Most antivirus programs identify x64.exe as malware—e.g. McAfee identifies it as Artemis!4BDB33859A56, and Symantec identifies it as Trojan.Gen.2.
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The process x64.exe has no company information.
Description: X64.exe is not essential for Windows and will often cause problems. X64.exe is located in a subfolder of "C:\Program Files".
The file size on Windows 10/8/7/XP is 3,745,573 bytes.
The process has no file description. The program has no visible window. The x64.exe file is not a Windows core file. X64.exe is able to monitor applications. Therefore the technical security rating is 37% dangerous.
Recommended: Identify x64.exe related errors
Important: You should check the x64.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.
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active x64 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the x64.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. 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.