The genuine prime95.exe file is a software component of Prime95 by Mersenne Research.
The 'prime95.exe' file belongs to the 'Great Internet Mersenne Prime Search (GIMPS) distributed computing project' that was developed by Mersenne Research, Inc. This executable runs the GIMPS project in Windows. The project's client software obtains computing type tasks from 'PrimeNet' server, which is the central GIMPS server. It then runs computations on the PC during CPU idle time. Lastly, it uploads the results to the server. GIMPS began in January 1996 with the goal of discovering newer, world record Mersenne primes.
PRIME95 stands for PRIME95 Application
The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the prime95.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.
Description: Prime95.exe is not essential for the Windows OS and causes relatively few problems. Prime95.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\.
The file size on Windows 10/8/7/XP is 4,333,568 bytes.
There is an icon for this program on the taskbar next to the clock. The program has a visible window. There is no description of the program. The process can be uninstalled in the Control Panel. The prime95.exe file is not a Windows core file. Prime95.exe is able to record keyboard and mouse inputs, hide itself and monitor applications. Therefore the technical security rating is 14% dangerous, however you should also read the user reviews.
Recommended: Identify prime95.exe related errors
If prime95.exe is located in a subfolder of the user's profile folder, the security rating is 22% dangerous. The file size is 4,530,176 bytes (50% of all occurrences) or 4,583,424 bytes. The program has a visible window. There is no file information. The file is not a Windows core file. Prime95.exe is able to record keyboard and mouse inputs, hide itself and monitor applications.
If prime95.exe is located in a subfolder of the user's "Documents" folder, the security rating is 26% dangerous. The file size is 13,179,660 bytes. The program has a visible window. There is no information about the author of the file. The software starts upon Windows startup (see Registry key: Run, User Shell Folders). The file is not a Windows core file. Prime95.exe is able to record keyboard and mouse inputs, hide itself and monitor applications.
Important: Some malware camouflages itself as prime95.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the prime95.exe 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.
A clean and tidy computer is the key requirement for avoiding problems with prime95. 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 prime95.exe 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.