sdt_no_login.exe

SparksGen Limited

The application sdt_no_login.exe, “System Diagnostic Tool Setup ” by SparksGen Limited has been detected as a potentially unwanted program 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 Inno Setup installer. The file has been seen being downloaded from safeapzz.com.
Publisher:
System Diagnostic Tool   (signed by SparksGen Limited)

Product:
System Diagnostic Tool

Description:
System Diagnostic Tool Setup

MD5:
38cd2039f0ef242e751a8ee4a25112e9

SHA-1:
fec302867580f3924f60a785a24f9887f3215aad

SHA-256:
aadedd662c5d9f8a1959a9069d81985febd3509013383f0a1c1857374c5e523e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2026 11:50:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RegCleaner.Optional.Installer.Meta (L)
16.6.17.18

File size:
1.4 MB (1,428,776 bytes)

Product version:
1.0

Copyright:
Copyright © 2014-2016 System Diagnostic Tool

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
9/6/2015 8:00:00 PM

Valid to:
9/6/2017 7:59:59 PM

Subject:
CN=SparksGen Limited, O=SparksGen Limited, STREET=89 Urquhart Road, L=Aberdeen, S=Aberdeenshire, PostalCode=AB25 1BU, C=GB

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
533363EBA686E30282278C1492030BAA

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):
24576:zQiclF9Rsd46y8vlu2jOiBJ30Gc8V2iyD7W6VLO91/4eEZ5wV80faU0wlkqsSHrx:z9GF9K46ySj7BJEGc8VsDiULYpuEkU0Q

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:
7.9762

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

Code size:
39.5 KB (40,448 bytes)

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

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