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 21 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from secure.oinstaller8.com.
Publisher:
Premium Installer  (signed and verified)

MD5:
b7af63dc072ec4e719a45054331c772e

SHA-1:
cc571e0e153aed235f4b7b816d365a7e5dc3829d

SHA-256:
e8a18098fd4cb4a0bab462b07dd58cacc82fbfecbe4bce0b655ce252d9c4e5c0

Scanner detections:
21 / 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:
4/16/2024 3:21:57 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.DR.Injector
7.1.1

AhnLab V3 Security
2014.11.02

Avira AntiVirus
Adware/iBryte.V
7.11.182.186

avast!
Installer-K [PUP]
141025-0

AVG
Adware Skodna.Generic.AMF
2014.0.4189

Comodo Security
Application.Win32.iBryte.M
19960

Dr.Web
Adware.Downware.1349, Adware.Downware.1479
9.0.1.05190

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

Fortinet FortiGate
Riskware/PremiumInstaller
11/1/2014

F-Prot
W32/Ibryte.D.gen
4.6.5.141

K7 AntiVirus
Riskware
13.185.13866

Kaspersky
not-a-virus:AdWare.Win32.iBryte
15.0.0.494

Malwarebytes
PUP.Optional.IBryte.A
v2014.11.01.06

NANO AntiVirus
Trojan.Win32.Downware.cssqfh
0.28.6.62995

nProtect
Trojan-Clicker/W32.iBryte.1065624
14.10.31.01

Reason Heuristics
PUP.PremiumInstaller.G
14.11.1.18

Rising Antivirus
PE:Malware.iBryte!6.B
23.00.65.141030

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

Zillya! Antivirus
Dropper.Injector.Win32.57288
2.0.0.1974

File size:
1 MB (1,065,624 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

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

Digital Signature
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:
8/2/2013 9:40:41 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:m5zsezvLMJC+eGekJexWkm8JIDqVraNiAgi4CICr83GeERT/4c:Erkvtex9m8J2qVraNJgi4CICrWGeERTr

Entry address:
0x417C

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:
6.9255

Code size:
105 KB (107,520 bytes)

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

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