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skype-6-18-0-106-32-bits.exe

No Zebra Network Ltda.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application skype-6-18-0-106-32-bits.exe by No Zebra Networka has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from gerenciador.nzs.com.br.
Publisher:
No Zebra Network Ltda.  (signed and verified)

MD5:
62b155a61a750f6643ede9f6336b30a7

SHA-1:
a559231a718bbe00fd1e151cfaf1ede627424f10

SHA-256:
e2c8fe435aeef620a53fdb677320a45da03f5994188eb4b4f2c247dc1f33cfa4

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/16/2024 7:26:40 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3292

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141112

ESET NOD32
Win32/InstallCore.QL (variant)
8.10354

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

Malwarebytes
PUP.Optional.InstallCore
v2014.11.12.08

McAfee
Artemis!62B155A61A75
5600.6948

Reason Heuristics
PUP.NoZebraNetworka.Y
14.11.12.20

SUPERAntiSpyware
PUP.InstallCore/Variant
10241

Trend Micro House Call
Suspicious_GEN.F47V0821
7.2.316

File size:
673 KB (689,200 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\skype-6-18-0-106-32-bits.exe

Digital Signature
Signed by:
No Zebra Network Ltda.

Authority:
Thawte, Inc.

Valid from:
8/11/2014 9:00:00 PM

Valid to:
8/12/2015 8:59:59 PM

Subject:
CN=No Zebra Network Ltda., OU=IT, O=No Zebra Network Ltda., L=Curitiba, S=Paran, C=BR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
49D9BC150ECE10C921669720128B3CF3

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ADvpAFf8fPZqgDV+hKxdNuryvHZ50y1s3Ve10MupnVQsJ3h2gNEhi6ELo2uQJjWO:ADvSFf8nZI3yBOwWVIDwxh2g+ULLoUSv

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file skype-6-18-0-106-32-bits.exe has been seen being distributed by the following URL.

http://gerenciador.nzs.com.br/nocache/programas/urls/iron/.../skype-12-22-410291.exe

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