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firefox 64bit x64 38.0a1_2.exe

Software Application

WebSys, s.r.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox 64bit x64 38.0a1_2.exe, “Software Application Setup ” by WebSys, s.r.o 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 installCore installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Software   (signed by WebSys, s.r.o.)

Product:
Software Application

Description:
Software Application Setup

Version:
1.2.1.8

MD5:
49d3bc1f5df699934a45767f1c4f27df

SHA-1:
4ddb14f2ccbd5883681fab30f52db80d3d958281

SHA-256:
d149c32c8adff8db50b643f7932a3de53b5c4c5a075177823341d03dd9a98911

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore monetization platform to install additional offers that might include adware.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/26/2024 3:40:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.WebSyssr.Installer (M)
16.5.11.19

File size:
779.8 KB (798,528 bytes)

Product version:
1.0

Copyright:
Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\programs\firefox 64bit x64 38.0a1_2.exe

Digital Signature
Signed by:
WebSys, s.r.o.

Authority:
COMODO CA Limited

Valid from:
2/10/2014 7:00:00 AM

Valid to:
2/11/2015 6:59:59 AM

Subject:
CN="WebSys, s.r.o.", O="WebSys, s.r.o.", STREET=Namestie sv. Martina 9, L=Holid, S=Slovakia, PostalCode=90851, C=SK

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00B6DBC4D5DDB70F36487D154735DE96E7

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:PJVcxBD4u8R9tQ3SKoDBtqfKfHbCZKcvpP:PvWl8R9tESntqzppP

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:
7.8809

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

Code size:
39.5 KB (40,448 bytes)

The file firefox 64bit x64 38.0a1_2.exe has been seen being distributed by the following URL.

http://cdn.windows8downloadscontent.com/c?x=DGkt5LQ2UoENvF6IZ6EsR2fB/lkOIJCANg3ZzGv6PMk=&c=mdKBEgQ90nDT3COFDJS749QJn15xNOojmcVgI6Cydyw16bQI1ECNxLarAhdMOWb9OdZ1QuUCKLmJwNYSDWWbEA==&downloadAs=Firefox 64bit x64 38.0a1.exe&fallback_url=https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/.../firefox-38.0a1.en-US.win64.installer.exe

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