What is praetorian.exe?

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 praetorian.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.

Click to Run a Free Scan for praetorian.exe related errors

Praetorian.exe file information

Windows Task Manager with praetorian
Praetorian.exe process in Windows Task Manager

The process known as praetorian.exe belongs to software Yandex by Yandex (

Description: Praetorian.exe is not essential for Windows and will often cause problems. Praetorian.exe is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 1,737,024 bytes (24% of all occurrences), 1,534,976 bytes and 10 more variants. 
It is not a Windows system file. The software starts upon Windows startup (see Registry key: Run, MACHINE\Run). The program has no visible window. The praetorian.exe file is digitally signed. The praetorian.exe file is a Verisign signed file. Praetorian.exe is able to monitor applications. Therefore the technical security rating is 39% dangerous, however you should also read the user reviews.

Uninstalling this variant: In the event of any problems with praetorian.exe, you can also do the following:

Recommended: Identify praetorian.exe related errors

Important: Some malware also uses the file name praetorian.exe, for example WS.Reputation.1 (detected by Symantec), and Trojan.Generic.KDV.643231 (detected by F-Secure). Therefore, you should check the praetorian.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.


User Comments

It embedded itself on my XP computer in startup, and I had to work for several days to rid myself of it. I did not knowingly install it.
  Bobbie Alleman  

Summary: Average user rating of praetorian.exe: based on 2 votes with 1 user comment. 2 users think praetorian.exe is dangerous and recommend removing it.

Do you have additional information? Help other users!
What do you know about praetorian.exe:
How would you rate it:
Link for more info:
Your Name:

Best practices for resolving praetorian issues

A clean and tidy computer is the key requirement for avoiding problems with praetorian. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the praetorian.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

praetorian.exe [all]