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Skype.exe

Skype

Download Assistant

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.exe by Download Assistant has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent.
Publisher:
Download Assistant  (signed and verified)

Product:
Skype

Version:
3.0.0.61

MD5:
5a434c5cb488ce8c5f99af9f87c2256f

SHA-1:
86597b6f90885abe6ab121c61b310b75d01fc2ba

SHA-256:
5b8c9621ccf50adef135e00e56a0cca9ae8fad0438e8fcd435a3033d612b5b0a

Scanner detections:
13 / 68

Status:
Adware

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:
4/16/2024 4:33:32 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.32
6296324

AVG
Generic
2015.0.3248

Bitdefender
Gen:Variant.Application.Bundler.32
1.0.20.1800

Emsisoft Anti-Malware
Gen:Variant.Graftor.169279
9.0.0.4668

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

F-Secure
Riskware.Gen:Variant.Application.Bundler
5.13.68

G Data
Gen:Variant.Graftor.169279
14.12.24

Malwarebytes
PUP.Optional.DownloadAssistant
v2014.12.26.02

MicroWorld eScan
Gen:Variant.Application.Bundler.32
15.0.0.1080

Norman
Gen:Variant.Application.Bundler.32
04.12.2014 14:30:06

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.DownloadAssistant.F
14.12.26.13

VIPRE Antivirus
Threat.4782985
35418

File size:
784 KB (802,808 bytes)

Product version:
3.0.0.61

Copyright:
(c) Download Assistant

Original file name:
Skype.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/13/2014 1:00:00 AM

Valid to:
8/13/2016 12:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, 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:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
12/22/2014 5:20:01 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:KNlLp1zdnY029Ve01uh1eWT8/0Ngani6aAKQZl3Mu65aSf8Pp43UoJpYEUpObRDY:OdcVe01ubfe0Mz8r65643UoJpXDnY

Entry address:
0x4CC8F

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, 00, 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:
7.1119

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

http://download.program-assist.com/v2/click/18a7551f/?d=http://www.installer-assist.com/download/SkypeSetup.exe&key=5b8e2efa78fefa60583e5c023e83dddb7f953efb483efe8317d3d8273ce502bf&sid=uk-Skype&uid=uk-Skype&affiliate_image=http://download-assist.com/admin/.../social-skype-box-blue-icon_i.png&product_image=http://download-assist.com/admin/.../social-skype-box-blue-icon_p.png&n=Skype&filename=Skype

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