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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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from skype.joydownload.pl and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
02f1a2c9462cd678a0f54d5ba8e79a5d

SHA-1:
93b1b3e5179899ad56b4165194f0227a4e263158

SHA-256:
72e165a0f99c935f029a5f06b44625a34597598fecce05cf53d6939749dd4448

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 6:21:23 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]
2014.9-160208

AVG
Generic
2017.0.2840

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.1628

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
9.0.1.039

ESET NOD32
Win32/JoyDownloader
10.10297

Fortinet FortiGate
Riskware/OpenCandy
2/8/2016

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
14.0.0.693

Malwarebytes
PUP.Optional.OpenCandy
v2016.02.08.11

McAfee
Artemis!6C04318E1E19
5600.6496

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.2.8.11

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.16206

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.39

Trend Micro
ADW_JOYLOAD
10.465.08

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32442

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}\appdata\local\temp\{random}.tmp\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):
12288:9Kc2LyYdRMp1VUu9W9/LQ8hnuZRMLnzLP1qONskSLBCal7Vbw1OKNa:Twyj1Y/LQ80by9qK2LBCas4KNa

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 2 URLs.

http://skype.joydownload.pl/get_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymGhr0ZdrVs h152T qHomkphOcRauLfmgLXj/ylFSICDXUqnyCr50yb9q1pDCW1jEvT3zT0z0smm9j/zDpZrSkmlZ MxkkV4BXnStGD9whshq9CjwSCDAFK5Xkc3gNjxEYro4PV5WZ738FXB5ctzMJBkijaP2GWUveo/glaknBSqws1Ddne1nR5i/etDxLGNXnMu6F/tjxkNBss n1O7ZKl/hWz/.../2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv E8/yG6sGMxwdoEP0b1Y/j2PnO20gABcSPQSqDiWuklyPpqwcyPRFfYv3rqBwX9vHGt3ayN 8vT0mlKpZ8iwA4LFCPkX3ow1N18tn7oUSCTRrZOnY hbnVSerJrJRkLMq32UX95ec/FZREhhrOkS3I3c8b40ucnD2q8oFGMlvlmFsTiLJb7LWNXnMu F/smmxQH5sv3jlLqN/.../Ma UXKquZKaiGp5M6RIBo47M20hsuCnHBhzhVW61NdWUHW1FAaqqZvlzEI=

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