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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 31 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 and multiple other hosts.
Publisher:
AppEnabler  (signed by Premium Installer)

Description:
AppEnabler

Version:
2, 6, 0, 0

MD5:
0432d214488fb5768200bddc54c9a5c6

SHA-1:
bea71f3444e000d5a3350f0f21eb1071cbfcea38

SHA-256:
0faa4396bfbc023438474be8d9e8af5150ed04f51bf0caad5c876c187db0285a

Scanner detections:
31 / 68

Status:
Adware

Explanation:
This setup/installer bundles various adware components.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 5:55:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Strictor.40829
6198839

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Agent
2014.12.20

Avira AntiVirus
ADWARE/iBryte.Gen7
7.11.196.230

avast!
Installer-K [PUP]
141214-1

AVG
Adware AdInstaller.ExpressInstall
2014.0.4235

Bitdefender
Gen:Variant.Adware.Strictor.40829
1.0.20.1765

Comodo Security
Application.Win32.iBryte.M
20419

Dr.Web
Adware.Downware.1469, Adware.Downware.1479
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Strictor.40829
9.0.0.4668

ESET NOD32
Win32/AdWare.iBryte.K.gen application
7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
12/19/2014

F-Prot
W32/A-495a7e06
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Strictor.40829
5.13.68

G Data
Gen:Variant.Adware.Strictor.40829
14.12.24

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14395

Kaspersky
not-a-virus:AdWare.Win32.iBryte
15.0.0.543

Malwarebytes
PUP.Optional.Optimum
v2014.12.19.10

MicroWorld eScan
Gen:Variant.Adware.Strictor.40829
15.0.0.1059

NANO AntiVirus
Trojan.Win32.Downware.cqiqwb
0.28.6.64267

Norman
Gen:Variant.Adware.Strictor.40829
04.12.2014 14:30:06

nProtect
Trojan-Clicker/W32.iBryte.1095320
14.12.19.01

Panda Antivirus
Generic Malware
14.12.19.10

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.PremiumInstaller.L
14.12.19.21

Rising Antivirus
PE:Adware.iBryte!1.980C
23.00.65.141217

Sophos
PUA 'iBryte Optimum Installer'
5.09

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4778314
35418

Zillya! Antivirus
Trojan.Inject.Win32.62319
2.0.0.2010

File size:
1 MB (1,095,320 bytes)

Product version:
2, 6, 0, 0

Copyright:
Copyright (C) 2013 InstallManager

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 8:00:00 PM

Valid to:
8/2/2014 7:59:59 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:
9/12/2013 2:56:21 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:SU94JBzUsoHljekIFlf6jpBpkRWQiwOrScXyrgsRAgzvslkg8p+d:Spz3oHlj/pDkdiw67XsgsRAg5gFd

Entry address:
0x462C

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:
6.8908

Code size:
106 KB (108,544 bytes)

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

https://secure.oinstaller9.com/1379103343/o/.../Skype_Setup.exe

http://secure.oi-installer2.com/1379103343/o/.../Skype_Setup.exe

http://downloader2.downloadinfo.co/download.php?id=e7879f4e498e9c19a16c07d3a2c09ebcc6581e23&z=1&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMjkiLCJ1X2lkIjoiZGlfNTIzMzcyM2NlMjMxNzIuMzM3NzAzMTIiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzc5MTAzMjkzLCJrdyI6InNreXBlIiwiY3UiOiJza3lwZSIsImNhIjpudWxsfQ==

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