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icreinstall_skype-7-0-85-102-32-bits-1.exe

Prog

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_skype-7-0-85-102-32-bits-1.exe, “Prog Setup ” 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. 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)

Product:
Prog

Description:
Prog Setup

MD5:
a6e5069be2d8161262eeb03a4c038702

SHA-1:
4cbafcb723fec4584e99812a36ed1e6a1cc452b4

SHA-256:
c0bdd157130047a38fb7456573c0313911aca5453871e0bde1b5d3ba7e570d63

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:
4/25/2024 3:22:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.11.20.10

File size:
677.5 KB (693,800 bytes)

Product version:
3.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_skype-7-0-85-102-32-bits-1.exe

Digital Signature
Signed by:
No Zebra Network Ltda.

Authority:
DigiCert Inc

Valid from:
11/15/2014 10:00:00 PM

Valid to:
11/19/2015 10:00:00 AM

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

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
08358FED93954DE47B43406F0FC264E8

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):
12288:8BuWpASRvaHwsYZLCqackyHfbUyrrxAr8VBAfFEVAip0ca9IIvVBf/L+:8BuWySpaQs2kyHfbUExA4CFEVAq0ca3G

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 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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