installer.exe

Web Software application

Web Software Generic

The application installer.exe, “Web Software application Setup ” has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from leobells.blob.core.windows.net.
Publisher:
Web Software Generic

Product:
Web Software application

Description:
Web Software application Setup

Version:
1.0.4.2

MD5:
2165e368d0deb0ea7e472b671d125b26

SHA-1:
ec2f5cbe9e53f3ef4e580607c463fa5033f38ea9

SHA-256:
a6b34811557e7d208420528d6d876040dd4611c6a3c324fa1465b0199fcb87fc

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/27/2024 1:07:54 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/InstallCore.ACZ potentially unwanted (variant)
9.12433

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.1415

Malwarebytes
v2015.10.21.10

Reason Heuristics
PUP.InstallCore.Bundler (M)
15.10.21.6

Total Defense
Heur/TrojanHorse.ZCKP!suspicious
37.1.62.1

File size:
1003.4 KB (1,027,530 bytes)

Product version:
4.7

Copyright:
Application Program

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:RFYhX1mIO8Y6KtPKAOCh/6vYIhI8uosItq:Rm7fY68KAj/uYIm8Psqq

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

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