Welcome to the PC Pitstop Process Library. We have an extensive list of the most common processes currently running on PCs. Use this library to inspect the safety of your running processes on a regular basis.

Click here to run our free scan and see if your computer's processes are safe. To find out how to make your computer faster, try running our Free PC Matic Scan.

Search For Processes

Process Name

  

Unknown Unknown
Safe Safe
User Optional User Optional
Unwanted Unwanted
Spyware / Adware Spyware / Adware
Virus Virus


More than one possible match was found; all matches are listed below in order of their prevalence. This only tells you what the file and the correct action might be.

To understand which possibility is actually running on your own system, perform an Overdrive test and then look at the Software|Processes tab.

You may find more information on this process by visiting Process Detail Pages.


Match #1



winrar.exe (WinRar)

Percentage of recently scanned PC's with this process running: 0.02%
Average CPU use for this program: 64%
Average RAM for this program: 35 MB


In addition to the file name, winrar.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Alexander Roshal
Product is not specified
File name contains:\WinRAR\

To view version information with Windows Explorer, right-click the file and click Properties, Version.


Vendor or Distributor's Web Site

http://www.win-rar.com/



Win Patrol

WinRAR.exe - File archiving utility.

winrar.exe  is a user invoked program and a normal part of PC operations. No action required.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called winrar.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
winrar.exe> 10
MD5 Hashes
# MD5 Size
1 0x54071803f8fe8a68dfabf1e3ea9e203a 968704 bytes
2 0x021415cdbadc5244fdbfd1ca5eda420c 977920 bytes
3 0x4cadc1c815e97da5a383fc5a011e969d 932352 bytes
4 0x2dfa84145d80220869a42222679f431e 915968 bytes
5 0x338bcadb61a55b31cd7aa6bba813c8ff 936960 bytes
MD5 Hashes
# MD5 Size
6 0xd36ccaf0f2ab930b70dc02676e4f168a 916992 bytes
7 0x8fa8baad4c6fa621e5f5837a91b9681b 915968 bytes
8 0x276a41da5762c75cc60c0c09dbed9348 936960 bytes
9 0xc0bfcfd973454d632756b414c1943159 936960 bytes
10 0x317c9b6adcd2a162aee0b553d2749112 954368 bytes

Match #2



winrar.exe (WinRAR.exe)

Percentage of recently scanned PC's with this process running: 0.02%
Average CPU use for this program: 0%
Average RAM for this program: 20 MB


In addition to the file name, winrar.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Alexander Roshal
Product contains:WinRAR
File name contains:\Program Files\WinRAR\WinRAR.exe

To view version information with Windows Explorer, right-click the file and click Properties, Version.




Win Patrol

WinRAR.exe -

winrar.exe  is returning insufficient information about this program.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.



Match #3



winrar.exe (WinRar)

Percentage of recently scanned PC's with this process running: 0.00%
Average CPU use for this program: 0%
Average RAM for this program: 0 MB


In addition to the file name, winrar.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

File name contains:\WinRAR\

To view version information with Windows Explorer, right-click the file and click Properties, Version.


Vendor or Distributor's Web Site

http://www.win-rar.com/



Win Patrol

WinRAR.exe - File archiving utility.

winrar.exe  is a user invoked program and a normal part of PC operations. No action required.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called winrar.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
winrar.exe> 10
MD5 Hashes
# MD5 Size
1 0x3cd7f857c001e602ab0d2749573f46b2 932352 bytes
2 0x60429134d9c0929caf90821b57784607 916992 bytes
3 0x7a3be0fb5e78475e22e9b730f725eed1 880128 bytes
4 0x791e3a9991b3df126e153faffcc624b9 931840 bytes
5 0xfc5c552008ed25dcf5b7bd2f68b00a41 932352 bytes
MD5 Hashes
# MD5 Size
6 0xf84220c65dc0a8bb3194dea3153c50d6 881152 bytes
7 0x7718f6414125c2ef19055eba207a7edb 915968 bytes
8 0x47ae386622856004bad3f2e16869afa0 1155584 bytes
9 0x736025d0a5fc494e4274a8d9c71f3fe4 889856 bytes
10 0xbb3dcc23daa6737d181763ea3203f0ff 823296 bytes

Match #4



winrar.exe (TROJ_CHOST.A (Trend))

This program has not been seen on any systems tested at PC Pitstop in the past week.


In addition to the file name, winrar.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

File name contains:\Windows\

To view version information with Windows Explorer, right-click the file and click Properties, Version.


Vendor or Distributor's Web Site

http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=TROJ_CHOST.A&VSect=T



PC Pitstop Exterminate

This Trojan program usually arrives via third-party applications or is manually installed by the user.

winrar.exeDISABLE AND REMOVE. Intrusive adware or spyware.

PC Pitstop Exterminate removes winrar.exe and all other forms of malware and spyware. Run a free scan and analysis to learn how to quickly and easily rid your computer of adware and spyware.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called winrar.exe, we have detected 2 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
winrar.exe2
MD5 Hashes
# MD5 Size
1 0x3db20e8c2e8bd290eafc45f888ff1153 94720 bytes
MD5 Hashes
# MD5 Size
2 0x7e007d9e36fb1f9214c801003328420f 97792 bytes


Try a free diagnostic now

PC Pitstop is the undisputed leader in PC diagnostics. Our running process library is culled from our database of over 100 million PC diagnostics and scans.

To find the latest driver for your computer we recommend running our Free Driver Scan.

Find out how to make your computer faster by running our Free Performance Scan.

Tips from the PitCrew

Tips from the Pit Crew

Every process running on your computer takes up CPU cycles and valuable memory. For optimal PC performance and resource utilization, you should be aware of every process on your computer. PC Pitstop designed this process library to help you know which processes are worthwhile and others that slow system performance.

Get more tips
Subscribe to TechTalk

Important Note

A file name alone may not be enough for positive identification. PC Pitstop's Overdrive tests and spyware scan use information such as the company name, product name, or install directory.

If you are unable to identify a file, ask about it in our forums after running our full tests.