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.il.joydownload.com and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
3224ca6db9ed6dd4b81125495c685c1f

SHA-1:
2fb48f4ec5810665c8ab868ccf1cb5eb6e2553f6

SHA-256:
7f5fe50bc2b11a8ac7503104ab044dea297d0fd862b15d481bfe1139b02a8d33

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:
4/16/2024 4:05:04 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.08.19

Avira AntiVirus
APPL/Downloader.Gen
7.11.167.236

avast!
Win32:Adware-gen [Adw]
2014.9-140826

AVG
Generic
2015.0.3370

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14826

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.0238

ESET NOD32
Win32/JoyDownloader
8.10279

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Malwarebytes
PUP.Optional.OpenCandy
v2014.08.26.04

McAfee
Artemis!3224CA6DB9ED
5600.7026

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.8.26.16

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14824

Sophos
Generic PUA CP
4.98

Trend Micro House Call
Suspicious_GEN.F47V0722
7.2.238

VIPRE Antivirus
Opencandy
32352

File size:
489.8 KB (501,504 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
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:wKcfLJ7uahxnoGRgy9cvvLBbKMN9r7IPDRYIq:wjJFHtRgy2vvLBh9r1

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:
7.8569

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 21 URLs.

http://skype.il.joydownload.com/get_file/wUia6yjQOM7Cwj XOm6FVNv3RVqLTPkEh34cp I/KNj/269qGt42YJXeVXsK7H NWG9wkZTcWmPEfvkQeElyOBqxc3eDQqb7XmnUBKi mm0yP/SpMvZkmpZqtY6gF9QFC/zGDU2nsAj7Cr5XHGSA7ZewtWlcyUMK7MzJQoOIaS0XHx1apuGZkJg2bPvSywkfIX00uU0CmG6uRnFn/V QsvpYsntZXdWzcO/.../YghSflCc5Z5NXYGDCp5vLF3mlgeeMLEJY2dA==

http://skype.joydownload.com/get_file/wUia6yjQOMvI2nuzWf/oQkEsmVM8LVv8UVinA4mX8KMouC2rsGMxwd0EPxG4NO pfWG3g15bOHGNGOC1E/Y9wrlq1pLEREzNrma9Thrlszi1jv/D7YKR0TZZqtY6gF9QEi/.../kSa0Vocdt4XuUXKwuZCUmioib79HTII2dA==

http://skype.joydownload.com/get_file/wUia6yjQOMnI2niiRfO4HBAtwV03OzihHxz3ZNjbvqA87m/s4jEm2dBNJ0Tterr/OWG3g15ZMmmeT7DkWOlmivwimNSWRAaU9T27Vw 37Wm0yP/TpMuc1XFA4p8xiUdDRn3kADh/hpV2on vGHGSA7ZfwtXgND4VY/o4LBIdcPajRHEmcs/FZREhhrO9S3I3c8b40 cnD2uouRnFn/V QsvpYsntZXdWzcO/.../YghSflCc5Z5NXYGDCp5vLF3mlgeeMLEJY2dA==

http://skype.joydownload.com/get_file/wUia6yjQOMnI2niiRfO4HBAtwV03OzihHB/0Y9TWvqA87m/s4jEm2dBNJ0Tterr/.../5nnG sAcVP78WpSDrjsJuC2XV0db0aT4U2dA==

http://skype.joydownload.com/get_file/wUia6yjQOM3I2mmuF6G5QwMsilYkNHutGxLgI4WHp hv52T14WJxwclXdBP1Y/j2PXmuwVZKOSCGGOO1Xuxj0bIjzsCXFQ6T/yv4CVT8 3G i//D oCb0T8a6NBy30dJF3yiACw2z4ppqznxGWmaSq4ckZPzPHQNa7MgLhsJIaS0XH51apiXek4wh LuEyIvauapmK1gbTz 9xrRybc5Fpn esSkfScDg5XoX/.../kSa0Vocdt4XuUXKwuZCUmiojbrZFTIc2dA==

