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setup_gmsd.exe

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The application setup_gmsd.exe by Tuto4PC.com 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 Eorezo Downloader installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from dl.physetermacrocephalus.com.
Publisher:
Tuto4PC.com  (signed and verified)

MD5:
0b237a4655f086267f751feb3cde5885

SHA-1:
8c44062f4e6521987636eb92c0838490cd7abd25

SHA-256:
454bdc9746ee17d3794ce84797f310928160e95054f57c7ee893bfa2721ed2bd

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/24/2024 5:30:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Eorezo.Tuto4PC.Bundler (M)
16.6.23.14

File size:
5.5 MB (5,811,760 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Eorezo Downloader (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\setup_gmsd.exe

Digital Signature
Signed by:
Tuto4PC.com

Authority:
GlobalSign nv-sa

Valid from:
10/27/2014 1:32:39 PM

Valid to:
12/7/2015 5:27:40 PM

Subject:
E=contact@tuto4pc.com, CN=Tuto4PC.com, O=Tuto4PC.com, L=Paris, S=Ile-de-France, C=FR

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

Serial number:
11214E18677190942D49073E30C52D17C351

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):
98304:knSYZ9BPc6AA1e0jCNoMG4akv51tktUGlGgDfAjnIJ1Rmlc/yZHUZ7jxjzV:aH/PcxUCNoMG4akzt7ehDfAjw1RU6XtV

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file setup_gmsd.exe has been seen being distributed by the following URL.

http://dl.physetermacrocephalus.com/download/dwn/sfv7812/.../setup_gmsd_no.exe

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