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appstudio.exe

NSB/AppStudio

NS BASIC Corporation

The application appstudio.exe, “NSB/AppStudio Setup ” by NS BASIC 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 setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
NS BASIC Corporation   (signed by NS BASIC Corporation)

Product:
NSB/AppStudio

Description:
NSB/AppStudio Setup

MD5:
729703b54a80870c35ce0ccce5f2775d

SHA-1:
d053f1ac6b0446f7385de9d0d22be5dc34f8a089

SHA-256:
411e1bc9a579cf44206f71c6419465569f82920260ea4002f2cd6aa4ed7643c4

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:
4/29/2024 4:32:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.CSH (L)
17.2.11.6

File size:
36.1 MB (37,874,616 bytes)

Copyright:
Copyright 2017 NS BASIC Corporation

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

Digital Signature
Signed by:
NS BASIC Corporation

Authority:
COMODO CA Limited

Valid from:
5/9/2016 3:00:00 AM

Valid to:
5/10/2017 2:59:59 AM

Subject:
CN=NS BASIC Corporation, O=NS BASIC Corporation, STREET=71 Hill Crescent, L=Toronto, S=ON, PostalCode=M1M 1J3, C=CA

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

Serial number:
00F615F44C29C3910D0E1CE8B2827C3EA4

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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:
8.0000

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

Code size:
39.5 KB (40,448 bytes)

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