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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 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. The file has been seen being downloaded from install-free.com.
Publisher:
Tuguu S.L.  (signed and verified)

MD5:
893628d7123151c936b0de73b57f22ba

SHA-1:
77b6816d0151202e506417599f48297b0dfdc3bd

SHA-256:
ee16d2bdadf5b06ac76df653c68f994fa81567b6dcc22eccf88a130303342974

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:
12/25/2024 3:29:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu (M)
17.2.27.20

File size:
940.6 KB (963,184 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 8:56:54 AM

Valid to:
12/9/2014 8:56:54 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:
4/30/2014 3:56:48 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x43ED

Entry point:
E8, 5B, 2D, 00, 00, E9, 39, FE, FF, FF, E9, 7E, 18, 00, 00, FF, 35, 68, CE, 42, 00, FF, 15, 80, D0, 41, 00, C3, FF, 35, 68, CE, 42, 00, FF, 15, 80, D0, 41, 00, 85, C0, 74, 02, FF, D0, 6A, 19, E8, B8, 24, 00, 00, 6A, 01, 6A, 00, E8, 2A, 36, 00, 00, 83, C4, 0C, E9, 41, 36, 00, 00, 55, 8B, EC, 56, FF, 35, 68, CE, 42, 00, FF, 15, 80, D0, 41, 00, FF, 75, 08, 8B, F0, FF, 15, 7C, D0, 41, 00, A3, 68, CE, 42, 00, 8B, C6, 5E, 5D, C3, 55, 8B, EC, 83, EC, 10, EB, 0D, FF, 75, 08, E8, 4D, 39, 00, 00, 59, 85, C0, 74, 0F...
 
[+]

Entropy:
6.9971

Code size:
111.5 KB (114,176 bytes)

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

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

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