setup.exe

Skype

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 setup.exe 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. It is also typically executed from the user's temporary directory.
Publisher:
Download Helper  (signed and verified)

Product:
Skype

Version:
3.0.0.64

MD5:
11fa8131cbec613e8266cf6db0ecadfd

SHA-1:
1c8cfa3f849037ffd5c4c960b2dc3d447a2a29dc

SHA-256:
286b86f0da4a29bf8d9e4f569148784dfa221382177ccd6f04908be48228079c

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 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:
6/1/2024 10:17:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.16.10

File size:
785.2 KB (804,008 bytes)

Product version:
3.0.0.64

Copyright:
(c) Download Helper

Original file name:
Skype_Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\c3rbvuuo\setup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/28/2014 12:00:00 AM

Valid to:
11/28/2015 11:59:59 PM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
4263E777B200F4E7A16FDB1764B87576

File PE Metadata
Compilation timestamp:
1/15/2015 5:43:12 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x4CDAF

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 20, 4F, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.1170

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