b39d5fa12a4c5f4155733020dd933b76e06bc06a

NSB/AppStudio.Tatweer

NS BASIC Corporation

The file b39d5fa12a4c5f4155733020dd933b76e06bc06a, “NSB/AppStudio.Tatweer 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. It is installed within the Mozilla Firefox web browser as part of an addin/plugin. 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.Tatweer

Description:
NSB/AppStudio.Tatweer Setup

MD5:
bfafc8d604a220d4f1198b7e2937aa4d

SHA-1:
e822a164f2b4b0124a9446707be36c577e1fecb2

SHA-256:
5d4046d3123340351440de06ebcccb62ca57e8c627864f2ad99d39da61f82707

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 4:12:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.CSH (L)
17.1.20.1

File size:
33.1 MB (34,659,669 bytes)

Copyright:
Copyright 2016 NS BASIC Corporation

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\mozilla\firefox\profiles\{user}.default\cache2\entries\b39d5fa12a4c5f4155733020dd933b76e06bc06a

Digital Signature
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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