home

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

Product:
Skype

Version:
1.0.0.0

MD5:
713280e41beacaef35091d0341417359

SHA-1:
cf74f8baf51032837de6ff92b96d3cd0b9fa51b0

SHA-256:
35b0492ef04583c7436ddfed9d9a8ccc96f56ef701d991ff06fa16a9c97ecfd9

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:
5/8/2024 9:51:04 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.08.22

Avira AntiVirus
APPL/Downloader.Gen
7.11.175.122

avast!
Win32:Rootkit-gen [Rtk]
2014.9-141003

AVG
OpenCandy
2015.0.3333

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14103

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.OpenCandy.47
9.0.1.0276

ESET NOD32
Win32/JoyDownloader
8.10483

G Data
Win32.Trojan.Agent.0F7Z7L
14.10.24

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Malwarebytes
PUP.Optional.OpenCandy
v2014.10.03.05

McAfee
Artemis!713280E41BEA
5600.6989

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.10.3.5

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.141001

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.276

VIPRE Antivirus
Opencandy
32442

File size:
496.8 KB (508,744 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:
Thawte, Inc.

Valid from:
9/19/2014 10:00:00 AM

Valid to:
9/20/2015 9:59:59 AM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
09A91C40EAE34E72CD975B0B218AE4BA

File PE Metadata
Compilation timestamp:
5/20/2013 9:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:AQgLMB5Y7gHwNc0HkmZ/ItaH/lHq+7zssqxNOCcuN0bm8p:RSMvY7Owaztolr7Yr1coWm8p

Entry address:
0x331F

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, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8642

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file skypesetup.exe has been seen being distributed by the following 8 URLs.

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJxwclOdBP1Y/.../hodt7CC5UGKTUr1Ow4TrND0VLuBmPRNMOan9RHh9ecnKIQkpz6vmGDR6O5f5kucyBHv96wSbw7gvFpn esGkfTIFi9O2ROMllF4f6YLv2wGkO7h 1CanB8VPjZzyAyyK5tXV2jJ1L NRTsc3P3Ux5arnRFg0nB3p3dxAEi3lDw72p57vig==

http://skype.il.joydownload.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxat/Zp6BvuXf1 2JzwJgELEfteu lfDPgkR0dcD eEKqtHb8lgOIphJOPDE b SXqWQ634Tnqmf6IpNjckGJNoZc5glZJF3ykACwzzZc79WjwXGmLQr5dz8PmJTxEYr04PU5Wb/rlXTl1ecrENHh5xeGxcXNhPcXshKVgHGL5uFjFjrsoFpn esOkfXBO1IK3H M2wF4H5sv3ilLqKfMrw3PhQN1Wrc29SWu/7M3Ez24ybPVJRo4vOHgiounkFxlrnE/.../xp4jvig==

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPTy1E1v4YtbB8ack5ib0o2JgyskFbk3maLHuayr/gAgJeybOR/usW78yyasjn4/dUh6avCX7BlSx4S tgLbbqNPKk2FKppE3kV4BXnCtGGs91JprqznxA2mYRL1dzsPkNTMBY/o4KxIdZfarA2h0O8TPIhEw7/qtUnNGLcG3kfNgRjyouRnFmvV Us3hJJfsfXof1cK3D gjng8eroL h0q4N/.../UlK04Ijvig==

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPTy1E1v4Y9bB9rpi/26nqGl5iNEIJ1WxN eoajGuyxdSMWmeGu6mCr50ybtq1pneFQfS9SjyHgGu5i/.../iSGJnn4Aj yHoGTjQAOlOw4TrNT0VLP0gJFsFMqXlV2h0O8TILAl3xOG9UHM3c9z40Ok0D2 sFzMlPQvDpa3YpT3MyRO1IK3HO0ujX5OpMio7g28K prwmTzEcQe5MSxUTmw54Ob2SYjbaRCRoIvMjwps i1W0M1nB3z3dtOAS7jBwr3pIjvig==

http://skype.il.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymGRDxYNras h152b0sDErn8kFbk3lYqn O2G3g15bOHHMQr21E/Y9wLNyxcWbFQfS9S3yHhm0qnD8gfLbvJ6BzzcU5tYiiBZIVny1Tnpnn4Aj/.../o4KRIdMa32UX54asWNLB0onve7TnJwOpf5kuc2BHu7tVvdl7xmBZK3Ypb3LDEAjoj4X7U2lF4f6ILvzgOxLv9nnG sB8VPuJ7nFmvi8JuRniYyBO0KBdFebDtm8PzyVU9zhVW61NdWUHW1FAaqqZvvig==

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhv4cpyK4fE9rm/9qHpzyN0cJgTtarHuYDCuyxdSNWmeXLD5TOpwgKtrh8yeDR7XpnvqBwX9vnGtiffQqd3fg2gIq5Y6kRYbAGSsUzR0n4Aj/SHoAzrNUrcfwsXrJTUDerJxJRkPOb2jDzk/JJ HY1l nqqnGCMvasapmK1gHGL5uF7Fjqk1WMeve4GkbnVWzaLmVKlx/.../rFAz0oojvig==

http://jdcdnnet.blob.core.windows.net/fas/wi/1/24/1/.../SkypeSetup.exe

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymGRD7aN/Xsuh152b0sCgrn8kFbk3kYqn9PHWuyxdSNmmeTbD7Tac8gLNhwMyPZFfYv3qbWQKy GXqw6DDpZrSkmlZ MxkkV4BXnStGDxxhshq9CjwSCDAFK5Xkc3gPHQNarMgcFsdOOz9UXBtP5eQckRlz7PvUSwncpe2lf8 TWO7uEjOjvQvDpG3YoT3O2NXnMu7F/smnRwS6Y/.../Mz4SXrjoZCXmz4rJLxCRY4vbSZg8L72VF8j0gS7lNdBGT6iXUSz9ojvig==

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