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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.8-136-220405.53dad2311add0.jdcdn.net and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
7ccd25ceca4952e8c21daa1dd527cc58

SHA-1:
e31acef0e3f6f0d1275346f3535172b5f7268815

SHA-256:
46ce03b89db8f618aba07681cc8f6628638270586c53d5e96a883b5fe688e101

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:
12/26/2024 12:00:24 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]
2014.9-160115

AVG
Generic
2017.0.2864

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.16115

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
9.0.1.015

ESET NOD32
Win32/JoyDownloader
10.10297

Fortinet FortiGate
Riskware/OpenCandy
1/15/2016

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

G Data
Win32.Application.OpenCandy
16.1.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.814

Malwarebytes
PUP.Optional.OpenCandy
v2016.01.15.03

McAfee
Artemis!6C04318E1E19
5600.6520

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.1.15.3

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.16113

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.15

Trend Micro
ADW_JOYLOAD
10.465.15

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32442

File size:
489.8 KB (501,520 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 7:00:00 PM

Valid to:
5/19/2015 6:59:59 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 6:53:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:VKcfLBK10AqnDTHAnxhqdKlPihDKFehS23RoT:bjBK1yHHAnxMdKloeFeQKQ

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.8-136-220405.53dad2311add0.jdcdn.net/get_file/tlg4JaDT2iXXjjekAAV2bg/1406853185/8/12/1/.../SkypeSetup.exe

http://skype.joydownload.es/get_file/wUia6yjQOMzI2m6zUbjxEAgukxQ8OzK1TkGuNc7Y9uk36W/swTM7i45teAOiKKWpdyauyxdSMWmeQrDzCr50ybtq1sefFQfS9SnyHhCo5C/qyefa7dPbm3FKopwiiBZIVny1Tnpnn4Aj/yHoW3GSA7ZfwtWhbmMVY/o4LBIdMqzxRHE8cs/.../kSa0Vocdt4XuUXKwuZCUmiogYLJETYw2dA==

http://skype.joydownload.es/get_file/wUia6yjQOM7Cwj XOm6FVNv3RVqLTPkEh34cp I/KNj/.../DGOo9h7dl7xmBZivcdClLHta1dPoVal93UgH5tH3jFz4aKl2kSivAcQe5MSxUSCw54Ob2SYibaRCR5Y2dA==

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