How to remove the cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll malware

Most antivirus programs classify cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll as a harmful extension to Internet Explorer: for instance Generic PUA LG (PUA) (detected by Sophos), and TROJ_GEN.R002C0OCU16 or TROJ_GEN.R02KC0OKD15 (detected by TrendMicro). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll 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 cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll and how to get rid of it.

Click here to automatically remove the cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll malware

Cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll file information

The process known as cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll belongs to software Search Know by Buy Online.

Description: Cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll is not essential for Windows and will often cause problems. Cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 145,608 bytes (50% of all occurrences) or 144,072 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 cdc9b2b6-5796-4d44-bc7a-2fa644057d7f. The software has no file description. The program has no visible window. It is a Verisign signed file. The cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll file is able to change the behavior of, or monitor Internet Explorer. The file is digitally signed. The file is not a Windows system file. Therefore the technical security rating is 46% dangerous.

Uninstalling this variant: The developer Searchitknow provides a website for help and for updates. There is also an uninstaller (Control Panel ⇒ Uninstall a Program ⇒ Search Know).

Recommended: Identify cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll related errors

Important: You should check the cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll process on your PC to see if it is a threat. If cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll 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 cdc9b2b6-5796-4d44-bc7a-2fa644057d7f issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active cdc9b2b6-5796-4d44-bc7a-2fa644057d7f process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.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

cdc9b2b6-5796-4d44-bc7a-2fa644057d7f.dll [all]