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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.es and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
036cc547202eba69b61de794ac691248

SHA-1:
0aedcdc7168fdfb6391094fcc7cf0fb9b0cbc598

SHA-256:
39340d77805708549ed5bdaaa2cbb0ca7256d2670264bca328e699bff19015d4

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:
12/27/2024 6:14:35 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.08.14

Avira AntiVirus
APPL/Downloader.Gen
8.3.1.6

avast!
Win32:Adware-gen [Adw]
2014.9-150914

AVG
AdLoad.OpenCandy
2016.0.2986

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15914

Bkav FE
W32.HfsAdware
1.3.0.7062

Clam AntiVirus
Win.Adware.Opencandy-8
0.98/21511

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.0257

ESET NOD32
Win32/JoyDownloader.D potentially unwanted
9.12093

Fortinet FortiGate
Riskware/OpenCandy
9/14/2015

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

G Data
Win32.Application.OpenCandy
15.9.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.2016890

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.1426

Malwarebytes
PUP.Optional.OpenCandy
v2015.09.14.06

McAfee
Artemis!036CC547202E
5600.6642

NANO AntiVirus
Riskware.Win32.OpenCandy.dqxwfl
0.30.24.3079

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
15.9.14.18

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.15912

Sophos
Generic PUA AC (PUA)
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.257

Trend Micro
ADW_JOYLOAD
10.465.14

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
42872

File size:
489.6 KB (501,384 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:
5/18/2014 7:00:00 AM

Valid to:
5/19/2015 6:59:59 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:
5/19/2013 6:53:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:KKcfLYvPUATUAHdu1I9cveLSEbgsCYSYY3ZnZ0dr/Lz:2jYvPUA99u1I2veLPEzTYYJnZI/n

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...
 
[+]

Entropy:
7.8556

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 4 URLs.

http://skype.joydownload.es/get_file/wUia6yjQOMzI2nSzUbjxCggkkkU3PCqsWxL0as6F6r9iuCfsqSt4yNEcLETuerC/NXW20gEQcjrOTvusQb82x7llw86bAguQ9GzyD0zl/.../Sg2FJoZEwhkdJF3ylACwx0NEivSH7UHGYUrcfwsbhPSVTMfpyc0lGdu2rRHE8csvENFh5xeGxAC1mcoH4w7tsUjyouRnFnftmFvHmOYL7DCQYmoGjSKFxjRZW54v3nxuhOrh ziauCIxX7c2pAyC9oZrTkC8qdbdAQ5Y2dA==

http://skype.joydownload.es/get_file/wUia6yjQOMzI2m6zUbjxEAgukxQ8PDK1WEGmcteQv A8/2T9pHp5iNEMJ1WjLKn3fHm9ykZZIGjPEe tCuNon 01htSWRAaS9T35D0/.../9WVSD65zma2LosGsf1JdClLHta1dPoVal93UgH5tH3jFz4a6x8kyqhCsQe5MSxUSCw54Ob2SYibaRCRpY2dA==

http://skype.joydownload.es/get_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GRv7cteQv E8/yG6sGMxwdoEP0b1Y/j2OXmulRwYayHZCeL ErQzw75nx8ebBAWavCX6BlSo 2m0yP/WpMufyD0f/tJzkV4BXnKtGGgsyJY79WjwW2eTUt8HgYe0VGJDLfkselBaIaS0XHl1ao2Xcgkp1avsGWUve4/giLRhHGL5uFjFjv5vFpn esGkfTcFi9O2XuMilQ8X74j5jV3qZel/.../Mz4SXrjoZCTnD4rJLxCRY4vbSZg8L72VF8j0gS7lNdBGT6iXUSz9ojvig==

http://skype.8-136-220405.53e6acd07ef75.jdcdn.net/get_file/9vPtyFHchra4_xiuhn2z0Q/1407630048/8/13/1/.../SkypeSetup.exe

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