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sttest.exe

Speed Typing Test 2000

The application sttest.exe, “Speed Typing Test 2000 Setup ” 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, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Product:
Speed Typing Test 2000

Description:
Speed Typing Test 2000 Setup

MD5:
f836da8b00e6c0abba59419dfc49e7ad

SHA-1:
454a167ca85a112cb184a54c1c5e99e36c8b8b49

SHA-256:
ed23de27fd811dcdca10c2a185985ea443c3be061d703525cd118cd8e49aca3f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
11/17/2024 9:01:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE11 (M)
16.12.9.23

File size:
1.2 MB (1,236,603 bytes)

Copyright:
Copyright © 1999-2013 TestedOK Software.

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\sttest.exe

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:5naLAj3z1xv1Ti6cjVQPKk0pNrTYXelkWK/9g4isxQ9:5aMjDH9eXjV82CuTO9g4FY

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, E8, CD, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, CD...
 
[+]

Entropy:
7.9865

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

Code size:
37 KB (37,888 bytes)

The file sttest.exe has been seen being distributed by the following 3 URLs.

http://speed-typing-test-2000.software.informer.com/.../

http://download.freedownloadmanager.org/Windows-PC/.../FREE-3.4.html?ac2025

http://www.testedok.com/.../sttest.exe

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