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nsj8c8c.tmp

Tuto4PC.com

This is the Eorezo installer which may include software offers for unwanted programs including toolbars. The file nsj8c8c.tmp 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.gruscanadensis.com.
Publisher:
Tuto4PC.com  (signed and verified)

MD5:
2cc55796c4477f59502dab58ec36f4c9

SHA-1:
1af29aad45b09b497a7a758afb312bdf8733107e

SHA-256:
c73ee64cde5f419c26ada0e9173ba4d36bc6988b6e85fd0be0d3709fcade6fc8

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 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:
11/15/2024 5:30:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Eorezo.Tuto4PC.Bundler (M)
16.2.8.20

File size:
4.9 MB (5,142,712 bytes)

Bundler/Installer:
Eorezo Downloader (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\nsj8c8c.tmp

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:zCWJG8uTMRPWWylr1YWdjk0Z4pnUN2eLipAfyYS24b3nAD0lZnG0gViuxjYLd+aj:WKGKPW7uWdjJkQ2m6hXlZRgVBxjY5+PU

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 nsj8c8c.tmp has been seen being distributed by the following URL.

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

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