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

Product:
Skype

Version:
1.0.0.0

MD5:
493c01018a90030f895b6c3cfcbe2681

SHA-1:
551fc8660750576ed8e6f6da62b9247657802351

SHA-256:
6a51f4d28475d5348e41f9cb0536df388f12f7e3b16d2ef3f3b7b291a2f3c2b4

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:
5/21/2024 4:55:30 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.08.26

Avira AntiVirus
APPL/Downloader.Gen
7.11.169.62

avast!
Adware-gen [Adw]
2014.9-151026

AVG
Generic
2016.0.2944

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.151026

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
9.0.1.0299

ESET NOD32
Win32/JoyDownloader
9.10312

Fortinet FortiGate
Riskware/OpenCandy
10/26/2015

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

G Data
Win32.Application.OpenCandy
15.10.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.1216

Malwarebytes
PUP.Optional.OpenCandy
v2015.10.26.06

McAfee
Artemis!6C04318E1E19
5600.6600

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
15.10.26.18

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.151024

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.299

Trend Micro
ADW_JOYLOAD
10.465.26

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32536

File size:
491.8 KB (503,616 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 3:00:00 AM

Valid to:
5/20/2015 2:59:59 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 2:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:XKcfLz/v4JlEN+Eq/86PqdE06YZ/itI2j4:Zjz/olENexle/24

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...
 
[+]

Entropy:
7.8566

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 URL.

http://skype.ar.joydownload.co/get_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GR/zcteQv A8/yan9np5ktEPL0ykYrj2LSrllEZTcWmOEfumGqc8gLNmztTIT0zIvXrqBx/9uX /g/PVqNjRlWgIq5c6kQoBRn3kADl/hoRwoH lHSCLS/9Wys3zc3MVY/o4LhIdMr38FXB8ctyIf08wh LuFCw3eofz1u48HGL5uF7Fjqk1WMeve4GkbnVWzaLmVKlx/.../yoJz2zEI=

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