What is Csrss.exe... how I do not know if it is a Trojan or a virus?

What is csrss.exe and should I worry?

Csrss.exe is Client/Server Runtime Subsystem

http://en.Wikipedia.org/wiki/client/Server_Runtime_Subsystem

All the Microsoft system has file csrss.exe running in the Task Manager, but it is likely to be infected by others. If it uses a lot of time processor and extremely abnormal inside activities in the Task Manager. Try to scan your computer with an Antivirus Anti software.

Don't forget to vote too useful for others and to accept the proposed response, if it is relevant build it KB in this Forum.

Tags: Windows

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  • The very problematic recent virus - qtfcyyp.exe - why he does not know?

    Hello

    System of my friend (P4, 1GD - ram, XP + sp3 with a net conn Bsnl in Bangalore, India) was struck by the Trojan qtfcyyp.exe slows down his system. I used computers for a very long time and considered as somewhat advanced as he called me.

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    Hi jamesdsouza,

    ·         The computer now starts on the desktop?

    Method 1: If this is the case, then you can check if the Microsoft Safety Scanner can help analyze the system. Check out the following link to do the same thing.

    Microsoft Safety Scanner - free online tool for PC health and safety

    You can also download and install Microsoft Security Essentials.

    Method 2: Try to start in safe mode with networking , if you are unable to start up normally.

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  • I have a virus in my system of csrss.exe

    I have two systems of csrss.exe on my computer. I know that one is a viruse and who he is. can someone tell me hoe to remove it.

    Thanks in advance.

    I recommend that you let your virus scanner check your computer infections rather worry that you are not familiar with the system files.

    http://www.trickyways.com/2010/03/what-is-Csrss-exe-process-in-Windows-is-it-a-virus-how-to-identify-orignal-file/

    Suggest that you first spread malware as the cause of the problem by following these steps:

    I. - delete your temporary files

    Clean the system (compensation to all temp/tmp folders and included all the content offline, the tif browser, delete the cookies of compensation.)

    http://winhelp2002.MVPs.org/delcache.htm>

    Click Start > all programs > Accessories > System Tools > Disk Cleanup
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    III. - run this tool from Kaspersky: how to remove malware belonging to the family of Rootkit. Win32.TDSS

    http://support.Kaspersky.com/viruses/solutions?QID=208280684>
    IV. - download, install, update and run both of these tools to a-squared free scans:

    A very good antimalware app is SUPERAntiSpyware (SAS) and MalwareBytes Anti-Malware (MBAM).

    It is recommended to use the intelligent quick scan regularly, and complete analysis on a longer frequency - weekly, monthly - or only when something is found or you have a reason to suspect

    MalwareBytes anti-malware (MBAM)

    http://www.Malwarebytes.org/products/malwarebytes_free>

    SUPERAntiSpyware (SAS)

    http://SUPERAntiSpyware.com/superantispywarefreevspro.html>

    Csrss.exe is a standard part of Windows, and the Task Manager cannot display their properties.

    To make sure that they are legitimate Windows programs, you can examine them with the free program from Windows Sysinternals Process Explorer :

    1. Download ProcessExplorer.zip from the link I gave.

    2. Right-click and unzip the file.

    3. Right click on the extracted Procexp.exe file.

    4. Click run as administrator .

    5. Make a right click Csrss.exe or winlogon.exe in the process list.

    6. Click on Properties .

    7. Click the Image tab.

    8. Click on the check button.

    It should show that the file is loaded from the directory C:\Windows\System32\ and tell (checked) Microsoft Windows .

    UTC/GMT is 17:36 Wednesday, May 23, 2012

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    The computer is running XP (service pack 3) and Microsoft Security Essentials (MSE).

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    He suggested to delete the reference to it in the registry.

    ========================================

    In fact, after a search, my computer has csrss.exe, but not, in the directory, he said he couldn't find csrss.exe.

    Don't know if "Deleting the reference in the registry" would work.  (I don't know how to do, so I have not tried).

    -----------------------------------------------------------------------

    Thinking just copy csrss.exe (already in my computer) in that directory where the computer said that it could not find.

