What is ComcastAntiSpy.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the ComcastAntiSpy.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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ComcastAntiSpy.exe file information

Windows Task Manager with ComcastAntiSpy
ComcastAntiSpy.exe process in Windows Task Manager

The process belongs to software Comcast Toolbar by Visicom Media (

Description: ComcastAntiSpy.exe is not essential for Windows and will often cause problems. ComcastAntiSpy.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,589,208 bytes (93% of all occurrences), 1,622,488 bytes or 1,587,672 bytes. 
There is no description of the program. The program is not visible. The file has a digital signature. The process is loaded during the Windows boot process (see Registry key: Run). ComcastAntiSpy.exe is not a Windows core file. ComcastAntiSpy.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 57% dangerous; however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to do the following:

Recommended: Identify ComcastAntiSpy.exe related errors

Important: Some malware camouflages itself as ComcastAntiSpy.exe. Therefore, you should check the ComcastAntiSpy.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

it now runs on my computer all day, must be bogus
comcastantispy.exe belongs to Comcast Spyware Scan. Comcast's Spyware Scan is an application, powered by CA, that provides customers with spyware detection, cleaning, and quarantining capabilities. Comcast Spyware Scan allows you to schedule scans or to run a spyware scan at any time in a effort to help you protect your computer.
  Roberto   (further information)
This was using 97% of the CPU. After uninstalling the Toolbar I no longer have a slow system.
This program is installed by COMCAST techs when they install Internet service at your home. Apparently they don't ask you if you want it and it may (probably) will conflict with any other secuirty systems you have. This COMCAST AntiSpy exist in a folder that is installed in your Program Files . I believe it is comcastb or something like that. I did a search of my "Files and Folders" for COMCAST AntiSpy and found the folder that way. Inside the folder there is a uninstall program. This seems to be the only way to uninstall it, as it doesn't show in the Add/Remove Programs under Control
My computer will not shut down showing a comcastantispy.exe error.
  Tom Blasingame  
it is loacated in 86 folder comcastb and there is an uninstall in that folder, just uninstalling comcastoolbar DOES NOT get rid of comcastantispy it was using 87% of my quad core and actually taking so much cpu that i encountered overheating problems with the processor for the first time in 4 yrs uninstalling it from the program files folder finally got rid of it for me
in my task manager, comcastantispy.exe was taking up 25 of my CPU usage. I removed it from my active processes, and uninstalled the program from my program files. My CPU usage went from 40% to 5% just like that.
I get a 'enable' don't enable bar on my screen everytime I go online. How do I stop it. (I do click 'do not' each time).
  Gloria Stancich  
It is a pain! Takes up space, slows processes and does not leave when you try and remove from computer. Caused log off shut down error issues. Comcast told me it could be a bot or virus. Told me to remove CA Real Time Protection I had already done that it did not help. Finally found files as stated by scoot and others in notes above. Did the uninstall. I hope it works!
I couldn't shut down my computer (Win 7 64 bit) as it wouldn't close Program file removes it. and solves the problem
  Wayne Koch  
It interferes with system restore on win7
Had a cube floating on my screen and tried to remove it. now I can't get rid of it. takes over IE Don't know what to do
  Henry tc  
Uses 25 CPU. It also isn't part of Comcast (
I've had it for years and I've had no problems with it. When running a full system scan that takes about 30min for my comp my comp will run slow during the full system scan but other then that it's good. it has actually found sum adware on my comp and a problem with a bad toolbar. So I think it's good
This was taking up a lot 25% memory and slowing my windows7 down. I removed it and usage went to 1%.

Rating chart

Summary: Average user rating of ComcastAntiSpy.exe: based on 16 votes with 15 user comments. 2 users think ComcastAntiSpy.exe is essential for Windows or an installed application. 2 users think it's probably harmless. 3 users think it's neither essential nor dangerous. 4 users suspect danger. 5 users think ComcastAntiSpy.exe is dangerous and recommend removing it. 3 users don't grade ComcastAntiSpy.exe ("not sure about it").

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Best practices for resolving ComcastAntiSpy issues

A clean and tidy computer is the key requirement for avoiding problems with ComcastAntiSpy. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the ComcastAntiSpy.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

ComcastAntiSpy.exe [all]