What is WinRAR.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 WinRAR.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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WinRAR.exe file information

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

The process known as WinRAR archiver belongs to software WinRAR archiver or Project1 by Alexander Roshal ( or Eugene Roshal or Tamer Zorba.

Description: WinRAR.exe is not essential for the Windows OS and causes relatively few problems. WinRAR.exe is located in a subfolder of "C:\Program Files" (e.g. C:\Program Files\WinRAR\). Known file sizes on Windows 8/7/XP are 916,992 bytes (10% of all occurrences), 881,664 bytes and 48 more variants. 
The program has a visible window. There is no file information. The WinRAR.exe file is not a Windows system file. Therefore the technical security rating is 24% dangerous; however you should also read the user reviews.
If you still experience problems with WinRAR.exe, you can visit the support page or uninstall WinRAR or WinRAR archiver software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 8/7/Vista).

Recommended: Identify WinRAR.exe related errors

External information from Paul Collins:
There are different files with the same name:

Important: Some malware camouflages itself as WinRAR.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example Generic.dx (detected by McAfee), and Backdoor.IRC.Bot or WS.Reputation.1 (detected by Symantec). Therefore, you should check the WinRAR.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

ungefährlich, Entpackungsprogramm ähnlich Winzip
Is not dangerous, Winrar archiver / Aucun danger, c'est winrar ;) systeme de compression & décompression.
Not dangerous, excellent archiver for all compressed files.
WINRAR = good archiver. Nothing more :P
Absolutely not dangerous
WinRAR the Best..
WinRAR archiver, Helps Windows archive compressed files.
i deleted all of the files of winRAR and finally i removed it
legit appliaction but there are spywares masking under this name, check out the site
  nelchoc   (further information)

Rating chart

Summary: Average user rating of WinRAR.exe: based on 13 votes with 9 user comments. 9 users think WinRAR.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user suspects danger. 2 users think WinRAR.exe is dangerous and recommend removing it. One user is not sure about it.

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Best practices for resolving WinRAR issues

A clean and tidy computer is the key requirement for avoiding problems with WinRAR. 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 doing a repair of your installation, or in the case of Windows 8, 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 WinRAR.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

WinRAR.exe [all]