startdownload.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 startdownload.exe, “Premium Installer ” by WARP INSTALL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Adknowledge Fusion installer.
Publisher:
Premium Installer   (signed by WARP INSTALL)

Product:
Premium Installer

Description:
Premium Installer

Version:
1.3.7.2

MD5:
fe7443dc5c7db276edb58326464fdaf9

SHA-1:
4242e4b1d959d2e54f0ab24ea0d6a87dea4e30d3

SHA-256:
8e9267f23724ecaa70a0f0e29eef704bca49261b5cabc85b92fa105345f88c7b

Scanner detections:
1 / 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:
11/5/2024 5:49:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.8.10.20

File size:
227.3 KB (232,736 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\startdownload.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/4/2013 2:00:00 AM

Valid to:
9/21/2014 1:59:59 AM

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:
4/3/2014 11:00:17 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:kSl7k99M+lpzJiAEOfGaIZ0eNyj3OZCu69gCq/ysc7IY0y5Hep3A:kb7MEp7EzZZYj3O0Dzsc7IY0sep3A

Entry address:
0xF8EC

Entry point:
E8, CB, 47, 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...
 
[+]

Code size:
162 KB (165,888 bytes)

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

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