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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.ar.joydownload.co and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
cf7be44d9db84d9c765a429739c424ac

SHA-1:
4de82160b17874d8f80cad1708dce89c6f0b4512

SHA-256:
4c4c8c72de080b2fa31788c1ebb28bb9f6929720121d02061381709a0d3aeb2d

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:
5/20/2024 9:29:50 PM 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
7.11.176.28

avast!
Adware-gen [Adw]
2014.9-141003

AVG
Generic
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.Downware.6712
9.0.1.0276

ESET NOD32
Win32/JoyDownloader
8.10498

G Data
Win32.Adware.OpenCandy
14.10.24

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13550

Malwarebytes
PUP.Optional.OpenCandy
v2014.10.03.10

McAfee
Artemis!6C04318E1E19
5600.6989

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.10.3.10

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.141001

Sophos
OpenCandy
4.98

Trend Micro House Call
Suspici.218D75EB
7.2.276

VIPRE Antivirus
Trojan.Win32.Generic
33598

File size:
546.5 KB (559,616 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:UKc2L6mde/oL+Ay3KAFtBSPsqRRe+eVmmVLlblz6nqHA7t38:kw6L8+mA3eumixpGi

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 3 URLs.

http://skype.ar.joydownload.co/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqlGBj3cteQv I253eq ysyl4pHaAW7erC/NXa20hcDeyPZCeLkErE90e85mJOPDE b/ivyHgWs8TvqyKCV65nGxCses55ziVZIRjb Xix 18kq9Dn7WWWLS/9Wy83zbm5TerJxJRoFIa7yRHE8csjENE5qzPimRzQuIY/.../Pl7xmBpivNIa8ZDJW3suvHPsv3BcT55qr0gSsO hnnG sAMVP7MOyUXKquZKaiG95M6RIHI48O3RguuCtD0UinB3z3dpOAWu4WFms5Nn2zEI=

http://skype.ar.joydownload.co/get_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxat3Tv/FitCa /jk7jplSP0ykYr72LTDniRQNIGjPEeqtCuxul6trh8yfDR6Q j3zT0z1smngyOfa7dPfm3EM Mtk3BIBRn3kADx/.../ITgCjm88MTU32w Mv4WV49 M3kporfvXUMj2wS7jtdFFy3jAwj0o5vizEI=

http://skype.12-136-222005.542e8dc2359e9.jdcdn.net/get_file/6NMRIGE7MFnxpWID0wrt9w/1412340690/12/15/1/.../skypesetup.exe

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