What is hotcore3?

Hotcore3.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if hotcore3.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for hotcore3 drivers in need of updating

Hotcore3.sys file information

The process known as Hotbackup helper driver or A part of Paragon System Utilities belongs to software HotBackup or Paragon System Utilities by Paragon Software Group ( or Paragon Technologie GmbH.

Description: Hotcore3.sys is not essential for the Windows OS and causes relatively few problems. Hotcore3.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 39,472 bytes (37% of all occurrences), 38,448 bytes and 8 more variants. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The file is a Verisign signed file. Hotcore3.sys is digitally signed. The service has no detailed description. The file is not a Windows system file. Therefore the technical security rating is 19% dangerous, however you should also read the user reviews.

Recommended: Identify hotcore3.sys related errors

If hotcore3.sys is located in a subfolder of C:\Windows, the security rating is 20% dangerous. The file size is 36,368 bytes (60% of all occurrences) or 37,392 bytes. The program is not visible. The hotcore3.sys file is a Verisign signed file. The file is certified by a trustworthy company. There is no detailed description of this service. Hotcore3.sys is not a Windows core file. hotcore3.sys appears to be a compressed file.

Important: Some malware disguises itself as hotcore3.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the hotcore3.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

hotcore3.sys (39.472 bytes) ist Bestandteil der paragon Software für Backups. Versionsbeschreibung: Hotbackup helper driver, Paragon Software Group 2003
Associated with Paragon Hard Disk 2009 Suite
part of Paragon system utilities
  mee   (further information)
Sytem accelrators such as wintuneup utilites may interfer with paragon utilities services thus causing harmless crashes.
  Rich Cochran  
Should you want to remove hotcore3.sys: Clean HKLM\SYSTEM\CurrentControlSet\Control\Class\{71A27CDD-812A-11D0-BEC7-08002BE2092F}\UpperFilters first (remove hotcore3, keep other entries like VolSnap).
  Lord of the files  

Summary: Average user rating of hotcore3.sys: based on 4 votes with 5 user comments. 3 users think hotcore3.sys is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving hotcore3 issues

A clean and tidy computer is the key requirement for avoiding problems with hotcore3. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the hotcore3.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

hotcore3.sys [all]