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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.11-136-221747.541d32bd4c03b.jdcdn.net and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
7a53bcb79a936f965024066ce6a9600a

SHA-1:
421b853d05d6bc10c711e0c7a5c64ee6a77e4fce

SHA-256:
173ba127149b7ecef7aba21a591282c69a943efefeff4023799c1d6ad237e62d

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:
11/25/2024 6:51:24 PM 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]
2014.9-160213

AVG
Generic
2017.0.2834

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.16213

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
9.0.1.044

ESET NOD32
Win32/JoyDownloader
10.10297

Fortinet FortiGate
Riskware/OpenCandy
2/13/2016

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

G Data
Win32.Application.OpenCandy
16.2.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.667

Malwarebytes
PUP.Optional.OpenCandy
v2016.02.13.04

McAfee
Artemis!6C04318E1E19
5600.6490

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.2.13.16

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.16211

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.44

Trend Micro
ADW_JOYLOAD
10.465.13

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32442

File size:
546.5 KB (559,608 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:xKc2LSw28d6Uc1ytEXGDqRRewMLnzLr1qONs+SLBCatlz6nqr+u:3wSw2DD1GgryxqK0LBCa3BZ

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 5 URLs.

http://skype.11-136-221747.541d32bd4c03b.jdcdn.net/get_file/C4p3QKdFr8ceoRwQId-Rzw/1411203277/11/15/1/.../SkypeSetup.exe

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxat/Zp6BvuXf1 2JzytBNJ0Xtev 4LXj/ylVSIGKeEKqtHr8llvEgnYTIFQfI9S78DUbysXy5g/Pa7dPbm3EN MEiiBZIUny1CDx0k8cu7CC5UGGTUuMf2syiPTANev5rcUxQdOzlXTl1fsTccER 2PSmAC1mcob4w wyD3ux8VDLlu06Xc7oYsntZXBY1dPeRqBkyn5Aqc29kw2wO7h 1CanA8VPup74AyW4 tTSxj4rJLxGT5Z YjZj5fCsXhBihATpjolWGG/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJ2wclYdBuyerC/NXK4ykY7aSrMToryXPB33ewokdSWRAaS9T2 VRLlszi1jf/DrNvZlmdMs55ziVZIRi/ Xix 18kr9Dn7X3GSA7ZewtWlcyUMK7MzJQoOIaS0XHl1ao2Xcgkp1avlEy1mcoP4w7tqUj3v8EjE3/VvDoC8d8O8ZDJW2cuvSKFkxl9A/.../yoJz2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqmHxz1cteQv A8/zyn9np5iNEMJ1Xmban3fHm ykYHcXGHWOOgEqdwmuc0m4HeFQfS9S74BlSj4Tj/16SY65uEg2gIq5A6kRYZHTbyGDU2nsAj7GijDnGSGbZdycyiPTMNeu9rc00dOOz9V351aq2Vb1t37/.../hS2lBd1Wrc29SWu8 9HJ2HkybO9JRIA8OXYms CnHBEihBS6xZkAASeiDAz5sZv2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNENJ1WkMe/uNCq2wVVTcWmOEfvjXKc8gLNhztScFQfS9SnyHhCo5C/qyefa7dPbm3FKppQiiBZIVXatGGos14N1r2K/GD LS/.../IYybNBB7hqDgEyclfYXw2eU TWO5uEiPxat D9G3c8i8bnJazcr F oujVtMuZr2zlL ZLh3lS2hB8hP5YSxQHP76sjEiCdjbbRJV4U4K3RguuCtD0UinB3z3dpOAWu4WFms5Nn2zEI=

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