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update.exe

Premium Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application update.exe by Premium Installer has been detected as adware by 25 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:
Premium Installer  (signed and verified)

MD5:
ba2ae73795b1be9952da295a8fac6b72

SHA-1:
4bde9249ba28843add9e2634c6f6c5ccf1015229

SHA-256:
0ecf5b4932cdde16f6549669ba9afd028f56faba9f1707bff808074596ccfd48

Scanner detections:
25 / 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:
4/19/2024 3:38:32 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Buzus
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
2014.08.17

Avira AntiVirus
Adware/iBryte.Z.1
7.11.167.132

avast!
Installer-K [PUP]
2014.9-140929

AVG
Adware Generic5
2015.0.3337

Comodo Security
Application.Win32.iBryte.M
19213

Dr.Web
Adware.Downware.1377, Adware.Downware.1479
9.0.1.0272

ESET NOD32
Win32/AdWare.iBryte.K.gen application
8.7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
9/29/2014

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

herdProtect (fuzzy)
variant of chrome_setup.exe (Adware)
2014.12.10.8

IKARUS anti.virus
PUA.PremiumInstaller
t3scan.1.7.5.0

K7 AntiVirus
Trojan
13.183.13054

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.3179

Malwarebytes
PUP.Optional.IBryte.A
v2014.09.29.02

NANO AntiVirus
Trojan.Win32.Downware.cssqfh
0.28.2.61519

nProtect
Trojan-Clicker/W32.iBryte.1064088
14.08.14.01

Panda Antivirus
PUP/MultiToolbar.A
14.09.29.02

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.PremiumInstaller.G
14.9.29.2

Rising Antivirus
PE:Malware.iBryte!6.45
23.00.65.14927

Sophos
iBryte Optimum Installer
4.98

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Adware.iBryte.Win32.526
2.0.0.1880

File size:
1 MB (1,064,088 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Common path:
C:\users\{user}\downloads\update.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:
8/16/2013 2:05:47 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:SXBnuQyPmynSSl46s9bJ3SjLlT5O6r82d+nDdV2m99xgtrSUNzyNdQypNb:SXButeynSDxJCw/emNgtrSUNZAb

Entry address:
0x415C

Entry point:
E8, 7B, 2F, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 54, 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:
6.9220

Code size:
105 KB (107,520 bytes)

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

https://secure.oinstaller9.com/o/.../Update.exe

http://secure.oinstaller.com/o/.../Update.exe

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