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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 19 anti-malware scanners. This executable runs as a local area network (LAN) Internet proxy server listening on port 51003 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:
f506f8a3d838652a61b582af59a84d21

SHA-1:
69e77a77cd8dbe663b09d851fba91984a5ac00e2

SHA-256:
29fd520c7890ab0e3f8db4be590a88b45ddc7a5d1b83da1232ccb13a4961d586

Scanner detections:
19 / 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:
12/25/2024 7:08:29 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Agent.OMN
825

avast!
Win32:Adware-gen [Adw]
2014.9-141101

AVG
Generic
2015.0.3303

Baidu Antivirus
Adware.MSIL.iBryte
4.0.3.14111

Bitdefender
Adware.Agent.OMN
1.0.20.1525

Comodo Security
ApplicUnwnt
19697

Emsisoft Anti-Malware
Adware.Agent.OMN
8.14.11.01.03

ESET NOD32
MSIL/Adware.iBryte (variant)
8.10655

Fortinet FortiGate
Adware/IBryte
11/1/2014

F-Secure
Adware.Agent.OMN
11.2014-01-11_7

G Data
Adware.Agent.OMN
14.11.24

IKARUS anti.virus
AdWare.Agent
t3scan.1.8.3.0

Malwarebytes
PUP.Optional.LookThisUp.A
v2014.11.01.03

McAfee
PUP-FRX
5600.6959

MicroWorld eScan
Adware.Agent.OMN
15.0.0.915

nProtect
Adware.Agent.OMN
14.10.31.01

Qihoo 360 Security
HEUR/QVM03.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.SeaBug.K
14.11.1.15

Sophos
Generic PUA DA
4.98

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:
11/1/2014 10:03:08 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:xWxhHS/BW9L8fAngoHiFgQTmCEIsH79S4VWmsSh14BSjOL9qxSSzP3gW/LEwXpzu:bIAIshiC0HSm/44jcuSQP//Lz9u

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://127.0.0.1:51003/

Local host port:
51003

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 fra07s28-in-f8.1e100.net  (173.194.112.40:443)

TCP (HTTP):
Connects to fra07s28-in-f4.1e100.net  (173.194.112.36:80)

TCP (HTTP SSL):
Connects to fra02s19-in-f0.1e100.net  (173.194.113.0:443)

TCP (HTTP):
Connects to ec2-23-21-79-199.compute-1.amazonaws.com  (23.21.79.199:80)

TCP (HTTP):
Connects to 87-98-147-90.ovh.net  (87.98.147.90:80)

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