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browser_update.exe

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 SL  (signed and verified)

MD5:
f22aef32a04a371f646bb9f95bbea9ef

SHA-1:
866c6ee5e01adace664896d2823f8f0a380bb0bd

SHA-256:
bf7ef996d6d0f8653c228b2acd39d52f88e154e92f6b2b6e1324a2936dee8023

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/23/2024 6:03:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu.Bundler (M)
16.6.5.10

File size:
177.1 KB (181,336 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
Tuguu SL

Authority:
DigiCert Inc

Valid from:
9/11/2013 7:00:00 PM

Valid to:
11/19/2014 6:00:00 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 4:50:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:MoPyys5jXJ6qIC+lkDvtJM/MyrRPWrf081CCKIsLuXMbHnA1mGjIJ3ZcA7W+Yy:MzfN+WDvtJuMyrQrs85KIRGsmrZcA6+d

Entry address:
0x323F

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, 98, 27, 7A, 00, E8, 09, 2C, 00, 00, A3, E4, 26, 7A, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, DC, 79, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, E0, 1E, 7A, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 80, 7A, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.7116

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.

http://ttb.yourplayersetup.com/download/request/.../Q7Dj5qzo?ClickID=222--391--1380981516.9331&PubID=${VURLID}&cb=736e6105b1

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