setup_gmsd_us.exe

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The application setup_gmsd_us.exe by Tuto4PC.com has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the Eorezo Downloader installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dl.gruscanadensis.com.
Publisher:
Tuto4PC.com  (signed and verified)

MD5:
1b37a7e6657ba02f318e20d43cf705d2

SHA-1:
a077efcb01b28cba318b54d8c5955e535abefcbd

SHA-256:
a65626eaddbe4d7b0461c77b41a7e283ec1ef6f6369d9ea80d4aff44de08cdfb

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/20/2024 5:30:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Eorezo.BZ
675

AhnLab V3 Security
Win-PUP/EoRezo
2015.03.31

Avira AntiVirus
PUA/InstallCore.Gen7
3.6.1.96

avast!
Win32:Adware-ASG [PUP]
2014.9-150331

AVG
Generic
2016.0.3153

Baidu Antivirus
Adware.Win32.EoRezo
4.0.3.15331

Bitdefender
Adware.Eorezo.BZ
1.0.20.450

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Downware.10601
9.0.1.090

Emsisoft Anti-Malware
Adware.Eorezo.BZ
8.15.03.31.10

ESET NOD32
Win32/AdWare.EoRezo.AU (variant)
9.11401

F-Prot
W32/S-c61ac5f0
v6.4.7.1.166

F-Secure
Adware.Eorezo.BZ
11.2015-31-03_3

G Data
Adware.Eorezo.BZ
15.3.25

K7 AntiVirus
Adware
13.202.15430

Kaspersky
not-a-virus:AdWare.Win32.Eorezo
14.0.0.2260

Malwarebytes
PUP.Optional.MyBestOffersToday.A
v2015.03.31.10

MicroWorld eScan
Adware.Eorezo.BZ
16.0.0.270

NANO AntiVirus
Riskware.Win32.Eorezo.dpugnu
0.30.8.659

nProtect
Adware.Eorezo.BZ
15.03.30.01

Quick Heal
PUA.AdwareEorezo.DC8
3.15.14.00

Reason Heuristics
PUP.Bundler.Eorezo
15.3.31.23

Sophos
Eorezo
4.98

VIPRE Antivirus
Tuto4PC
38916

File size:
3.2 MB (3,363,456 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Eorezo Downloader (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup_gmsd_us.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
10/27/2014 8:32:39 AM

Valid to:
12/7/2015 11:27:40 AM

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:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:mE1qUn7NWCt+9olDZZqso/HGh++pEVFTiXaOUxjEB:30U7MKLTJNhxpEVpiXPUxQB

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...
 
[+]

Entropy:
7.9981

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

Code size:
39.5 KB (40,448 bytes)

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

http://dl.gruscanadensis.com/download/trasgo/clickmein/.../setup_gmsd_us.exe

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