How to remove the RightSurf malware

Most antivirus programs classify RightSurfbho.dll as a harmful extension to Internet Explorer: e.g. TROJ_GEN.R0C1C0EFB15 or TROJ_GEN.R047C0EH215 (detected by TrendMicro), and PUA.Yontoo.C!gen1 or SAPE.Heur.4e0a (detected by Symantec). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated RightSurf software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about RightSurf and how to get rid of it.

Click here to automatically remove the RightSurf malware

RightSurfbho.dll file information

The process known as RightSurf belongs to software RightSurf by RightSurf.

Description: RightSurfbho.dll is not essential for Windows and will often cause problems. RightSurfbho.dll is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 249,632 bytes. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 88be1aa9-6740-461c-9e3e-f35eb8fa741c. The program has no visible window. The RightSurfbho.dll file is a Verisign signed file. It is able to monitor web browsers. The file is certified by a trustworthy company. It is not a Windows core file. Therefore the technical security rating is 34% dangerous.

Uninstalling this variant: The software publisher Rightsurf provides direct support ( and update information ( You could completely remove RightSurf (Control Panel ⇒ Uninstall a Program).

Recommended: Identify RightSurfbho.dll related errors

Important: You should check the RightSurfbho.dll process on your PC to see if it is a threat. If RightSurf has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving RightSurfbho issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active RightSurfbho process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the RightSurfbho.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

RightSurfbho.dll [all]