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    -----------------------------------------------------------------------

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    ========================================

    Please help, very much appreciated.

    Skip

    Hello

    I suggest you to follow these steps and check if that helps:

    Method 1:

    Try to perform the file system checker and see if it helps:
    http://support.Microsoft.com/kb/310747

    Method 2:

    Try to restore the computer to an earlier point and check if it helps:

    http://support.Microsoft.com/kb/306084

    It will be useful.

  • When I open the Task Manager and select "Show processes from all users" there are 2 files virus csrss.exe?

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    I use Vista Home Premium.  When I open the Task Manager and select "Show processes from all users" there are 2 files csrss.exe.  I learned that this indicates that I was infected by a virus.  Is this the case?

    Hi Julie,.

    Did you the latest changes on the system?

    Csrss.exe is Client/Server Runtime Subsystem.  All the Microsoft system has file csrss.exe running in the Task Manager, but it is likely to be infected by others. If it uses a lot of time processor and extremely abnormal in activities in the Task Manager, you can run a scan of the system security.

    You can read the following article to download the Microsoft Safety Scanner and perform a full scan on your computer.

    Microsoft safety scanner

    Note: When you perform the analysis, there are chances of losing the data that you can take a backup of important data before performing analysis.

    Hope this information is useful.

  • do not know Apple ID, password and do not know what email has been used.

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    my friend has activated its phone of one of the shops in one of the markets.

    Today, after the restoration, now he doesn't know what Email. Apple ID and do not know what email have been used

    so now the phone is stuck in the activation step.
    is there anyway you can skip this step or change this Apple ID?

    He went to the market, but the market is now closed and moved to somewhere else and he can't find the person who created this account for him.
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    BR,

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    shahokoyee wrote:

    Dear,

    my friend has activated its phone of one of the shops in one of the markets.

    Today, after the restoration, now he doesn't know what Email. Apple ID and do not know what email have been used

    so now the phone is stuck in the activation step.
    is there anyway you can skip this step or change this Apple ID?

    He went to the market, but the market is now closed and moved to somewhere else and he can't find the person who created this account for him.
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    No it not there no action to jump.

    You have probably fallen on this.

    Turn off find my iPhone Activation Lock - Apple Support

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  • In XP get error log that csrss.exe is not found, what is it?

    The csrss.exe file is needed? I get an error when opening session that this file is not found.

    Hello

    To do: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:

    http://support.Microsoft.com/kb/322756/

    How to back up and restore the registry in Windows

    You can refer to the following steps:

    * Click Start > run

    * Type regedit and press to enter.

    * Search HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

    * Right-click on winlogon, and select export.

    * Save the reg file to a location incase you must cancel the following changes.

    * In winlogin search shell and double-click it.

    * Change the value of "Explorer.exe C:\WINDOWS\System32\csrss.exe" just "Explorer.exe".

    * Save changes and disconnect and reconnect.

    * Restart the computer.

  • What is CSRSS. EXE - 08A6322A.pf? It is located in "C:\WINDOWS/Prefetch"__I tried to open it, but Windows is not a program that can be read. It is supposed to be there, or is it something that Can / should I get rid?

    Please answer quickly...

    Please see my response to your other post in the networking forum. CSRSS.exe if located in the Windows/System 32 program is a Windows core system file. If it is elsewhere (not to mention the Prefetch - see below for that) it's a Trojan horse. By my suggestions to you in the other forum, you should always make sure that your computer is free from virus/malware when troubleshooting so that you know that you are working from a clean base.

    http://www.elephantboycomputers.com/page2.html#Removing_Malware

    The file you mention in your question is a Prefetch file. Here is an explanation of what is Prefetch:

    The files in the Prefetch folder are files of data associated with the speed improvement to the what applications start. Windows XP monitors files that are used when the computer starts and when you start applications. By monitoring these files, Windows XP can preload the. Data preloading is the process by which the data that should be requested are read-ahead in the cache. Preloading of applications and startup files decreases the time required to start Windows XP and launch applications. MS - MVP - Elephant Boy computers - don't panic!

