How to remove the ddcyv.dll malware

Most antivirus programs classify ddcyv.dll as a harmful extension to Internet Explorer: for instance Win32:Adware-gen. (detected by Avast), and Vundo (detected by McAfee). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated ddcyv.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 ddcyv.dll and how to get rid of it.

Click here to automatically remove the ddcyv.dll malware

Ddcyv.dll file information

The process contains no information about its author.

Description: Ddcyv.dll is not essential for Windows and will often cause problems. Ddcyv.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 573,492 bytes (22% of all occurrences), 280,676 bytes and 24 more variants. 
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 2EDD4B1A-8799-4352-ABCF-8CC8A42BDB38 or 3CD06840-C9AD-4C34-84EE-8F5042A212E7 or 59 more variants. The file is a file with no information about its developer. The program is not visible. There is no detailed description of this service. The ddcyv.dll file is not a Windows core file. It is an unknown file in the Windows folder. It is able to monitor web browsers. Ddcyv.dll is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 93% dangerous.

Recommended: Identify ddcyv.dll related errors

Important: You should check the ddcyv.dll process on your PC to see if it is a threat. If ddcyv.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 ddcyv issues

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

ddcyv.dll [all]