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skype-6-20-0-104-32-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-6-20-0-104-32-bits.exe by No Zebra Networka 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 installCore installer. The file has been seen being downloaded from gerenciador.superdownloads.com.br and multiple other hosts.
Publisher:
No Zebra Network Ltda.  (signed and verified)

MD5:
b1ca4d7dcb0bc84be4016c0fb7ac516b

SHA-1:
fd70613977f60c205ce971a0ac0e999637ee07e7

SHA-256:
fdc5d1fde1b0e44cfbc19132d0afb38c710091ebf5a5fec72770eedd94e0a999

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/5/2024 2:32:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.NoZebraN (M)
16.3.11.5

File size:
673.8 KB (689,960 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\skype-6-20-0-104-32-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:NbFaod+Px/iibFpdLvn9FvNjrxUT4RffXSTXSa3W/WxqzzPvHabu7aphwDXIfFrq:NbFRdq/DLvnXUT4FKPWeUfv6bRphwcs

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, BF, A9, FF, FF, E8, 5E, 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-6-20-0-104-32-bits.exe has been seen being distributed by the following 2 URLs.

http://gerenciador.superdownloads.com.br/nocache/programas/urls/iron/.../skype-23-8-4102011.exe

http://install.nznweb.com.br/nocache/programas/urls/iron/.../skype-44-6-4102011.exe

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