  • Is CSRSS.exe Trojan horse and how get rid of?

    I was told by one of the representatives of the Office to help HP that CSRSS.exe is a Trojan horse and the reason for which their printer is not working and why internet Explorer began to crash after I tried to install their printer... question is one CSRSS.exe Trojan and if I do I delete it from my computer.

    Hello

    If you need search malware here's my recommendations - they will allow you to
    scrutiny and the withdrawal without ending up with a load of spyware programs running
    resident who can cause as many questions as the malware and may be harder to detect as
    the cause.

    No one program cannot be used to detect and remove any malware. Added that often easy
    to detect malicious software often comes with a much harder to detect and remove the payload. Then
    its best to be thorough than paying the high price later now too. Check with them to one
    extreme overkill point and then run the cleaning only when you are sure that the system is clean.

    The methods below are for Windows 7 - Vista is very similar - for XP using RUN instead of
    Start - Search,.

    It can be made repeatedly in Mode safe - F8 tap that you start, however, you must also run
    the regular windows when you can.

    TDSSKiller.exe. - Download the desktop - so go ahead and right-click on it - RUN AS ADMIN
    It will display all the infections in the report after you run - if it will not run changed the name of
    TDSSKiller.exe to tdsskiller.com. If she finds something or not does not mean that you should not
    check with the other methods below.
    http://support.Kaspersky.com/viruses/solutions?QID=208280684

    Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
    (If Rootkits run UnHackMe)

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Malwarebytes - free
    http://www.Malwarebytes.org/products/malwarebytes_free

    SuperAntiSpyware Portable Scanner - free
    http://www.SUPERAntiSpyware.com/portablescanner.HTML?tag=SAS_HOMEPAGE

    Run the malware removal tool from Microsoft

    Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

    You should get this tool and its updates via Windows updates - if necessary, you can
    Download it here.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
    (Then run MRT as shown above.)

    Microsoft Malicious - 32-bit removal tool
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

    Microsoft Malicious removal tool - 64 bit
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

    also install Prevx to be sure that it is all gone.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
    security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
    here or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp?prevx=Y  <-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

    Try the demo version of Hitman Pro:

    Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
    (viruses, Trojans, rootkits, etc.). who infected your computer despite safe
    what you have done (such as antivirus, firewall, etc.).
    http://www.SurfRight.nl/en/hitmanpro

    --------------------------------------------------------

    If necessary here are some free online scanners to help the

    http://www.eset.com/onlinescan/

    -----------------------------------

    Original version is now replaced by the Microsoft Safety Scanner
    http://OneCare.live.com/site/en-us/default.htm

    Microsoft safety scanner
    http://www.Microsoft.com/security/scanner/en-us/default.aspx

    ----------------------------------

    http://www.Kaspersky.com/virusscanner

    Other tests free online
    http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

    --------------------------------------------------------

    After the removal of the malware: (for VISTA and XP, you must use their recommended
    methods to perform the SFC and CHKDSK which are similar.)

    Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
    system files.

    Start - type this in the search box-> find COMMAND at the top and RIGHT CLICK – RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to fix the system files of Windows 7 with the System File Checker
    http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.html

    How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
    generates in Windows Vista cbs.log
    http://support.Microsoft.com/kb/928228

    Also run CheckDisk, so we cannot exclude as much as possible of the corruption.

    How to run check disk in Windows 7
    http://www.SevenForums.com/tutorials/433-disk-check.html

    -----------------------------------------------------------------------

    If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

    http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

    ======================================

    VISTA and XP need other methods for a repair Installation.

    If necessary AFTER you are sure that the machine is clean of any malware. (DO NOT USE IF)
    MALWARE IS STILL PRESENT).

    How to do a repair installation to fix Windows 7
    http://www.SevenForums.com/tutorials/3413-repair-install.html

    =======================================

    For extreme cases:

    Norton Power Eraser - eliminates deeply embedded and difficult to remove crimeware
    This traditional antivirus analysis does not always detect. Because the Norton Power Eraser
    uses aggressive methods to detect these threats, there is a risk that it can select some
    legitimate programs for removal. You should use this tool very carefully and only after
    you have exhausted other options.
    http://us.Norton.com/support/DIY/index.jsp

    ================================

    If you are in North America, you can call 866-727-2338 for virus and spyware help
    infections. See http://www.microsoft.com/protect/support/default.mspx for more details. For
    international information, see your subsidiary local Support site.

