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

Product:
Skype

Version:
1.0.0.0

MD5:
6c04318e1e199c542649b4fed1f11078

SHA-1:
5b1c15a96136ea124198e0ace0a114aeb84042a0

SHA-256:
eec8164fdf92cac46cfe64df6f18ccca8327cd7672745980a6907f2d3bf4f8ff

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:
11/25/2024 6:52:30 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]
2014.9-140824

AVG
Generic
2015.0.3373

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14824

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.0236

ESET NOD32
Win32/JoyDownloader
8.10297

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Malwarebytes
PUP.Optional.OpenCandy
v2014.08.24.06

McAfee
Artemis!6C04318E1E19
5600.7029

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.8.24.6

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14822

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.236

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
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:vKcfLN3pUxAcT1TBHEShIvwYnys8TB8Jsa1eMGV8V5M/Wbw9e2iKnwm:hjN3ax91T+BvwjHTekN4OMw9eXm

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 40 URLs.

http://skype.joydownload.com/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqmHxz1cteQv A8/yWn9np5iNENJ1Xma73uNDC2w15KcTrYCeL ErQ8gLNmztTLWFDFqm3qBwX9u3GtivLQvNKbm2VBs8B4wwwAAWSsUzR0kMMg/Sr6UmqcS/9Wy83zbm5TerJxJRoFIa71RHE8cs/OLAl21eKkTndsPceuw Z2BGywoBmU1b85Fpn esakfScFg5SvFqounhkf/ umxBitDf8x0my4VocI/.../rBwfhoojvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhz4coqK6bYk5ib0o2x42bhVZAeyC 64ejOilRwNIGjPEeutCup00bIjzsGXFUvIoXunSwXlszi1iP/D6ICMg2gIq5M6kVdAVXGjDSx 18kq9DmjAzeLS/9Wys3zNjUVY/.../rFAz0oojvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNEMJ1WjLKn3fHm9ykZZIGjPEeqtCvNul6trh8ybDR6T/S7/CEHlszi1ivXbvI2B0iMX8Nx1wQlQXzWtDzRn15hgvn7oUSCTQ7ZOkZ61JTxEYrs4PRkNIaS0XHl1ao6Xcgkpz6vnGDQke4Pg2q4/CGOo5AWTyKouFpn esGkfXBb3tO2XuMilQ9Apcikzw3qZfN/.../UlK04Ijvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GR/zcteQv E8/zq9sGMxwdwEPwC Nu jeDCuyxdSMWmeXbDzCr50yb9q1sSfBguV D3zT0zxsmnqw7WI7IzKmjpBoJEwi1JGV3CvCDU2nsAj7GijDnGSGbZdw4TrMz0VPuBuegoEcKX2UnBtG5WHZk5B2eWhUjhwMNDg2q4/DGOo9h7dl7xmBZivcdClLHtf1dPkRL02lF4f74LvjFrqZel/.../Mz4SXrjoZCTnD4rJLxCRY4vbSZg8L72VF8j0gS7lNdBGT6iXUSz9ojvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJwwclKaVXsK7H9NWG90l8bOGCGCbD TKc8gLNiztScBR6avCX8BlSh4Sfqmf6SpNjcm3Eo txw1jYXEDPnFGs9wdEivSH8UHHMCPwFipLzPG4Nab0yJhkKO63 VXE8cs3ENFh72LPvSywkc8b40ucnSDDuoFGMlvlmFpC/ccWqaGNXnMu7F/.../UlK04Ijvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJxwclOdBP1Y/j2PHmuwVdeIGjPEeqtCuxul6trh8yfDR6Q/T3zT0z0smn80qHDpYDSkGgIq5c6kREGRn3kAD9/hsI79WjwXmmLFuUAndXqdD0GbLMgTENGc/qUAz46ONCbbk4wh LuECw3J8bg2q4/CWOo9QORyKArR4C2M8ioZWMJl4HkX7w2lEQf7Iz9hF3/.../JHkHy288YOb2SYjbaRCQoUvMjwps i1W0M1nB3z3dtOAS7jBwr3pIjvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqmHxz1cteQv A8/yWn9np5iNENJ1Xma73uNDC2w15KazrYCeLkErc90bhi1s3eDQ b7WyhWFT84XG gLbbrNPK1SdZqtY6gl9QVWSsSTRzntF/oXeuDyGLS/9Wy83zNjAGerJxJR4FIfq/FiM9LdzFfxEjiKHtFiEgeoTz2q4/.../UlK04Ijvig==

http://skype.il.joydownload.com/get_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxatrZp7Z rTy893p5ktEPKUfua7n1P3q7yxdSMWmeQrDzCr50ybtq1sefFQfS9S3yHgKzqnD8gfTbvNjKmiBBoJU6kQEbFzb7W3cw1p879WjwX2mLA cViJLzPHQNa7MgbEFbIaSuXHt0O8TILAl00/2wR2Q3c8b40ucnD267oFGMlv1mFs3 YsntZXZWzYbkQ7172F4H5sv3jlLqKPMhhSflCclX/.../wgr4RV2mhGFi79ojvig==

http://skype.joydownload.com/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv A8/yOn9np5iNEIJ1Xlarr7O3SuyxdSMGmeX621E/Y9wrNyxdSWRAaX9T2uUxqj7TmtgLbbrdPKkGRKs55ziVNIRiPvSmc3wdEipyH7XmOQQr1cy8bnPHQNa7Mgb0FbIaS0XHl1as/NIAkpz6vlEiw3LNyxkbFkRyz47kjE3/VpDoD K4vuOmNXnMu F/.../wgr4RV2mhGFi79ojvig==

http://skype.joydownload.com/get_file/wUia6yjQOMvI2nuzWf/oQkEsmVM8LVv8UVinA4mX8KMouC2rsGMxwd0EPxKvKOK amG3mV5ZNmOJE jH7UyyPpqxcaXFVjIvG kXQ y ietgLbbq9PK0jgC4cAiiBZIV3y1SWchhshw9CrxGWmaSq4akZPzPHQNbrMgLRoPN6/yRHE8csjENE190PWxUDQuO4/x2/80DWCouRnFn/V RMvpYsntZXJWzcC G/.../lSa0AsxP5YSxQXP799WCkW8qZrxRRJY2dA==

Latest 30 of 40 download URLs

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