majfstusau.exe

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The application majfstusau.exe, “FST Setup ” by Tuto4PC.com has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the Eorezo Downloader installer. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup.
Publisher:
FST   (signed by Tuto4PC.com)

Product:
FST

Description:
FST Setup

MD5:
2ca531d87c65553803ad716b24b011cf

SHA-1:
a9177aedb8649363873bf66ce50f4bd887902263

SHA-256:
b0a31e01764a673865a8d0a955f5410151e308e0f28c959e5f3298019562dcba

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

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 9:23:03 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-ASG [PUP]
2014.9-140722

AVG
Generic
2015.0.3405

Clam AntiVirus
Win.Adware.Eorezo-91
0.98/21411

Dr.Web
Adware.Downware.3239
9.0.1.0203

ESET NOD32
Win32/InstallMonetizer.AX
8.10136

Fortinet FortiGate
Riskware/InstallMonetizer
8/8/2014

K7 AntiVirus
Trojan
13.180.12657

McAfee
Artemis!F52FF2C7768C
5600.7061

Reason Heuristics
PUP.Installer.Tuto4PC.K
14.8.8.3

Sophos
EoRezo Adware
4.98

Trend Micro House Call
Suspicious_GEN.F47V0710
7.2.203

VIPRE Antivirus
Trojan.Win32.Generic
31088

File size:
8.9 MB (9,371,216 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Eorezo Downloader (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\fst_us_170\download\majfstusau.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
11/5/2013 11:27:40 AM

Valid to:
11/6/2014 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 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DD93F3AC652F954C795B593955887E31

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):
196608:qig7WgjkDhle4zkIcp6D0Sd57KEqPkF8eLCYWkCI2Vgsd9gYgsG:qiSWJFgvIszDPBeLC+CzQhsG

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:
7.9996

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

Code size:
39.5 KB (40,448 bytes)

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