skype_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application skype_setup.exe, “Skype Setup ” by Optimum Installer has been detected as adware by 29 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server.
Publisher:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
Skype Setup

Version:
3.4.8

MD5:
5149cc11f74b04f8dbf20a0d5ddc75ad

SHA-1:
016cefe2fb9e78b0694f92336703def6dbfcf08b

SHA-256:
277f47f6d770377510197982b1f1492e4069023c6c10054d07840ff46fb58fef

Scanner detections:
29 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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 9:46:44 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.StartPage
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
14.08.08

Avira AntiVirus
TR/Agent.yaun
7.11.154.122

avast!
Win32:Installer-J [PUP]
140611-0

AVG
Adware Generic5.AABI
2014.0.3955

Clam AntiVirus
WIN.Adware.Ibryte-134
0.98/19073

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18511

Dr.Web
Adware.Downware.1212
9.0.1.05190

ESET NOD32
Win32/Adware.iBryte.G application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
6/11/2014

F-Prot
W32/Ibryte.C.gen
4.6.5.141

G Data
Win32.Adware.Ibryte
14.6.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.1712358

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.463

Malwarebytes
PUP.Optional.Ibryte
v2014.06.11.09

McAfee
Adware-FOO!5149CC11F74B
5600.7103

NANO AntiVirus
Riskware.Win32.Agent.csnqzb
0.28.0.60253

Norman
Agent.ASWDM
11.20140611

nProtect
Trojan-Clicker/W32.Agent.884008
14.06.11.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.OptimumInstaller.L
14.8.8.3

Rising Antivirus
PE:Malware.Agent!6.10C
23.00.65.14609

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
10435

Total Defense
Win32/Zbot.HIE
37.0.10826

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
30190

Zillya! Antivirus
Adware.Agent.Win32.8056
2.0.0.1821

File size:
863.3 KB (884,008 bytes)

Product version:
3.4.8

Original file name:
Setup.exe

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
Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, 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:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
5/22/2013 10:37:28 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:XI9Of/lpHBhI/cO9iazWzSboa9bZgWXrGtpHK5HXIhoX1:t271boa9b5CR+HX+oX1

Entry address:
0x56052

Entry point:
E8, 94, F1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 0D, F2, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 5C, 0D, 4B, 00, E8, A9, 4C, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 62, AE, 00, 00, 6A, 01, 6A, 00, E8, 0C, F5, 00, 00, 83, C4, 0C, E9, ED, F3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.7287

Code size:
476 KB (487,424 bytes)

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

Remove skype_setup.exe - Powered by Reason Core Security