    Microsoft support - Virus and Security Solution Center
    http://support.Microsoft.com/contactus/cu_sc_virsec_master?ws=support#TAB0

    I hope this helps.

    Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle=""><- mark="" twain="" said="" it="">

  • How can I know the exact date of the csrss.exe download?

    HelloW please someone tell me how can I know the exact date of the download or installation of csrss on my pc. in the properties of the box, I can only find an old date (date of creation 2009) but think I didn t have this pc so... Please help me

    Hello

    Thanks for posting your query in Microsoft Community.

    I understand that you have questions about the date of download csrss.exe.

    But I would like to know more information, to help you better.

    (1) get any error message related to this csrss.exe process?

    (2) what is the problem in the computer?

    In the meantime, please refer to the below suggestion.

    In fact, the csrss.exe is not a program that can be downloaded, it is rather a process in the Windows System. Thus, it would display the date of creation as the process is being created. Csrss.exe is a system process that is needed for your PC to function properly. It should not be deleted.

    The Microsoft Client Server Runtime Server subsystem uses the csrss.exe. This process of management of the majority of the graphical instruction sets under the Microsoft Windows operating system. As such Csrss.exe offers the important functions of the operating system, and the Blue Screen of Death displayed may lead to his termination.

    Csrss.exe threading and features of Win32 console window controls. Threading is where the application itself is divided into several simultaneous running tasks. Threads supported by csrss.exe are different
    process in this son are usually included in the process, with different threads, sharing of resources within the same process. The Win32 console is plain text window in the Windows API system (programs can use the console without the need for display of the image).

    Additional information:

    Csrss.exe

    http://answers.Microsoft.com/en-us/protect/Forum/MSE-protect_scanning/csrssexe/26bba20c-2691-4D42-bec4-637436c53c4f

    I hope this helps. Otherwise, feel free to write back and we woll will be happy to help.

    Thank you

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    Hi-

    I was repairing a corrupted install of Windows XP on a Dell laptop, and as part of what I have been reinstalling and updated the drivers for my Photosmart C7280.  I went to HP and Support drivers for my printer and OS, and methodically downloaded software page everything listed there except the beam of IT professionals.  Then after a pause of a few hours I came back and immediately after their installation, starting with the full set of features, and then the different update packages in order of the date of the release.  While doing this I had to return to the web page for each download to match the name of the file with the date of its release.

    When I was installing all the updates that are listed, I discovered that I had a file that has not been listed: slp_dd_hathi_110_017.exe.  I went ahead and installed without thinking, then started getting nervous because I didn't know what it was, or how he got there.  (My brain is fried hard to rebuild this machine).

    After many the web search and the HP support site, I found a post in this forum related to a file of the same name on ftp.hp.com: slp_dd_hathi_hpu_110_008.exe.  Then I searched the ftp site and found two separate copies of the file that I downloaded, but I still don't know what it is and how I got it.  Has been published on the support page when I was doing the downloads and removed at the time that I started to install?  What is a good update?  What is - this and why it is not listed with the other updates?

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    Mark

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    Windows easy transfer will not work.  I get the message: "migwiz.exe - point of entry not found.  How can I fix it?

    Hi PTTimothy

    1. what operating system is installed on the computer?

    2. you are the administrator of the computer?

    I suggest you to check and to provide us with the information about the installed operating system.

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    Create a new user account-
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    c. If all files require a SFC replace will replace them. You may be asked to insert your Win7 DVD for this process to continue.
    d. If everything is correct you should, after the scan, see the following message "resource protection Windows not found any breach of integrity".
    e. once the scan is finished, close the command prompt window, restart the computer and check.

    Check the link below for further guidance on scan SFC - mentioned
    http://support.Microsoft.com/kb/929833

    I hope this helps.

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