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Windows 7: Random CMD.exe popping up

14 Jun 2015   #1
jhock2012

Windows 7 Ultimate x64
 
 
Random CMD.exe popping up

Okay so I migrated to an SSD yesterday and am now getting random cmd screens flashing up. No commands as you can see in screenshot I got with Snagit. It flashes for literally one frame. Also with ProcMon I for these processes coming up at the time it flashes. Any help is appreciated!




Attached Thumbnails
Random CMD.exe popping up-2015-06-14_20-32-11.jpg  
Attached Images
Random CMD.exe popping up-2015-06-14_20-24-59.jpg 
My System SpecsSystem Spec
.
14 Jun 2015   #2
UsernameIssues

W7 Pro SP1 64bit
 
 

Filter Process Monitor to only show Process and Thread Activity.

Random CMD.exe popping up-pm.png


We want to see what is starting what and we want to see the command line info in the details section. After gathering the data, select the first line, press Ctrl + F and search for cmd.exe. Soon after the line that the search finds, there should be an Operation called Process Start.

Random CMD.exe popping up-pm2.png


Double click on that Process Start line and show us a screen shot of the command line details:

Random CMD.exe popping up-pm3.png

The screenshot above is just Explorer.exe starting cmd.exe. The command line for that event won't have any info after cdm.exe.

BTW, Snagit's slow frame rate makes it hard to see stuff like this. I use an old version of CamStudio (version 2) installed in the root of the OS drive to capture events like these. Then I use Media Player Classic to step thru the video frame by frame.


My System SpecsSystem Spec
15 Jun 2015   #3
jhock2012

Windows 7 Ultimate x64
 
 

Okay here ya go!


Attached Thumbnails
Random CMD.exe popping up-2015-06-15_20-05-43.jpg  
My System SpecsSystem Spec
.

15 Jun 2015   #4
UsernameIssues

W7 Pro SP1 64bit
 
 

Interesting.


I should have also asked for the first row where the Ctrl + F search finds cmd.exe. That should be a Process Create operation. What is the process in the column named Process Name? In other words, what process starts cmd.exe?

Here is my example of Explorer starting cmd.exe:

My System SpecsSystem Spec
15 Jun 2015   #5
jhock2012

Windows 7 Ultimate x64
 
 

Okay here is where the process is created and the command line details.


Attached Thumbnails
Random CMD.exe popping up-2015-06-15_22-17-21.jpg   Random CMD.exe popping up-2015-06-15_22-17-48.jpg  
My System SpecsSystem Spec
15 Jun 2015   #6
UsernameIssues

W7 Pro SP1 64bit
 
 

I have no idea why that service is starting cmd which starts regsvr32 and does something with a tmp file.

Let's see if other forum members have a clue.
My System SpecsSystem Spec
16 Jun 2015   #7
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

All I can think of is malware!
- and possibly a Task Scheduler?
My System SpecsSystem Spec
16 Jun 2015   #8
GokAy

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by NoelDP View Post
All I can think of is malware!
- and possibly a Task Scheduler?
Scan with Malwarebytes Anti-malware free.
Perform a clean startup Troubleshoot Application Conflicts by Performing a Clean Startup
My System SpecsSystem Spec
16 Jun 2015   #9
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

jhock2012 do you have or have you ever had any products or programs by IObits on this computer??
My System SpecsSystem Spec
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 Random CMD.exe popping up




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