icreinstall_tubemaster-2.7.exe

SILICOM INTERNET, S.L.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_tubemaster-2.7.exe by SILICOM INTERNET, 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 installCore installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from dw.html.it. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
SILICOM INTERNET, S.L.  (signed and verified)

MD5:
bc541215b176e9fe263737d990e54b32

SHA-1:
016a6102cafdf44a4fbeae4f7d7fa79980730b95

SHA-256:
a184b43d48ed7675bd20e79b3feba558eb8f96cdc7286e80eaea7a23d09b68b0

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:
4/27/2024 12:48:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SILICOMINTERNET (M)
16.2.12.13

File size:
674 KB (690,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_tubemaster-2.7.exe

Digital Signature
Authority:
DigiCert Inc

Valid from:
10/25/2013 2:00:00 AM

Valid to:
10/29/2014 1:00:00 PM

Subject:
CN="SILICOM INTERNET, S.L.", O="SILICOM INTERNET, S.L.", L=Villaviciosa de Odon, C=ES

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

Serial number:
06C80396B3808BBD5B05A86D48465401

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:z5vpejiheiYGVpJDgAEcGtKXxzz8enXwjexqg84UvcKqzlt6NcIo:z5v0VRUJUAh6KxnFAj4qg8rvMzlPIo

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_tubemaster-2.7.exe has been seen being distributed by the following URL.

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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