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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 22 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 and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
7767c8a70a7ab8e04e96dd5738da7638

SHA-1:
594f74351714f0e048c1a615af1a96cf7f2217af

SHA-256:
cceb39cad79bf63095ae555669ddc9c3759f4ae3678cf027fc2147e891fb4f10

Scanner detections:
22 / 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:
5/17/2024 3:42:02 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.11.03

Avira AntiVirus
APPL/Downloader.Gen
7.11.182.216

avast!
Win32:Malware-gen
2014.9-141121

AVG
OpenCandy
2015.0.3283

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.141121

Clam AntiVirus
Win.Trojan.Agent-803351
0.98/21411

Comodo Security
Application.Win32.OpenCandy.~WD
18598

Dr.Web
Adware.OpenCandy.55
9.0.1.0325

ESET NOD32
Win32/JoyDownloader
8.10661

G Data
Win32.Trojan.Agent.8DVHRD
14.11.24

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.185.13866

Malwarebytes
PUP.Optional.OpenCandy
v2014.11.21.04

McAfee
Artemis!7767C8A70A7A
5600.6939

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.Installer.InnovativeSystems.K
14.11.21.16

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.141119

Sophos
OpenCandy
4.98

Trend Micro House Call
Suspicious_GEN.F47V1029
7.2.325

Trend Micro
ADW_JOYLOAD
10.465.21

VIPRE Antivirus
Opencandy
32442

File size:
497.1 KB (508,984 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
VeriSign, Inc.

Valid from:
5/19/2014 3:00:00 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 2:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:dQgL7WkABtJMN+EX92eTPUKA7NZYcplbZIgz:eS7WkABwN/92eTPUNRZY8ugz

Entry address:
0x331F

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, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8639

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file skypesetup.exe has been seen being distributed by the following 3 URLs.

http://skype.ar.joydownload.co/get_azure_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqlGBj3cteQv E8/zq9sGMxwdwEPwC Nu jeDCuyxdSNGmeTqHnQfdi0bI5zseZBg X/i7xDUL8 3G9geeV6svT0mlKq4cxkV4BXnKtGGgsyJY79WjwW2eTUv8HgYe0dGJDLfkselBaIaS0XHl1ao6Xcgkpz6vnGDQke4Pg2q4/.../rBAfhoZz2zEI=

http://skype.ar.joydownload.co/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPT61E1v4Y9bB87pi/269qG542dkML0fnban3fHm9wF5KZjrPW7X2UfB1n6trh8yYDR7SpGa4WVT8 3G7geeH94WNg2gIq5Q0iUcBDz/.../4O h1vyfKhxnj6tQMVe5NX7Gi37uNKamSYyZrVFV49 M3kporfvXUMj2wS7jtdFFy3iAw36oJzgzEI=

http://skype.ar.joydownload.co/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymGx3xZtTVveh152b0sCgrn8kFbk3kYqn9PHWuyxdSM2OGCb3 W/VrkvAlhpqPDE b iXqTx2 C6tgLbbrNPKziBZqtY6hF9QEy/.../rBAfhoZz2zEI=

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