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



system.exe (W32.Pahatia.A)

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


The file name alone identifies this program.



Detailed Description and/or Removal Instructions

http://www.symantec.com/security_response/writeup.jsp?docid=2006-053012-1545-99&tabid=2


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system.exe - According to Symantec:

W32.Pahatia.A is a worm that can spread by copying itself into local folders and mapped network drives, and attempts to restart the compromised computer if certain processes are running.

system.exe is a VIRUS. Stop all work until the virus is removed or you run the risk of spreading the virus to other people. Worse yet, the virus may be doing harm to your computer and your information.

system.exe is a virus and should be removed immediately to avoid doing further harm. PC Pitstop recommends PC Matic in these types of situations.


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 system.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
system.exe> 10
MD5 Hashes
# MD5 Size
1 0xf6e547aa92078445aef8d6e052e6f2da 24576 bytes
2 0x381093eb8de6742efe6bfc8393b2f339 3593810 bytes
3 0xdd4ab823aedf142ce4adfacbaa152b86 5632 bytes
4 0x109ff58d292a9e7595aeb3e8c9deed0a 88593 bytes
5 0x2fc7ce087fc7c8847c1de12ba5ca14d8 5120 bytes
MD5 Hashes
# MD5 Size
6 0xdb28e581fa8b13b3df14ab34b8a02b48 413696 bytes
7 0x4e53529d8e80be09def364fee569731e 89105 bytes
8 0x6fd6fa259a2c96ced8f38680f22c3383 58294 bytes
9 0xd575da1eafb29300f11c00d261889b87 278528 bytes
10 0xda31bc11e509656c1e2538880538964b 5548 bytes

Match #2



system.exe (Tofger trojan)

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


In addition to the file name, system.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 is not specified
Product is not specified
File name contains:\WIN

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




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SYSTEM.EXE - Part of the Tofger trojan or a variant, see http://www.sophos.com/virusinfo/analyses/trojtofgerb.html.

system.exe is a VIRUS. Stop all work until the virus is removed or you run the risk of spreading the virus to other people. Worse yet, the virus may be doing harm to your computer and your information.

system.exe is a virus and should be removed immediately to avoid doing further harm. PC Pitstop recommends PC Matic in these types of situations.


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 system.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
system.exe> 10
MD5 Hashes
# MD5 Size
1 0xcd262133e65f6dcae37b87a438c85c8a 1930240 bytes
2 0x9ba0fece2d996b80fec3572a496c3c58 94208 bytes
3 0x1a6d63e0a1afbf7ebf6e19d4609bea3b 75264 bytes
4 0x1cc06a403c61f98bf0ca5437e6894784 696320 bytes
5 0xc3c4bb1529b639d04e2e53c07cbd84c3 238802 bytes
MD5 Hashes
# MD5 Size
6 0x031c23f4bad71570794dbfea6549e133 3776512 bytes
7 0x74333affcf44e271950b2fc0122079e2 2560 bytes
8 0x6263a7c227651000f80ff39d20076236 294912 bytes
9 0xdb8a02237d35ab10a3d2fb1f99cc984a 4354046 bytes
10 0x2742a0aefe512a2607ce47932f589121 1428480 bytes


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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.

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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.