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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:
aca57234da78086b81bf038391a4bae8

SHA-1:
4d57e14d553a1f69df99d789f9ed775e72a2700a

SHA-256:
c070176508d9a33e722f8e89f2c519fee6e7c0c8f3d5990c5421f19d9e0d4c1f

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:
11/15/2024 6:12:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.21.8

File size:
1.1 MB (1,131,472 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:
12/21/2015 7:00:00 PM

Valid to:
12/21/2016 6:59:59 PM

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 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rxG8yBKFpF1H7y24RAVgXW/WQXBX6IIg/khGwqKOqE+DEQy:EBBAE24RtXW/nXp79/k0wOEzy

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:
6.9592

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=8569133&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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