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upfst_br_361.exe

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The application upfst_br_361.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.
Publisher:
Tuto4PC.com  (signed and verified)

MD5:
e51ec36762a96eeffb930c531f5d322e

SHA-1:
14a6be522c89efbc27be558eda9b5cc1d347ec84

SHA-256:
92573873a92c1974c86012268e0beb4baf7185ea9239807bcbc60094941da407

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:
4/26/2024 8:35:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Eorezo.Tuto4PC.Bundler (M)
16.2.14.13

File size:
3.2 MB (3,304,904 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Eorezo Downloader

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\fst_br_361\upfst_br_361.exe

Digital Signature
Signed by:
Tuto4PC.com

Authority:
GlobalSign nv-sa

Valid from:
11/5/2013 2:27:40 PM

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

Serial number:
1121DD93F3AC652F954C795B593955887E31

File PE Metadata
Compilation timestamp:
10/6/2014 4:55:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:EiQr1ZJEFRkl01Fe012j4XgVUCCxvUsIpiG0zHTYqzF6oiiy8zC4Zvn:jQmF+VUBUBqX9R6oiiy8z

Entry address:
0x1F024F

Entry point:
E8, A2, BA, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 30, 83, 6E, 00, 75, 02, F3, C3, E9, 29, BB, 00, 00, 8B, C1, 83, 60, 04, 00, C7, 00, 60, 08, 69, 00, C6, 40, 08, 00, C3, 8B, FF, 55, 8B, EC, 8B, C1, 8B, 4D, 08, C7, 00, 60, 08, 69, 00, 8B, 09, 89, 48, 04, C6, 40, 08, 00, 5D, C2, 08, 00, 8B, 41, 04, 85, C0, 75, 05, B8, 68, 08, 69, 00, C3, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 57, 8B, F9, 74, 2D, 56, FF, 75, 08, E8, A6, 33, 00, 00, 8D, 70, 01, 56, E8, 33, 0F, 00, 00, 59, 59, 89, 47, 04, 85, C0, 74, 11, FF, 75, 08...
 
[+]

Code size:
2.3 MB (2,400,768 bytes)

Startup File (All Users Run Once)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

Name:
upfst_br_361.exe

Command:
C:\users\{user}\appdata\local\fst_br_361\upfst_br_361.exe -runonce


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