The website "www.appround.biz" or "www.appround.net," claims that their software can, prevent your computer from crashing, speed up your computer, protect your privacy, speed up memory and disk performance. But, after downloading their software and scanning it for malicious programs, I found two adware.
Currently, please do not download and install any software from www.appround.biz or www.appround.net.
The "www.appround.biz" or "appround.net" Website

The following softwares were downloaded from www.appround.biz (Performersoft LLC) and both contain adwares:
PCPerformerSetup.exe and BestCodecsPack.exe
Both files contain the following adwares (anti-virus software ESET reported both adwares):
1: Comodo ApplicUnwnt.Win32.AdWare.IBrain.C
2: ESET-NOD32 a variant of Win32/InstallBrain.B 20120814
These files were scan at websites https://www.virustotal.com and http://virusscan.jotti.org.
Please see the malware scan results below:

How to Remove Appround.net/PCPerformer
Use the programs below to remove www.appround.net/pcperformer and the other unwanted programs that were installed on your computer by this software:
After downloading these programs, ensure that you close all web browsers. Run the "Avast Browser Cleanup" program first, and then the "AdwCleaner" program. You will be asked to reboot your computer, please do so, in order to completely remove WebCake and the other unwanted programs from your computer.