What is YPUBC.dll?

The file named YPUBC.dll is developed by Yahoo! Incorporation. The original developer of the DLL file has officially signed and verified the file for its authenticity. It is confirmed to be safe to work with because of the security updates rolled out. The DLL is used by Yahoo popup blocker companion app. The threat level is 1.

YPUBC.dll is located in C:\Program Files\yahoo!\companion\installs\cpn\ypubc.dll. The size of DLL file is 197 kilobytes. The version of the program found is 3.0.0.0. The DLL is found to be a non-system process which has no direct impact on the performance of the Windows operating system and hence can be removed without any issues.

Affected Platform: Windows  2000, XP, Vista, 7

How to check if your computer is infected with YPUBC.dll malware?       

Each malware is different and causes unique problems to the system. You will notice one or several of the following symptoms if your system is infected with YPUBC.dll malware:

• Internet connection fluctuates
• YPUBC.dll file is taking more of your CPU memory 
• System performance is very low
• Browser is redirected to some strange websites
• Interference of annoying popup ads
• Other malwares infiltrate into the system

To further establish the malware infection, take the following steps:

• Go to Task Manager by pressing the combination of keys ctrl+alt+del
• Go to the process tab and right-click on the YPUBC.dll and open the file location

If the file is located outside C:\Program Files\yahoo!\companion\installs\cpn\ypubc.dll, then it is likely that the system is affected with YPUBC.dll malware.

How to remove YPUBC.dll malware from system using Comodo Antivirus?

Ideally, replacing the existing YPUBC.dll file on your computer with a different version procured from the internet is advisable. To remove the file using Comodo's trusted and effective antivirus software, follow the steps below:

Step 1: Download the award-winning Comodo Antivirus.

Step 2: Installation configuration frames will be displayed. Select the configuration you would like to apply.

Step 3: Select Customize Configuration option and arrange installers, configuration, and file location.

Step 4: Once the Installation is Finished, restart your PC.

Step 5: It will take some time for the Comodo Internet Security to update the antivirus.

Step 6: Proceed with a quick scan that automatically begins after the update.

Step 7: If threats are found during the scanning, you will be prompted with an alert screen.

Step 8: Comodo Antivirus will remove YPUBC.dll malware from your computer including all other malwares!