What is MailRuUpdater.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 MailRuUpdater.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.

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MailRuUpdater.exe file information

Windows Task Manager with MailRuUpdater
MailRuUpdater.exe process in Windows Task Manager

The process known as Mail.Ru updater belongs to software or MailRuUpdater by Mail.Ru (

Description: MailRuUpdater.exe is not essential for the Windows OS and causes relatively few problems. MailRuUpdater.exe is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 6,058,712 bytes (9% of all occurrences), 5,888,728 bytes and 53 more variants. 
The MailRuUpdater.exe file is not a Windows core file. The MailRuUpdater.exe file is certified by a trustworthy company. The program is not visible. The application is loaded during the Windows boot process (see Registry key: Run, MACHINE\Run). MailRuUpdater.exe is able to monitor applications and record keyboard and mouse inputs. Therefore the technical security rating is 60% dangerous.

Uninstalling this variant: If you encounter difficulties with MailRuUpdater.exe, you may also do the following:

Recommended: Identify MailRuUpdater.exe related errors

Important: Some malware camouflages itself as MailRuUpdater.exe. Therefore, you should check the MailRuUpdater.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.


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Best practices for resolving MailRuUpdater issues

A clean and tidy computer is the key requirement for avoiding problems with MailRuUpdater. 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 MailRuUpdater.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.

Other processes

MailRuUpdater.exe [all]