setup_gmsd_br.exe

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The application setup_gmsd_br.exe by Tuto4PC.com has been detected as adware by 31 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. The file has been seen being downloaded from dl.gruscanadensis.com.
Publisher:
Tuto4PC.com  (signed and verified)

MD5:
af8f63e49d3e5b570ff95f6b278d58b2

SHA-1:
3b80a496bb9eae070e78a08abab62e602f4ba835

SHA-256:
ed43c5a43908bd4514a64838648e6e8a087c556b8332ef7a482638f0e1153979

Scanner detections:
31 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/18/2024 4:55:07 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Eorezo.BZ
5563062

Agnitum Outpost
PUA.Eorezo
7.1.1

AhnLab V3 Security
PUP/Win32.EoRezo
2015.05.27

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

avast!
Adware-ASG [PUP]
150525-2

AVG
Generic
2016.0.3097

Baidu Antivirus
Adware.Win32.EoRezo
4.0.3.15527

Bitdefender
Adware.Eorezo.BZ
1.0.20.735

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
UnclassifiedMalware
22250

Dr.Web
Adware.Downware.10601, Adware.Downware.9051
9.0.1.05190

Emsisoft Anti-Malware
Adware.Eorezo.BZ
10.0.0.5366

ESET NOD32
multiple threats
7.0.302.0

Fortinet FortiGate
Adware/Eorezo
5/27/2015

F-Prot
W32/S-c61ac5f0
v6.4.7.1.166

F-Secure
Adware.Eorezo.BZ
5.14.151

G Data
Adware.Eorezo.BZ
15.5.25

K7 AntiVirus
Adware
13.204.16042

Kaspersky
not-a-virus:AdWare.Win32.Eorezo
15.0.0.543

Malwarebytes
PUP.Optional.Tuto4PC.A
v2015.05.27.11

MicroWorld eScan
Adware.Eorezo.BZ
16.0.0.441

NANO AntiVirus
Riskware.Win32.Eorezo.dqhcld
0.30.24.1636

Norman
Adware.Eorezo.BZ
03.12.2014 13:20:04

nProtect
Adware.Eorezo.BZ
15.05.27.01

Panda Antivirus
Trj/CI.A
15.05.27.11

Qihoo 360 Security
Win32/Virus.00e
1.0.0.1015

Quick Heal
PUA.AdwareEorezo.DC8
5.15.14.00

Reason Heuristics
PUP.Eorezo.Bundler
15.5.27.7

Sophos
Generic PUA DL
4.98

Vba32 AntiVirus
AdWare.Eorezo
3.12.26.4

VIPRE Antivirus
Threat.4895339
40552

File size:
4.9 MB (5,143,280 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\inetcache\content.ie5\fxz6o3aw\setup_gmsd_br.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

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

Valid to:
12/7/2015 2:27:40 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:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:6qEs7r5Nr4dccPbI31C4UmHtC1BmwKWTgJjBPhhr0IUaOUxjr:1EsZ6ccuVrwRTGNPzVUPUxX

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_br.exe has been seen being distributed by the following URL.

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