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skype.exe

Tuguu S.L.

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 skype.exe by Tuguu S.L has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the TUGUU DomaIQ Setup installer. The file has been seen being downloaded from install-free.com.
Publisher:
Tuguu S.L.  (signed and verified)

MD5:
6d8ce37b4fc4a6879921e6d3d1081b6a

SHA-1:
6894074808b9f43bf89b3561f536832ced0f590f

SHA-256:
dee052db02a627ba9728e3e8d6c9c84890c5a23130064b4c58cdb64df5bb516d

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the DomainIQ download manager to bundle additional potentially unwanted software without adequate consent.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 3:49:22 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/DomaIQ.Gen
7.11.138.30

avast!
Win32:Dropper-gen [Drp]
2014.9-140321

ESET NOD32
Win32/DomaIQ.BB (variant)
8.9569

herdProtect (fuzzy)
variant of java.exe (Adware)
2014.5.15.6

IKARUS anti.virus
AdWare.DomaIQ
t3scan.2.2.29

Kaspersky
not-a-virus:AdWare.Win32.Lollipop
14.0.0.4139

Malwarebytes
PUP.Optional.DomalQ
v2014.03.21.02

McAfee
RDN/Generic.bfr!gf
5600.7185

Panda Antivirus
PUP/MultiToolbar.A
14.03.21.02

Reason Heuristics
PUP.TuguuSL.F
14.8.7.18

Sophos
DomainIQ pay-per install
4.98

VIPRE Antivirus
DomaIQ
27594

File size:
372.6 KB (381,544 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup

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

Digital Signature
Signed by:
Tuguu S.L.

Authority:
Starfield Technologies, Inc.

Valid from:
12/9/2013 6:56:54 AM

Valid to:
12/9/2014 6:56:54 AM

Subject:
CN=Tuguu S.L., O=Tuguu S.L., L=Adeje, S=Santa Cruz de Tenerife, C=ES

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4B49CE87BAE8BE

File PE Metadata
Compilation timestamp:
3/20/2014 4:24:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:7TLrvuVz6P7h0k1xDl5Usoqi31UaHbRYB:7THvuIPuk175Usov1Q

Entry address:
0x2509

Entry point:
E8, 1A, 32, 00, 00, E9, 79, FE, FF, FF, 6A, 0C, 68, 80, E1, 40, 00, E8, 0D, 01, 00, 00, 8B, 75, 08, 85, F6, 74, 75, 83, 3D, C0, 46, 41, 00, 03, 75, 43, 6A, 04, E8, 04, 34, 00, 00, 59, 83, 65, FC, 00, 56, E8, 2C, 34, 00, 00, 59, 89, 45, E4, 85, C0, 74, 09, 56, 50, E8, 4D, 34, 00, 00, 59, 59, C7, 45, FC, FE, FF, FF, FF, E8, 0B, 00, 00, 00, 83, 7D, E4, 00, 75, 37, FF, 75, 08, EB, 0A, 6A, 04, E8, F0, 32, 00, 00, 59, C3, 56, 6A, 00, FF, 35, BC, 43, 41, 00, FF, 15, 5C, C0, 40, 00, 85, C0, 75, 16, E8, DA, 09, 00...
 
[+]

Entropy:
6.4098

Code size:
41 KB (41,984 bytes)

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

http://install-free.com/.../skype.exe

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