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windows_7_software_update.exe

WARP INSTALL

The software uses the Optimum Installer/Fusion Installer (Adknowledge) to download and install an offer stack of adware including toolbars, coupon extensions and various unwanted utilities. This installer is just a stub to present offers and download the expected software. The application windows_7_software_update.exe, “Premium Installer ” by WARP INSTALL 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.pn-installer2.com.
Publisher:
Premium Installer   (signed by WARP INSTALL)

Product:
Premium Installer

Description:
Premium Installer

Version:
1.3.7.2

MD5:
43f44a82c96ce41e0cd54563978313d7

SHA-1:
54f6ba30d566063c98d7809c3af8f0bfc1e2d733

SHA-256:
1f649e10cd6236d2c21da25b40cdb9c5c24e5fe608624e205b7a2de38a3412ec

Scanner detections:
21 / 68

Status:
Adware

Explanation:
This setup/installer bundles various adware components (toolbars, shopping extensions, utility offers).

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:
4/19/2024 10:19:27 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

Avira AntiVirus
Adware/iBryte.A.16314
7.11.150.60

avast!
Win32:PUP-gen [PUP]
140516-1

AVG
Adware AdPlugin.DL
2014.0.3950

Comodo Security
Application.Win32.IBryte.U
18286

Dr.Web
Trojan.DownLoader9.59551
9.0.1.0137

ESET NOD32
Win32/AdWare.iBryte.V.gen (variant)
8.9814

F-Prot
W32/DomaIQ.G.gen
v6.4.7.1.166

G Data
Win32.Application.PremiumInstaller
14.5.24

IKARUS anti.virus
not-a-virus:Downloader.Win32
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.177.12109

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.3851

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2014.05.17.05

NANO AntiVirus
Trojan.Win32.IBryte.cwgube
0.28.0.59911

Reason Heuristics
PUP.Installer.WARPINSTALL.Z
14.5.17.15

Rising Antivirus
PE:Malware.Agent!6.162B
23.00.65.14515

Sophos
iBryte Optimum Installer
4.98

Vba32 AntiVirus
Downloader.Agent
3.12.26.0

VIPRE Antivirus
Optimum Installer
29314

Zillya! Antivirus
Downloader.Agent.Win32.185889
2.0.0.1791

File size:
226.8 KB (232,224 bytes)

Product version:
1.3.7.2

Copyright:
Copyright (C) 2013 Premium Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

Common path:
C:\users\{user}\downloads\windows_7_software_update.exe

Digital Signature
Signed by:
WARP INSTALL

Authority:
VeriSign, Inc.

Valid from:
10/3/2013 5:00:00 PM

Valid to:
9/20/2014 4:59:59 PM

Subject:
CN=WARP INSTALL, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WARP INSTALL, 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:
52A35E3AC3B67E8CD7BB42D490658BBA

File PE Metadata
Compilation timestamp:
4/8/2014 2:00:28 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:kp/vABYurOh+8vJiRq9iTOn7U0kNNzvUD8XtzU+5/rb5nypL6:kdAKurOhtyqoS76LzvqeFhypL6

Entry address:
0xF55C

Entry point:
E8, 1B, 48, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A8, A2, 42, 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, 60, A0, 42, 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:
6.3749

Code size:
161.5 KB (165,376 bytes)

The file windows_7_software_update.exe has been seen being distributed by the following URL.

http://secure.pn-installer2.com/o/.../Windows_7_Software_Update.exe

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