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skypesetup.exe

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 15 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from skype.joydownload.com and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

MD5:
528acc8e2360b141f54d753bf6982e3f

SHA-1:
ae47756bced057a94c373c266de8b59bf32c38d3

SHA-256:
02cda5f4048419c2114a189882ddc8f8aa77f8cd83e8587077e60507d6753378

Scanner detections:
15 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
11/25/2024 10:46:02 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen
7.11.198.70

AVG
Generic
2016.0.3096

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15527

Comodo Security
ApplicUnwnt
20501

ESET NOD32
Win32/InstallCore.QW (variant)
9.10933

Fortinet FortiGate
Riskware/InstallCore
5/27/2015

K7 AntiVirus
Trojan
13.188.14468

McAfee
Artemis!528ACC8E2360
5600.6752

Qihoo 360 Security
Win32/Virus.Adware.f22
1.0.0.1015

Reason Heuristics
PUP.Installer.InnovativeSystems
15.5.27.15

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.R0C1C0OLC14
7.2.147

Trend Micro
TROJ_GEN.R0C1C0OLC14
10.465.27

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
36130

File size:
769 KB (787,424 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:98Fmm+NsAfo+/e3hBj1IAqzHr8wYcw7gH:9W+NLfbeR5+/4whw76

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8168

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file skypesetup.exe has been seen being distributed by the following 2 URLs.

http://skype.joydownload.com/get_ic_file/wUiS4GnYccXBwj sXP7oQkEsnl0kPTqmHxz1cteQv A8/yWn9np5iNENJ1Xma73uNDC2yF5KcibedL32XOAlyPpqxcaXFQ6R/ivlDE7quXKtgLbbqNPKxCsL NdlkV4bXnejCz59k8su/SjxGWmdSq4KkZu0JTxEYrg2JQpsaOa3AxkqPIuOOE5q2bPvUSwjcpekjrFhWyuouRnFn/V BZW8YsntZXZWzYfoX6p9wEMH5sv3iVLqaLR0nz6tQMVZ5NXiECa3oZrTkC4lbaQaFttjemAgr elTBJohx 534gRGir/.../PGhUVJugyBtPHneSHKHzMo3WqRrM2s5nTqUXUyB3OWHH4nTFbP4uZfgE6AKEFRDCxluFUFiLCWU=

http://skype.il.joydownload.com/get_ic_file/wUiS4GnYccXGwj 0VPevWwllklI8LVv8UVincteQv c8/yan6D1gwJgEJE31ab37OHq yCkKIGjPEe2tCuNun xyz4WXBgib7UyjRQai2y77zrXP 5GNg2gIq5M6kQAKFC/lXyx zcko ir6UmKYRr1cw4TrND0VKOBmPRNMOaz9RHt8ftzFZREmhrO9QXl7ao6x2 8wBHvj4QWR3 BvG5e/IcqnZnhV15ToFO86xk5K/4O h1vyfOwswz6tQMVb5NW5QXjut5aCkW8qYLxREMxobyZ/5fCsXhBgihyitIYNU3mCU0m244Sxj1o3NTHOsGAGnZyBXyb5ARTPg7l1aAL6xyPXBQ4oaXJCFpi7yUpEH3qHU/.../EvNns5xEf9EG3gjfniPq3jOeqJjWvcY6kXsA16EjFfRHwyLCWU=

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