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Windows 7: Windows 7 x64 CryptSvc under Svchost uploading data

12 Feb 2015   #1
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 
Windows 7 x64 CryptSvc under Svchost uploading data

Can somone explain what **CRYPTSVC** cryptographic serivces/svchost is? I keep catching svchost uploading SOME kind of data via a network monitor.

I cannot find much info about cryptographic services. What EXACTLY is it and what kind of data would it be uploading or programs it would associate with and the data thats uploadin how can I find out to who/where its uploading TO?

This random contstant uploading is making me paranoid. When I kill the SVCHOST thet cryptsvc is in the uploading stops.

Its only small amounts of data.


My System SpecsSystem Spec
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14 Feb 2015   #2
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 

?????????????????
My System SpecsSystem Spec
14 Feb 2015   #3
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Do you use any cloud storage that might be auto uploading to a cloud?

Does your Antivirus AVG Business Edition have a auto cloud storage built into the program?
My System SpecsSystem Spec
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15 Feb 2015   #4
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 

I have dropbox but it is nothing has been added so there shouldn't be any activity?? When I upload it is only in use while it is being used. Does dropbox use bandwidth when no files are being used from it?

In AVG there was something checked that said:
"Allow in-the-cloud verification of threat detections. CAUTION: Disabling this feature could impact AVGs ability to protect you correctly. It is strongly recommenced to keep this feature enabled." EVerything else was unchecked.
I'll try to disable that and see if the uploads stop.

Whats confusing me though is its not just uploading when there is activity. It just randomly starts and upload for like 5-10 mins before it stops. Unless I get overly paranoid and end the process/service myself.

(EDIT--Since you mentioned AVG I shall also note that when I upgraded from AVG 2012 to the new 2015 version my computer is running slower than a turtle/snail now)


Attached Thumbnails
Windows 7 x64 CryptSvc under Svchost uploading data-capture.jpg  
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15 Feb 2015   #5
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Going by what I have been reading AVG has become very bloated and uses a lot of resources.

I really can't verify that personally because I haven't used AVG in many years.
I use MSE and Malwarebytes Premium and they serve me well.
My System SpecsSystem Spec
22 Feb 2015   #6
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 

OK so I left this sit for a few days but it still seems to be doing it. The network meter shows upload , I go to resource meter, Its svchost that show the highest upload in resource meter. Then I open task managaer and gp to the correct PID in services and of course it still that bloody cryptsvc uploading something and I can't figure out what is being uploaded and where its being uploaded TO. I kill the process in task manager and the upload stops. Little bit later cryptsvc is back and uploading again.

I um unable to find results on google on how to determine/research what is being uploaded by cryptsvc and to who or where whatever is being uploaded is going.

EDIT: I JUST FOUN CRYPTOGRAPHIC SERVICES IN SERVICES.MSC. i STOPPED IT AND DISABLED IT AS PER THE PICTURE. Is this leaving me open to any sort of attacks?


Attached Thumbnails
Windows 7 x64 CryptSvc under Svchost uploading data-capture1.jpg  
My System SpecsSystem Spec
02 Mar 2015   #7
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 

I woke up this morning and as soon as I turned on the monitor, according to the network meter *something* was being uploaded to *somewhere* and I still cant figure out how to identify and solve this. I killed the cryptsvc service and sure enough the upload stopped. In Cloud verification is disabled in AVG. Its not Dropbox because Dropbox is only 1 Send (B/s). The cryptsvc often shows upload rate of 10,xxx Send (B/s).

I ask again...Is it safe to disable and leave disabled cryptsvc in services.msc without leaving myself open to any sort of attacks? I read the description of what cryptsvc is in services but still cannot figure out why it needs to upload so often and what it is that is being uploading and to where?

(The resource meter picture is after I killed the svchost that contained the cryptsvc service)


Attached Thumbnails
Windows 7 x64 CryptSvc under Svchost uploading data-capture1.jpg   Windows 7 x64 CryptSvc under Svchost uploading data-capture5.jpg  
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02 Mar 2015   #8
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

All I can say is as long as you have a cloud update service doing auto updates you will be see updates.
If I was going to use a Cloud service I would use encryption if the data being put into the cloud is sensitive.
I would also do it manually not any kind of Auto settings.

Because I don't use a Cloud service I have no idea what setting selection you may or may not have.
You will have to look into the instruction of what ever cloud service you are using. I can't do that for you.
My System SpecsSystem Spec
03 Mar 2015   #9
logicearth

Windows 10 Pro (x64)
 
 

You are likely worried for nothing. This service handles the certificates on the machine, those used in SSL, and digital signatures. When it connects to the Internet its most likely validating the certificates to the Root Certificate Authority that is responsible for the certificate. All of the downloads from Windows Update for example are signed. Other vendors do the same.
My System SpecsSystem Spec
27 Mar 2015   #10
SomeUserName

Windows 7 Ultimate 64Bit (SP1)
 
 

Its at it again. REALLY Bad this morning too. I realize its a windows service but this is starting to cause me extreme paranoia.

Ive never seen the network meter go THIS nuts before. After I killed the service the upload flatlined.

Is that normal for cryptsvc to make the network meter to go like THAT???


Attached Images
Windows 7 x64 CryptSvc under Svchost uploading data-meter.jpg 
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