browser_update.exe

Tuguu SLU

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 SLU 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 SLU  (signed and verified)

MD5:
791fa2401e6e93d178e16e0ac29a3bb5

SHA-1:
23772fe92e175bbb34534af1cc0b850cf54ddb53

SHA-256:
f55a44b33e98cb8a39b31f0af47b06915c24ebfd3476428a5b368cbcd7ae13b4

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:
4/23/2024 5:29:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu.TuguuU.Bundler (M)
16.1.4.6

File size:
449.9 KB (460,720 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
2/7/2013 5:00:00 PM

Valid to:
2/8/2014 4:59:59 PM

Subject:
CN=Tuguu SLU, OU=N/A, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Tuguu SLU, L=Adeje, S=Santa Cruz de Tenrife, C=ES

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
552127982028C352ADDA5CA8F6C0BAE7

File PE Metadata
Compilation timestamp:
11/21/2013 5:11:54 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:RsTNT/twIufKGckWVuWtk/TLL9hfPrQEto/Kt9tokISr8BXAd/RSXSEX22Yr2Bal:CSfKGckWVgSXSeyr2Bawf+ZekAANOW

Entry address:
0xD526

Entry point:
E8, 8F, 59, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, D8, 34, 42, 00, E8, F0, 22, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 70, A8, 42, 00, 77, 22, 6A, 04, E8, 7D, 5B, 00, 00, 59, 83, 65, FC, 00, 56, E8, 84, 63, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, FC, 22, 00, 00, C3, 6A, 04, E8, 78, 5A, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, E0, 0F, 87, A1, 00, 00, 00, 53, 57, 8B, 3D, A8, E0, 41, 00, 83, 3D, 1C, 95, 42, 00, 00, 75, 18, E8, 41, 51, 00...
 
[+]

Entropy:
7.3903

Code size:
113.5 KB (116,224 bytes)

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

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