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)

Version:
4.0.6.33

MD5:
41122620a16a454a4be963849f5c5914

SHA-1:
67c1e4c8d6d7563d6b56a179b0df01008238914f

SHA-256:
d4bccfaaac3fd99374139096b7a9df8c93177d880a7ed344bccadfce07b4a3bf

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:
11/27/2024 12:49:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu.Bundler (M)
16.7.7.22

File size:
311.9 KB (319,400 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
English (United States)

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:
7/14/2013 4:09:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:4+K0wdD+icP7f/Z1ILr3wp1F/SvlaRsI+cb+0YDmtnyhzc+Y9G2iNYT:5wdJcPzALjwl/SdcsI/b+0YDWscv9niK

Entry address:
0x30DC

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 78, 3F, 42, 00, E8, 73, 2D, 00, 00, A3, C4, 3E, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 80, F4, 41, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, C0, 36, 42, 00, E8, 1D, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 0B, 2A...
 
[+]

Entropy:
7.8780

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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