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skype setup.exe

Hacoto

Download Helper

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application skype setup.exe, “Hacoto Setup ” by Download Helper has been detected as adware 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 AirInstaller Download Manager installer.
Publisher:
Download Helper  (signed and verified)

Product:
Hacoto

Description:
Hacoto Setup

MD5:
992becb5a1fca4d6f1753332e5c30c4f

SHA-1:
d14f0bebe58e9c3d153a3b16624947f3c4e7ee3a

SHA-256:
3978c742cb6b408313c5e8a977a15ed6fd5aa3d13c821022d91dfe37d8bf83b6

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
6/29/2025 1:19:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.30.9

File size:
1 MB (1,059,928 bytes)

Product version:
3.1.3

Copyright:
Stub Lite Software

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Helper

Authority:
thawte, Inc.

Valid from:
12/14/2015 7:00:00 PM

Valid to:
1/13/2017 6:59:59 PM

Subject:
CN=Download Helper, OU=IT, O=Download Helper, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
043093FC7662FF9C3666898F0BA7036B

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:yiW5uanPLLYQKz7OPsUSvJZ3E03yrDCenr+Fk6xcJ4MkdvuICcK:7wPLLbKiaZhMtr+FnxbdvuInK

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:
7.9252

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.applicationsbestcapital.com/NykpW ekQf1fPUQ8rv0a77aRhSNd8mwt9Rp2_GEBeXX9GSUHvz0wWZsmvYPbFSp9yqm6HiHBrXC0SHFQbnCWgJmvb5Ajnivqv_rWwXhPcptCPdXPTakkEm0Ms4RwMEYYSmCFhfXri89LY3k52jVq6kK0GeDNxQhffshggLhK3 8J33ZkfYnhFBQE20EqDU5ngjDvr2gB-Gz8AAETdFtsfTPEhLQwEH4a_qLABB26JNA0 iNzYxn06u7VEalgzcUsI9EJ0ZI70uT3WF4N9ZHwE

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