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setup.exe

Willow Software

The program is a setup application that uses the Microsoft Setup installer. The file has been seen being downloaded from install.optimum-installer.com a web site host known to distribute potentially unwanted software operated by Optimum Installer.
Publisher:
Willow Software  (signed and verified)

Description:
Setup

Version:
10.0.30319.1 built by: RTMRel

MD5:
3b1d6c81d08845f2f20117355f999779

SHA-1:
1130c45f6c8961b2f0186431cff5a8c24f44f703

SHA-256:
be9d322a452685871a7437ca27a9353a19c76aa527a1bf0ca0623e593e7ea680

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/24/2024 2:13:18 AM UTC  (today)

File size:
429.1 KB (439,360 bytes)

Product version:
10.0.30319.1

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Installer:
Microsoft Setup

Language:
English (United States)

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

Digital Signature
Signed by:
Willow Software

Authority:
COMODO CA Limited

Valid from:
5/3/2012 8:00:00 PM

Valid to:
5/4/2014 7:59:59 PM

Subject:
CN=Willow Software, O=Willow Software, STREET=19599 27th Ave NW, L=Shoreline, S=WA, PostalCode=98177, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
38870BD326AD3D3CADC665F938AE1BF6

File PE Metadata
Compilation timestamp:
3/18/2010 7:21:36 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:lqIpd/w8ylWKxavR+dJ1oMBClrbMAo+nhmuFfvY0SHZvuD32cojDuUlXJeOV:l7IRWDvFa+nhmuF3Y0sc2ceDuUlXM8

Entry address:
0x2E541

Entry point:
E8, 9E, 4E, 00, 00, E9, 84, FE, FF, FF, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 5D, E9, 43, 15, 00, 00, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 55, 0C, EB, 08, 66, 3B, CA, 74, 12, 83, C0, 02, 0F, B7, 08, 66, 85, C9, 75, F0, 66, 39, 10, 74, 02, 33, C0, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, 55, 8B, EC, 57, 56, 8B, 75, 0C, 8B, 4D, 10, 8B, 7D, 08, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, A0, 01, 00, 00, 81, F9, 80, 00, 00, 00, 72, 1C, 83, 3D, 68, 2F, 45, 00, 00, 74, 13...
 
[+]

Entropy:
6.2618

Code size:
314.5 KB (322,048 bytes)

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

http://install.optimum-installer.com/o/.../Setup.exe

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