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



a2service.exe (a-squared)

Percentage of recently scanned PC's with this process running: 0.39%
Average CPU use for this program: 0%
Average RAM for this program: 5 MB


In addition to the file name, a2service.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:Emsi Software
Product is not specified

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


Vendor or Distributor's Web Site

http://www.asquared.com/



Win Patrol

a2service.exe - a2service.exe is a-squared form Emsi Software. It scans your computer for Trojans, dialers, Worms, and other malware.

a2service.exe  is required by third-party software or hardware and should not disabled.

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 a2service.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
a2service.exe> 10
MD5 Hashes
# MD5 Size
1 0xae167a5a88fc5efc163b0e6f59b4bf0a 226936 bytes
2 0xf4000b5ce5d5a8627e57fefbb6dfa541 368752 bytes
3 0xa314da1a6b038d43ec61b2b7248904e7 366192 bytes
4 0xfac66be04f53b42983ba995fb3d3efe1 217208 bytes
5 0x6a229601d5d2675d218837b03b8aabb9 423544 bytes
MD5 Hashes
# MD5 Size
6 0xc49ea174263f91f228338d27064af971 368760 bytes
7 0xd896057dba4f8730616af2681552fd3c 224376 bytes
8 0xbd76edc70c5a86d6e42cccdd7ca1669c 363520 bytes
9 0xbc889c79d4594785da9879141def2a19 226424 bytes
10 0xd8adf0518c336abc6fa49412dc9de141 366712 bytes

Match #2



a2service.exe (a2service.exe)

Percentage of recently scanned PC's with this process running: 0.02%
Average CPU use for this program: 4%
Average RAM for this program: 2 MB


In addition to the file name, a2service.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:Emsi Software GmbH
Product contains:Emsisoft Anti-Malware
File name contains:\Program Files\Mamutu\a2service.exe

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




Win Patrol

a2service.exe -

a2service.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.




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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.

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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.