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 34 anti-malware scanners. The program is a setup application that uses the TUGUU DomaIQ Setup installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent.
Publisher:
Tuguu SL  (signed and verified)

Version:
4.0.6.33

MD5:
27f6ff25761c8752435f42e575b460b0

SHA-1:
c23fc6ddf1100be367fcb3dc59b002784bd43242

SHA-256:
67af31560e3cf039615d4b337f817510a14c88abfe68a608af20e238299c5286

Scanner detections:
34 / 68

Status:
Adware

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

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:
4/24/2024 4:10:13 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.668036
889

Agnitum Outpost
PUA.DomaIQ
7.1.1

Avira AntiVirus
APPL/DomaIQ.Gen7
7.11.170.24

avast!
DomaIQ-AP [PUP]
140813-1

AVG
Adware DomaIQ.BM
2014.0.4015

Bitdefender
Adware.Generic.668036
1.0.20.1210

Clam AntiVirus
Win.Adware.Domaiq-135
0.98/19316

Comodo Security
Application.Win32.DomaIQ.KR
19360

Dr.Web
Trojan.Packed.24553
9.0.1.05190

Emsisoft Anti-Malware
Adware.Generic.668036
9.0.0.4324

ESET NOD32
MSIL/DomaIQ.B potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/DomaIQ
8/30/2014

F-Prot
W32/DomaIQ.F.gen
v6.4.7.1.166

F-Secure
Adware.Generic.668036
11.2014-30-08_7

G Data
Adware.Generic.668036
14.8.24

IKARUS anti.virus
AdWare.DomaIQ
t3scan.1.7.5.0

K7 AntiVirus
Trojan
13.183.13198

Kaspersky
not-a-virus:Downloader.NSIS.Agent
15.0.0.494

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.08.30.03

McAfee
Adware-DomaIQ
5600.7023

MicroWorld eScan
Adware.Generic.668036
15.0.0.726

NANO AntiVirus
Trojan.Win32.Downloader.cninza
0.28.2.61861

nProtect
Trojan-Clicker/W32.DomaIQ.319392
14.08.29.01

Panda Antivirus
PUP/MultiToolbar.A
14.08.30.03

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
TrojanDownLoder.AutoIt.Agent.AX
8.14.14.00

Reason Heuristics
PUP.TuguuSL.O
14.8.29.18

Sophos
Generic PUA GI
4.98

SUPERAntiSpyware
PUP.DomaIQ/Variant
10391

Trend Micro House Call
ADW_OPTI
7.2.242

Trend Micro
ADW_OPTI
10.465.30

Vba32 AntiVirus
OScope.Downware.DomaIQ
3.12.26.3

VIPRE Antivirus
Threat.4783262
32210

Zillya! Antivirus
Downloader.Agent.Win32.182185
2.0.0.1906

File size:
311.9 KB (319,392 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 5:00:00 PM

Valid to:
11/19/2014 4:00:00 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 1:09:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:w+K0wdD+icP7f/Z1ILr3wp1F/SvlaRsI+cb+0YDmtnyhzc+Y9G2iNYm:RwdJcPzALjwl/SdcsI/b+0YDWscv9nif

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 2 URLs.

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