Characteristics of Speedtestbeta.com->Computer would stuck at multiple tasks and run much slowly than before;
->Page loading speed is much slower and the Internet connectivity is somehow unstable;
->Ads may start to popup when you are browsing and they will increase in frequency;
->Useless add-ons, extensions and toolbar application will come in your sight;
->Wanted results may back to you if you hit back again;
->Certain sites may be blocked and your homepage will not be changed back no matter what you have tried.
Instructions on how to remove Speedtestbeta.com manually
Step 1: Boot your infected computer into Safe Mode with Networking
(Reboot your infected PC > keep pressing F8 key before Windows start-up screen shows>use the arrow keys to select “Safe Mode with Networking” and press Enter.)
Step 2: Press Ctrl+Alt+Del keys together and stop Speedtestbeta.com processes in the Windows Task Manager.
Step 3: Open the Registry Editor, search for and delete these Registry Entries created by Speedtestbeta.com.
(Click Start button> click "Run" > Input "regedit" into the Run box and click ok)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\random
Step 4: Detect and remove Speedtestbeta.com associated files listed below:
Manual removal of Speedtestbeta.com is known as the most effective way. Anyway, it refers to key parts of computer system, and is recommended only for advanced users. If you have not sufficient expertise on doing that, you may face risk of damaging the computer. In this circumstance, asking help from online expert to manually remove the virus for you will be a wise choice.