icreinstall_freewifihotspot.exe

TechEvolve GMBH

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_freewifihotspot.exe by TechEvolve GMBH has been detected as a potentially unwanted program 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 www.free-wifi-hotspot.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
TechEvolve GMBH  (signed and verified)

MD5:
34d17b9c51b2a143b149e05acabd36ca

SHA-1:
2f09490ed4b4a4c97efe5582a2d088eaf146fe25

SHA-256:
a2e507e48f4cecf333576cb7a5799bcb0c048a3da7d7b08962455c5594a2ab13

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/26/2024 6:19:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.1.30.20

File size:
666.8 KB (682,768 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_freewifihotspot.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/16/2012 5:30:00 AM

Valid to:
12/17/2015 5:29:59 AM

Subject:
CN=TechEvolve GMBH, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=TechEvolve GMBH, L=Beijing, S=Beijing, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
50FF3D5C361AE9F52E4B0A3CF576C6EE

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:jvvFaDjNybNE1LmjsidiHsWY7QbhxO+hvPTLS+MLDr+CjbnuIozoHRw0ETmOrKm:jnFCiEOdo7YqhxO+hvbLSTfbjDlozURU

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...
 
[+]

Entropy:
7.8933

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_freewifihotspot.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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