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skype_setup.exe

Premium Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application skype_setup.exe by Premium Installer has been detected as adware by 34 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from secure.oinstaller9.com.
Publisher:
ExpressInstaller  (signed by Premium Installer)

Product:
ExpressInstaller

Version:
3, 7, 1, 0

MD5:
e063a9c9c1101c6e74adc38ced605967

SHA-1:
4a0fb839bcdad554cdb66b780f9a5d3d2b39e42a

SHA-256:
c101f3770dab654efd3bf4b34962b0c5ccc93f391c888c8b97ec6406854b5415

Scanner detections:
34 / 68

Status:
Adware

Explanation:
This setup/installer bundles various adware components.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/24/2024 11:29:50 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Jatif.89
365

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
2014.06.23

Avira AntiVirus
Adware/AgentCV.A.3221
7.11.170.204

avast!
Win32:Installer-K [PUP]
2014.9-160205

AVG
Adware Generic5
2017.0.2843

Bitdefender
Gen:Variant.Adware.Jatif.89
1.0.20.180

Bkav FE
W32.ibryteMV.Adware
1.3.0.4959

Clam AntiVirus
Win.Adware.Ibryte-328
0.98/19246

Comodo Security
Application.Win32.iBryte.M
18030

Dr.Web
Adware.Downware.1479
9.0.1.036

Emsisoft Anti-Malware
Gen:Variant.Adware.Jatif.89
8.16.02.05.10

ESET NOD32
Win32/AdWare.iBryte.K.gen application
10.7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
2/5/2016

F-Prot
W32/Ibryte.G.gen
v6.4.6.5.141

F-Secure
Gen:Variant.Adware.Jatif
11.2016-05-02_6

G Data
Win32.Adware.Ibryte.AB
16.2.24

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.2.2.29

K7 AntiVirus
Trojan
13.176.11623

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.708

Malwarebytes
PUP.Optional.iBryte
v2016.02.05.10

MicroWorld eScan
Gen:Variant.Adware.Jatif.89
17.0.0.108

NANO AntiVirus
Trojan.Win32.Downware.cqiqwb
0.28.0.59921

Norman
Gen:Variant.Adware.Jatif.89
11.20160205

nProtect
Trojan-Clicker/W32.iBryte.1747608
14.06.22.01

Panda Antivirus
PUP/MultiToolbar.A
16.02.05.10

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
PUA.iBryte.DC4
2.16.14.00

Reason Heuristics
PUP.Adknowledge.PremiumInstaller.Installer (M)
16.2.5.10

Rising Antivirus
PE:Malware.iBryte!6.39A
23.00.65.16203

Sophos
PUA 'iBryte Optimum Installer'
5.13

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.24.3

VIPRE Antivirus
Threat.4778314
29732

Zillya! Antivirus
Adware.iBryte.Win32.597
2.0.0.1806

File size:
1.6 MB (1,715,352 bytes)

Product version:
3, 7, 1, 0

Copyright:
Copyright (C) 2013 ExpressInstaller

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

Common path:
C:\users\{user}\downloads\skype_setup.exe

Digital Signature
Signed by:
Premium Installer

Authority:
VeriSign, Inc.

Valid from:
7/12/2013 7:00:00 PM

Valid to:
8/2/2014 6:59:59 PM

Subject:
CN=Premium Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Premium Installer, L=Wilmington, S=Delaware, C=US

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:
35BB74B905C01CE61DA131BA49337F33

File PE Metadata
Compilation timestamp:
9/17/2013 4:18:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:XHbh4//cqUW8AmcqeT7nW8mcqUW8F1dK5w4NzAbxFcqUW8I85Y:daGW8+nW8vW8FL32AFIW8BY

Entry address:
0x43CC

Entry point:
E8, FB, 35, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 5C, C2, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 44, C0, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63...
 
[+]

Entropy:
7.0301

Code size:
105.5 KB (108,032 bytes)

The file skype_setup.exe has been seen being distributed by the following URL.

https://secure.oinstaller9.com/1379521876/o/.../Skype_Setup.exe

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