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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 27 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.pl and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
bd5a00e031269c2c7ed6ff9b8e2395db

SHA-1:
41b70cd948c3bb9b13d0edc55e5906227f4548de

SHA-256:
53bcb49594606b83750939ba461a00d6ebf92b4298ff8951830ff99513eb2987

Scanner detections:
27 / 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:
4/17/2025 11:51:02 PM UTC  (a few moments ago)

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]
2014.9-160214

AVG
Generic
2017.0.2834

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.16214

Bkav FE
W32.HfsAdware
1.3.0.7062

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.045

ESET NOD32
Win32/JoyDownloader
10.10297

Fortinet FortiGate
Riskware/OpenCandy
2/14/2016

F-Prot
W32/OpenCandy.A.gen
v6.4.7.1.166

G Data
Win32.Application.OpenCandy
16.2.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.664

Malwarebytes
PUP.Optional.OpenCandy
v2016.02.14.03

McAfee
Artemis!6C04318E1E19
5600.6490

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.2.14.3

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.16212

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.45

Trend Micro
ADW_JOYLOAD
10.465.14

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

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 2:00:00 AM

Valid to:
5/20/2015 1:59:59 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 1:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:2KcfLMkZxPSZYhBllHcG1ibbOQdyAe3NF8yN8:yjMkfVHcSibbOQdyH3NzN8

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 6 URLs.

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj zXP7oQkEsml0kPjq1E1v4Y9bB9rpi/.../k46hYlRSLPxyMU1HZr38FXB9ctyRZQkpz6vjGDRiIdumjqp2HGL5uFnFjrk1UIC2M8ioZWNe3cC6Ge42lF4f7oLvzQGsfKE2nS sEc5e6NWwAHPvuYPGxXB0MvRRTsc3OnUxseWmDxEihBS6xZkAASeiDAz5sZv2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj zXP7oQkEsml0kPjq1E1v4ZNbB47pquHf14WJzz9EcThyuKO6fajf5gEoNejaeEKqtHr8lleY8kJPfFQfS9SzyHkfwuWm0yP/SpMubyDdZqsw6glRJF3ykACwzzZc79WjwXGmLQr5dz8PmJTxEYrs4PUdMIaS0XH11aomXeE99y L2GWUvfo/ghKV1VyvvoFGWlv5oBJu1dsOubnhXnMu F/tkxkkH5sv3jlLqb6lzhSflCc1X/IP/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNENJ1WnMe/uNDC2w15KM2CKCeLkErM90e8/mJLIRR6avCX7BlT2v3qtgLbbrNPKziBZqtY6hF9QEy/5XmEy19EivSH5UHHAGehOw4TrNT0VabsgJFsFMKXlECMrasWNLB0onqPmEyEhf5f5kuc3BHv 9kjE3/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymGBz2YNTTs h152T qHomkphOcRauLfmgLXj/ylFSICDXUqnyCr50yb1q1pDEW1mD9GzyDUL9qhjkwrWEzYyc1CNV9N1lkV4BXnStGGE2hshq9CzwSCTAHugDj4TzPHQNa7Mgb0FbIaS0XHl1as/NIAkpz6vnGDR8IdHg2q4/DGOos1jdl7xmB5ivM5v6fXoF1cC8FqounBcHq9Gpn1O7ZKx/.../ypJv2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJwwclKaVXsK7H9NWG90l8bOGWGCbzvWOx1lqtrncycAw2R/yb Dk70szi1iP/D94CMg2gIq5c6kVRARn3kADp/hpVwon7oUSCTQbhW2qS6fndSC x2algRZueiRHE8csjENE190PWxUDQuO4/x2/.../V R8vpYsn3ZXBd1IK3H M2wF4H5sv3ilLqKfMrw3PhQN1Wrc24SWup6sWCkW8qZLxRRIc7K3RguuGtD1w42gS7lNdCGT7jBAz0p532zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqmHxz1cteQv E8/yG6sGMxwdoEP0b1Y/j2PHmugA0MIGjPEeqtCrQ0xatrh8ybDR7HoHOsWQTlszi1iP/.../K3RguuCtD0UinB3z3dpOAWu4WFms5Nn2zEI=

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