http://skype.joydownload.com/get_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhz4coqK6bYk5ib0o2x42bhVZAeyC 64ejOilRwNIGjPEe tCuNon 01htSWRAaS9T35D0/lszi1iP/D94CMg2gIq5c6kVRARn3kAD1/hoBwqjnxA2mYS/9Wys3zaHQVY/o4KBIddPapAiU4O9zFZREjjKv2Rn9mONmjmKh3Unux8VDKlu0vX9v9JdClLHtf1dP7RL02lF4f64Lvj1r4aqpwhSflCcxX/.../vig==

http://skype.il.joydownload.com/get_file/wUia6yjQOMvI2nuzWf/oQkEsmVM8LVv8UVinA4mX8KMouC2rsGMxwdgEPwS PKn3Znm9yxdSMWmeXbDzCr50yb9q1sSfBwiR j3zT0zxsmnqw7WI7IzKmjpBoJEwhVdKUXCkCDU2nsUj7H2lBjfMAq5Xi83iPSUGa7AgJFsFMKXlFiMrasWNLBgonqDnFDQuO4/.../9xSnux8VDOlu1tFpn esGkfSgFi9O2XuMmlQ8U75r2zlL5bqBnw3XlQ5MMp4L5H2vi8JuVkD5jPP8DEJY2dA==

http://skype.joydownload.com/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNEIJ1WyIPulfSauyw1SM2eMHeGkGL0wxLIjzsedDR7Fpmy4UBe /Tnjmf6SpNzSgyAQ6NVlkV4BXnWtGHgswNEivSH8UHGbQrxYyMLzPHQNa7MgbEFbIaSuXHt0O8TMLAlmyLPvUSwkcpfzw Z2BGqwoBqWyO1nR5i etCvbHdO1IK3H M2wF4H5sv3ilLqKfMrw3PhQN1Wrc29SWu/7M3Ez24ybPVJRo4vOHwqounkFxlrnE/.../yoYjvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv A8/yan9np5ktEPJgTta7HueSro0l8bOGWGCeulGLE3xqtrh8yfDR7Vuz3zT0z2smm mf6SpNrSgzoS9Yc7wF9AXmSmCCx 18kv9DmsBT/NFf5Ow4TrND0Vabo7PRNMOa73XGgrIY2OekpryeO4AC1mcoD4w65uRynvoFGMlvlmFsf1MJvsOmNXhsu8GeksnBsS5Iv4hhvyaqBnwXX6Vt1Wrc26R3P70MrZ2nlDMvIGBZpocSoxu6GtHhBzzk/.../rFAzwpYjvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXBwj pXP7oQlssmVx1NT6tCk6tPIiG9/E9rm/9qHpzyNIcJgTta7HuZiro0l8bOGGGCeilCr50yb9q1pPVR1XTqj3zVUz2vHu3iPPRr97amiBBo58ixxFQXzWtCzRnldEivSH5UHHfGehOw4TrMT0VarsyKxgKIaS0XHt/ctyaf1hi0PCtV2R5ao6x2 g/HCrh xqajvQvDpa3YpT3MyRO1IK3HO0ujX5OpMio7g28K prwmTzEcQe5MWxUSaqoZrTkCsqdfEaG9Bifjwxu6GtHhBzzk/.../rFAzwpYjvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxat7Zp6dy/269qGl42docJgTta7HufCro0l8BOGKHWOOkEqdxmu1yz4WXAQaD/S34CEbyqnD8gfbbvICBxXFA4p8yiUdDVmSsSTR3ntF2vTnxGWmeSq4bkZm1aHBEerJxJRwFIfmuCi9tc43EJx8onsK/W2ZwG9C2lK0rWyHvoFGMlvlmFsf1MJvsOmNXhsu8GeksnBQU7YD4hhvyb6p/hXj/.../rFAzwqojvig==

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