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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 4 anti-malware scanners. This executable runs as a local area network (LAN) Internet proxy server listening on port 57482 and has the ability to intercept and modify all inbound and outbound Internet traffic on the local host. This file is typically installed with the program LookThisUp by Sea Bug, LLC which is a potentially unwanted software program.
Publisher:
LookThisUp  (signed by Sea Bug)

Product:
LookThisUp

Version:
1.0

MD5:
1aebcf2105e8eebdd2ee40259cf8b8c1

SHA-1:
197fb819dcae737eae401cfd5a8f4c2891001080

SHA-256:
055b32c47f8e5c06c291b9430de7183649b891ed34a7ca49831cf75a3e9f0f42

Scanner detections:
4 / 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:
4/25/2024 1:11:34 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3334

ESET NOD32
MSIL/Adware.iBryte (variant)
8.10494

Malwarebytes
PUP.Optional.LookThisUp.A
v2014.10.01.04

Reason Heuristics
PUP.SeaBug.K
14.10.1.16

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 10:59:04 PM

Valid to:
7/25/2015 10:59:04 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:
10/1/2014 8:03:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:5WxhHS/BW9B8fAn3o5MtfQ465GZfRbDrhtmB6WoBuS6I3K7hSkUnwlWcpD7kh:zIWINfQ4mGZfRbnNWuld3tOD7K

Entry address:
0x1C1F3A

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...
 
[+]

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

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

Local Proxy Server
Proxy for:
Internet Settings

Local host address:
http://127.0.0.1:57482/

Local host port:
57482

Default credentials:
No


The file LookThisUp.exe has been discovered within the following program.

LookThisUp  by Sea Bug, LLC
LookThisUp is an adware Internet extension that will inject advertisements to the browser on web pages that are not affiliated with the ads or the extension. Ads will be places as new ads that would not normally appear.
lookthisup.net
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The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to xx-fbcdn-shv-02-vie1.fbcdn.net  (31.13.84.20:443)

TCP (HTTP SSL):
Connects to qh-in-f94.1e100.net  (74.125.22.94:443)

TCP (HTTP SSL):
Connects to fra07s28-in-f6.1e100.net  (173.194.112.38:443)

TCP (HTTP SSL):
Connects to fra07s28-in-f0.1e100.net  (173.194.112.32:443)

TCP (HTTP SSL):
Connects to fra02s19-in-f5.1e100.net  (173.194.113.5:443)

TCP (HTTP SSL):
Connects to fra02s19-in-f11.1e100.net  (173.194.113.11:443)

TCP (HTTP SSL):
Connects to fra02s19-in-f10.1e100.net  (173.194.113.10:443)

TCP (HTTP SSL):
Connects to edge-star-shv-04-fra3.facebook.com  (31.13.93.65:443)

TCP (HTTP SSL):
Connects to cloud.gti.mcafee.com  (161.69.165.6:443)

TCP (HTTP SSL):
Connects to channel-proxy-shv-06-ash2.facebook.com  (173.252.102.24:443)

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