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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 27 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.8-136-221747.540bb2a88ebc6.jdcdn.net and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
453111339f9b2d613c9530661d53baf1

SHA-1:
16d366dcf402112ff75fb5d2d832be61b16575f9

SHA-256:
f27e2c9b00f2ecea929ba6c3b1b1caee9e674718dd187a6c6d50d35ef0a3c7db

Scanner detections:
27 / 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:
5/7/2024 9:41:09 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]
2014.9-151209

AVG
Generic
2016.0.2900

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15129

Bkav FE
W32.HfsAdware
1.3.0.7062

Clam AntiVirus
Win.Trojan.Opencandy
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.Downware.6712
9.0.1.0343

ESET NOD32
Win32/JoyDownloader
9.10297

Fortinet FortiGate
Riskware/OpenCandy
12/9/2015

F-Prot
W32/OpenCandy.A.gen
v6.4.7.1.166

G Data
Win32.Application.OpenCandy
15.12.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.997

Malwarebytes
PUP.Optional.OpenCandy
v2015.12.09.03

McAfee
Artemis!6C04318E1E19
5600.6556

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
15.12.9.15

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.151207

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.343

Trend Micro
ADW_JOYLOAD
10.465.09

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32442

File size:
493.3 KB (505,176 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:
5/18/2014 9:00:00 PM

Valid to:
5/19/2015 8:59:59 PM

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:
5/19/2013 8:53:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:qL2cIe5LYPJh4yq7HAShRaICsQG2fbH/VVIh57ukxCJ7rZFQXf3pvGho5neVqHQf:qKcfLYj4nHAOwyQGGzInjxqELnc8VyNP

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.8-136-221747.540bb2a88ebc6.jdcdn.net/get_file/zuQjRPwWfypF-xKwt8W42g/1410056376/8/12/1/.../SkypeSetup.exe

http://skype.joydownload.es/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv I253eq ysyl4pHaAW7erC/.../tx111Mr93vhgHyb651niuvAMhd58z4SXvjodXUiCdjbbdJV4UvMjwps i1W0M1nB3z3dtOAS7jBwr3pIjvig==

http://skype.joydownload.es/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJxwclIdBP1Y/j2OXmuwlZZNWeLCeLkErM90e8/mJLIRR6avCX7BlT2v3qtgLbbrdPKyDofs55ziVdIRnelGDU2nsAj7GujDnGSA7ZfwtXgNDEVY/o4LRIdbOzlXTl1f8TcYUJ82P6jUTQuO4/02/9gRinj8A/dl6ZmBZa8cMGnaXNb2sr F oujV5MuZr21FLwZel/.../wgr4RV2mhGFi79ojvig==

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