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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from skype.joydownload.fr.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
a5215eac43c801cf0aae1857a476a6a5

SHA-1:
3f73d7710a7594b72f757c3c603dfd9722462df2

SHA-256:
199ff155de5228919bf1a82476112e34a9b5104958eb7ff16d46f71e58caa5f6

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
11/10/2025 5:37:27 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.08.22

Avira AntiVirus
APPL/Downloader.Gen
7.11.168.220

avast!
Adware-gen [Adw]
2014.9-140916

AVG
Generic
2015.0.3349

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14916

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.05190

ESET NOD32
Win32/JoyDownloader.D potentially unwanted application
7.0.302.0

G Data
Win32.Adware.OpenCandy
14.9.24

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Malwarebytes
PUP.Optional.OpenCandy
v2014.09.16.03

McAfee
Artemis!6C04318E1E19
5600.7005

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.9.16.15

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14914

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.259

VIPRE Antivirus
Opencandy
32442

File size:
493.3 KB (505,176 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
VeriSign, Inc.

Valid from:
5/19/2014 1:00:00 AM

Valid to:
5/20/2015 12:59:59 AM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska oblast, C=UA

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:
450EACFE8D673E82864CE46BC1A92FCA

File PE Metadata
Compilation timestamp:
5/20/2013 12:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:mKcfLc0snzO9wyQG2RXOIuludm7Cn3sovHSTGqMDxN/t3:Cjc0szO2bPXOIqudm+n3sMyy1HF3

Entry address:
0x333E

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 80, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 78, 4F, 43, 00, E8, A8, 2E, 00, 00, A3, C4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, F0, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, 7C, A3, 40, 00, 68, C0, 3E, 43, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

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

http://skype.joydownload.fr/get_file/wUiS4WnYccXBwj zXP7oQkEsml0kPjq1E1v4Y9bB9bpi/269qGt42doNK1XsK7H/NWH/mQBKOTqGEuLkErc90f0k1s3eDQ2b7S7qBwX9vnGt3aqN oyag2gIq5Y6kVRFVWSsSTR3ntF2vTnxGWmeSq4bkZm1aHBEerJxJR4FIfq/FiM9LdzFfxEjiKDkES4hfoD12q4/D2mwoA6W378wVdv4Mp68ZDJW2suvXrJt30gH5sv3jlLqKPMhhSflCclX/.../wgr4RV2mhGFi79ojvig==

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