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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 20 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:
bfbce7017efab0bd07b5c1ea5ae8f3d0

SHA-1:
fd9a0eeeb7c5c6f4f069c1ebb7891caa34b8462b

SHA-256:
59f8451f9bcd10c315f6874c6c10c9b3cdad39cb3900360bbf5b7a4bb43c01cb

Scanner detections:
20 / 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:
4/19/2024 8:32:47 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]
2014.9-140828

AVG
Generic
2015.0.3368

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14828

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

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Malwarebytes
PUP.Optional.OpenCandy
v2014.08.28.04

McAfee
Artemis!6C04318E1E19
5600.7024

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.8.28.16

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14826

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.240

VIPRE Antivirus
Opencandy
32442

File size:
491.8 KB (503,624 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:PKcfLFGvkXDZABydhxqQVAICjnXQFV6GxxYMR7:BjFGqHI6C0FkIx5

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 7 URLs.

http://skype.joydownload.pl/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJwwclKaVXsK7H9NWG90l8bOGCGCan TKc8gLNjztScBAqD9GzyCkzl7iTj36CTvNKbm2BBs5Q3gkdJF3ykACw2zZc79XLwW2KSA7ZewtW dCUMK7M1JQpIavGjCT08asWNLBgonue9RjQuO4/02/.../EZcrd2e2By9LrQg33m0CIxX7c2pGiC9oZrTkC4qdbdBV49 M3kporfvXUMj2wS7jtdFFyzoBgX0oZvtzEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxatrZp7VpsTGr4Hp5iNENJ1Xmb7ruNDC2wl5KdieeEKqtGb8lwqtrh8yfDR7OvD3zT0zwsmn40quF8Z6bg2gIq5Y6kQwbAGSsSTR3ntEo/DnxGWmYQLZOnJ6id2tWIfxwcwoEcKXyXGg8I4eOcwkpz6vnGDRjIdHg2q4/CGOosFjOm/trFpn esakfScFg5SvFqounhkf/ umxBitDf8x0my4VocI/.../jocTY2nViMqRIHI48PX8ruOOuHhtphVW61NdWUHW1FAaqqZvlzEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj pXP7oQlssmVY9fDKmGBLgNIWQ9b9npCC8/np5iNELJ1WkM/K8amG3g15eOHHaRLXzTfclyPpqx8yPBguQ7SS7BkX9qiLm3 fa7dPam3FKo4c7wF9GXmTxU2Ighshq9Cr UHH6G/UcnaS0c3JHdux6egoEcKX0XGg/.../HDb5oFGMlvhmFtXkLpbxKDJO1IK3G M2ylVVtMqon1OhZKtxlySjBslf786wAHPquYPWw3gybPVJQ44vO30it agDxEihBS6xZkAASeiDAz5sZv2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj pXP7oQlssmVY9fDKhEgqkP4CH4KEk5ib0oWJgytwPP0ykYrr8NWHomRcYbjLFXqv7Cr50ybxq1oXGTkzE7SS7BkT9qj/7mf6SpNjSg2JZqtY6gF9QFC/zGDU2nsAj7Cr5XHGSA7ZfwtW4bmMVY/.../KTgCjm80MTU32w Mv4WV49 M3kporfvXUMj2wS7jtdFFyzpDwT3p53mzEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNENJ1W Me/uNDC2wl5KM2GeEKqtGr8lh/1yz4WXBgaD/j3zT0z1smngyOfa7dPfm3EM Mtk3BIBRn3kAD1/hoNwqjnxGWmaSq5dy8HzPHQNbrMgeUdTZ/q1RHE8cs3ENBoljbPvUSwmcpexiLknBTCws1vE3/VqDoDoOIL3LSRO1Ji3HO0klxUW6Y36jlO7ZKl/hWr/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhr4coOQp h152L0sC8rlY9RagT1Y/j2PHmugA0MIGjPEeqtCrQ0xatrh8yeDR7SpnvqBx/9uXq0yP/SpMuByDdZqtY6gV9QVXS1AX1/lcMj7H jGSPFEfUZipvzPHQNbbMgbENGc/rlXTl1fsTcc1Ni1eOxAC18coT20eUxBm 6tFnE3/VqDoDrL576OjNO1IK3HuM2nhoU/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv U8/zOh/jwnickFbk3kYqn9OHKuyxdSMGmeX621E/Y9wrNyxdSWRAaS9T24VRLlszi1iP/Dr9reg2gIq5M6kQAKFC/.../rBAfhopj2zEI=

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