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bearshare_setup.exe

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application bearshare_setup.exe by Advertiso GmbH has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from securecloudfiledownload1415034244.s3-eu-west-1.amazonaws.com.
Publisher:
Advertiso GmbH  (signed and verified)

MD5:
afac7c58f0887d1ee5d8f44d647ab7ea

SHA-1:
d55994144a616a2a06fc9c439ebf6611427ce256

SHA-256:
d454e1d3d5f0b71aaec02a37b09655876b1ced72c7db07ad9f1e5ec59b91fb6a

Scanner detections:
5 / 68

Status:
Adware

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

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:
6/25/2025 2:49:49 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3301

ESET NOD32
Win32/InstallCore.QW (variant)
8.10665

Reason Heuristics
PUP.Installer.AdvertisoGmbH.P
14.11.3.20

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Trojan.Win32.Generic
34486

File size:
806.4 KB (825,712 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Advertiso GmbH

Authority:
GlobalSign nv-sa

Valid from:
9/29/2014 8:06:41 AM

Valid to:
9/30/2015 8:06:41 AM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E718DC758D9F04A17EF678927582DA13

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:b+xibEdDJ0Z8Xp9ZStOTIuNErvcz8BgN2:b0iQBmZ859ZSPxczI

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, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8606

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

Code size:
37 KB (37,888 bytes)

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

https://securecloudfiledownload1415034244.s3-eu-west-1.amazonaws.com/downloadsf/downloads/81597/.../bearshare_setup.exe

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