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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.8-136-221747.53fbd9e75d68c.jdcdn.net and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
245fa0938419b1fa53548fb8c7f9d0f3

SHA-1:
f43c842457b7b5d771229f7cd47cca86888e9254

SHA-256:
d9a2989df14851078ace987aa47d92327399f841c50e968f29d8b5fd516f54f5

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 11:29:27 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]
2014.9-151103

AVG
Generic
2016.0.2937

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15113

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
9.0.1.0307

ESET NOD32
Win32/JoyDownloader
9.10297

Fortinet FortiGate
Riskware/OpenCandy
11/3/2015

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

G Data
Win32.Application.OpenCandy
15.11.25

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.180.12456

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.1178

Malwarebytes
PUP.Optional.OpenCandy
v2015.11.03.09

McAfee
Artemis!6C04318E1E19
5600.6593

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
15.11.3.9

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.151101

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.307

Trend Micro
ADW_JOYLOAD
10.465.03

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.4

VIPRE Antivirus
Opencandy
32442

File size:
491.8 KB (503,624 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 6:00:00 PM

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:4KcfLCczHwKBJX/EN+EqSHWNolnFN/gbowUs+GjRgIFAJnCq9EGDH0H:ojCczwIX/ENeSHc8j/cos+uRRF25xe

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.8-136-221747.53fbd9e75d68c.jdcdn.net/get_file/oKxg7ZBgwkSGkBMkNTkCww/1409017847/8/12/1/.../SkypeSetup.exe

http://skype.joydownload.es/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJxwclOdBP1Y/j2PHmuwVdeIGjPEeutCup00bIjzsGXFUvIoXunSwXlszi1iP/D6ICMg2gIq5M6kVdAVXGjDSx 18kt9DmsAz/MUrcfwsblPSVkM/Byentad q3SC83LdzFZREghrOgVjQuO4/z2/80HGL5uFzFjqkzWMboMtClLHtf1dO8Gug2lF4f7oLv1AGsfKE2nS6sEc5f/.../jocTY2nViMqRIHI48PX8rueOkFBNphVW61NdWUHW1FAaqqZLvig==

http://skype.8-136-221747.53f748827bd67.jdcdn.net/get_file/HEW1i7i_p_jOlJxMzjEOBw/1408718482/8/12/1/.../SkypeSetup.exe

http://skype.joydownload.es/get_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNEMJ1W4K6n3fHm7ykYfaz3YRK7kCr50yb9q1pDCW1jEvT3zT0z0smm jPTDpZrSkmlZ MxkkV4BXnStGD93hshq9Cr6UHHNGf8clJaocnVberJxJR0FIeysHzoqasWNLBgonue9RjQuO4/.../83DGi9tl3dl7xmB5ivM5v6fXoF1cm2XuMnlQ9VtNzvhhvybaBnli gEcQe5MWxUT2toZrTkC0qdbdRTsc3P3Ux5arnRFg0nB3p3dxAEyXkBwv0qpnvig==

http://skype.joydownload.es/get_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxL3as6Q7qp2uHf14WJ0wclYchuzPfnuNDC2w15KM2SNCeLkErY90f85kNSWRAaX9T36DkfwvHytgLbbrdPK0Tofs55ziVZIRnekDCx 18kv9DmvEiPAAulOw57rNjMHYbkzJxoMNKS0XHl1ao2Xcgkp1avsGWUveo/.../UlK04Ijvig==

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