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What is praetorian.exe?

Part of Yandex by Yandex LLC

What is it?

praetorian.exe is the software updater program which runs in the background of Windows and automatically starts up when your PC boots. It checks for software udpates and automatically downloads and installs them if found.
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How does praetorian.exe run?

Process - praetorian.exe is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account. praetorian.exe is executed by the process explorer.exe (Windows Explorer by Microsoft).

How does praetorian.exe start?

Startup files (user) run - praetorian.exe is registered with the run identifier 'Praetorian' and the execution command 'C:\users\user\appdata\Local\Yandex\Updater\praetorian.exe' in the Windows registry HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run. Run keys are startup registry keys that are used to launch an application automatically when a user logs into Windows.


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the praetorian.exe process running.Of the 0.4% of praetorian.exe users, 84.0% have disabled it.
How stable is Yandex?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
Typical program1.26%
How resource intensive is praetorian.exe?
Comparison based on the average resource utilization across all programs.
0.00283% CPU28322.2%
Average CPU utilization across all programs is 0.00001%.
          4.42 MB RAM20.5%
Average private memory utilization across all programs is 21.53 MB.
         14 GDI objects9.3%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:

Are there other versions of Yandex?

What else is related?

Yandex Stability

praetorian.exe crashes or has encountered a critical error 0.8900% of the time.
Error: AB0=>2:0 @01>BK (BEX)
Error: AB0=>2:0 @01>BK (BEX)
Occurred: over 6 months ago
Error: AB0=>2:0 @01>BK (BEX)
Occurred: over 6 months ago

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)
Windows 7 Ultimate (6.1.7600.0)
Windows 7 Home Premium (6.1.7601.65536)
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File details

File name: praetorian.exe
Publisher: Yandex LLC (verified)
Name: Yandex
Description: Yandex
Size: 1.54 MB
Original file name: praetorian.exe

Digital certificate

Issued to: OOO Yandex
Certificate authority: VeriSign
Expiration date: 5/2/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0032328282%
Privileged CPU: 0.0004006098%
User CPU: 0.00283221836297%
Privileged CPU time: 22152142 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 2,126,051,276
Memory utilization averages
Committed memory: 81.64 MB
Peak committed memory: 87.48 MB
Paged memory: 4.42 MB
Peak paged memory: 4.77 MB
Paged system memory: 140.37 KB
Non-paged system memory: 16.23 KB
Working set memory: 8.75 MB
Peak working set memory: 9.99 MB
Min working set memory: 8.62 MB
Private memory: 4.42 MB
Page faults: 92,855
Page faults /min: 0
Process I/O averages
Total read operations: 1,347
Total read transfer: 4.67 MB
Total write operations: 2,343
Total write transfer: 1.68 MB
Total other operations: 23,387
Total other transfer: 332.29 KB
GUI Object Averages
GDI objects: 14
Peak GDI objects: 16
USER objects: 12
Peak USER objects: 18
Handle count average: 137
Thread count average: 7

Process details

Runs as (owner): User
Integrety level: Medium
Windows platform: 64-bit
Parent Process
Process Command

Startup files (user) run details

Name: Praetorian
Command: C:\users\user\appdata\Local\Yandex\Updater\praetorian.exe

Image hashes

MD5: f082c76cf8a1c41db23ec397b4b5b03b
SHA-1: 59c508165b1cee0b453c34ab57f163aee1927fa4
SHA-256: d9f3cfcfe9651c67d7dfbb005e0914bb0b16f245a249a905cedcb87446977e02

PE image details

File packed: No
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