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icreinstall_vdownloader_setup.exe

Catuhacun

Setup Alpha ((New Media Holdings Ltd)

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_vdownloader_setup.exe, “Catuhacun Setup ” by Setup Alpha ((New Media Holdings) 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:
Setup Alpha ((New Media Holdings Ltd)  (signed and verified)

Product:
Catuhacun

Description:
Catuhacun Setup

Version:
4.7.1.5

MD5:
82295e9ee604b25f8503c17c8c220c2f

SHA-1:
520349be078d1b295d17125a095e32e3ba72b25e

SHA-256:
20f9124e7509cbddd02054be9b2451d836d872e8252c8e8d582729e8f3f21881

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:
5/17/2024 12:47:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.5.26.9

File size:
1.3 MB (1,344,856 bytes)

Product version:
3.6

Copyright:
Wizard Lite Stub

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_vdownloader_setup.exe

Digital Signature
Signed by:
Setup Alpha ((New Media Holdings Ltd)

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 4:41:44 PM

Valid to:
5/25/2016 2:42:13 PM

Subject:
CN=Setup Alpha ((New Media Holdings Ltd), O=Setup Alpha ((New Media Holdings Ltd), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11216F55CB04783E0F0E5AC4C45115E1BCCC

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Qd0glPmINSKRkXb/2JKqTnWb875uqzslsBc2qPx0hOtNj0Rpv:QqcRkXFqTWbmuq5BclHN6pv

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...
 
[+]

Entropy:
7.3441

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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