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skypesetup.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 skypesetup.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 an Internet Explorer cache folder. The file has been seen being downloaded from everydownload.softwaredelivery14.com.
Publisher:
Download Helper  (signed and verified)

Product:
Skype

Version:
3.0.0.134

MD5:
85e1bed496e5fbcffe9ad7c444c591f4

SHA-1:
8838c28c1d997585d875789afbfa9feb5b1a5529

SHA-256:
2ba5ea0b5bc382af4faabb6fa1d73f88c722c3f7ff78f60d3ee1596ba60ec8b0

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:
11/15/2024 9:39:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.15.4

File size:
1.1 MB (1,133,736 bytes)

Product version:
3.0.0.134

Copyright:
(c) Download Helper

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\skypesetup.exe

Digital Signature
Signed by:
Download Helper

Authority:
COMODO CA Limited

Valid from:
12/22/2015 5:30:00 AM

Valid to:
12/22/2016 5:29:59 AM

Subject:
CN=Download Helper, O=Download Helper, STREET=536 Herald St Unit 308, L=Victoria, S=BC, PostalCode=V8W1S5, C=CA

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

Serial number:
00D8A6413EB3267DC1CF0061798927B475

File PE Metadata
Compilation timestamp:
1/30/2013 7:51:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9624

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://everydownload.softwaredelivery14.com/v2/click/080af549/?d=http://software.every-download.com/skype.exe&sid=Skype-US-GEM&uid=8809151&key=0c965b4f96e0311c35fe99480c0f6d97b7cfe1840cc3e51913fa3f7e81afb2a5&affiliate_image=&product_image=https://s3.amazonaws.com/evdlimages/skype/product.png&n=Skype&filename=SkypeSetup&done_url=http://thankufordownloading.com/thank-you/&cancel_url=http://thankufordownloading.com/.../

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