e253b0ae3f3cd1eebca6e88

SHA-1:
7a79270c21af43cbe56ce7970770f0bf6564fa86

SHA-256:
58c9a35bb3794067326a28f769daab4435c1e4c084495ba0e952be076e54b658

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:
12/24/2024 4:50:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.23.10

File size:
201.1 KB (205,968 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GoDaddy.com, Inc.

Valid from:
7/25/2014 3:59:04 PM

Valid to:
7/25/2015 3:59:04 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:
10/29/2014 12:03:28 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x30D22

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:
6.6007

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

Code size:
187.5 KB (192,000 bytes)

Program Uninstaller
Program name:
LookThisUp

Display publisher:
LookThisUp

Display version:
1.0.2

Uninstall string:
C:\users\{user}\appdata\roaming\lookthisup\lookthisupuninstall.exe -uninstall


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

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

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