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What’s PREREQ_INSTALLER_1.exe (Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.26.28720)? Is it safe or a virus?

PREREQ_INSTALLER_1.exe is a file developed by Microsoft Corporation, and it is associated with the app "Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.26.28720." This file is a part of the Visual C++ Redistributable package, which is required for running applications that are developed using Visual C++ on a computer.

Researched by Laura @ SpyShelter Labs

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A Trojan is a harmful software that pretends to be a legitimate program or file to deceive users into downloading it. It can steal personal information, damage files, or give hackers control over the infected device.

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Who makes PREREQ_INSTALLER_1.exe (Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.26.28720)?

We’ve found Microsoft Corporation should be the publisher of PREREQ_INSTALLER_1.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: September 16, 2024

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Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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