browser_update.exe

Setup

Tuguu SL

The Tuguu download and install manager uses the DomalIQ installer to bundle additional adware offers such as toolbars and browser extensions during the setup process. This software distributes modified installers which are not the same as the original distributed by the author. The application browser_update.exe by Tuguu SL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the TUGUU DomaIQ Setup installer.
Publisher:
Tuguu S.L.U  (signed by Tuguu SL)

Product:
Setup

Version:
2.0

MD5:
870ad262dce43f4b3167e9653f36c59e

SHA-1:
12f5eb174d9fb20c9d7e9efaa8faeea848ec1887

SHA-256:
e3442476d41df863d7ef612df72f6593a08e26e8ac89de6e126828167480546a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles third-party components such as adware in the installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/25/2024 11:14:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu (M)
16.8.5.9

File size:
237.5 KB (243,240 bytes)

Product version:
1.2.2

Copyright:
Tuguu S.L.U

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\browser_update.exe

Digital Signature
Signed by:

Authority:
DigiCert Inc

Valid from:
9/11/2013 8:00:00 PM

Valid to:
11/19/2014 7:00:00 AM

Subject:
CN=Tuguu SL, O=Tuguu SL, L=Adeje, S=Santa Cruz de Tenerife, C=ES, PostalCode=38670, STREET=Calle Bentinerfe (Pol Industrial De La Atala) 35, SERIALNUMBER=B76539535, OID.1.3.6.1.4.1.311.60.2.1.3=ES, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0C6B6125B506B75A743332123041C893

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:RQIURTXJyq+CnpVKtrfJREWNWVohLHA/xhT4iLTB/HzFmLTIj5TY9:RsrnrKt7XJNWEc5pHBTFmGhY9

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8076

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file browser_update.exe has been seen being distributed by the following URL.

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