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icreinstall_camtasia-studio-8-4-3-build-1792-32-bits.exe

No Zebra Network Ltda.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_camtasia-studio-8-4-3-build-1792-32-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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from install.nznweb.com.br and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
No Zebra Network Ltda.  (signed and verified)

MD5:
5736c5cb21ce5bbbf13a66954d87f007

SHA-1:
a1937ccc34dba5f6cf94536c41d6e2736ed527a0

SHA-256:
599288a21a1fccea90aff43f68dd93de2ed574b0202bd05f218f2d26c0cb70ee

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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 10:20:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.NoZebraNetworka (M)
16.1.14.18

File size:
668.5 KB (684,544 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_camtasia-studio-8-4-3-build-1792-32-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:gN3vpxzkWYGA6stQzZzQzAJiF3d6jcZ3mNG/YevlbpXC+Q:gRvLzVnGQOzAJiD6AANG/YIbpX5Q

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 icreinstall_camtasia-studio-8-4-3-build-1792-32-bits.exe has been seen being distributed by the following 4 URLs.

http://install.nznweb.com.br/nocache/programas/urls/iron/.../camtasia-studio-35-21-4102903.exe

http://gerenciador.nozebra.com.br/nocache/programas/urls/iron/.../camtasia-studio-43-7-4102962.exe

http://gerenciador.nznja.com.br/nocache/programas/urls/iron/.../camtasia-studio-84-91-4102982.exe

http://gerenciador.nzs.com.br/nocache/programas/urls/iron/.../camtasia-studio-22-1-4102961.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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