How to remove the ddabc.dll malware

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

Click here to automatically remove the ddabc.dll malware

Ddabc.dll file information

At the present time, we have no confirmed details about the software with which ddabc.dll is associated.

Description: Ddabc.dll is not essential for Windows and will often cause problems. Ddabc.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 280,676 bytes (11% of all occurrences), 573,492 bytes and 25 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 CB3231EC-C9A0-4E6A-8E5B-5831A4C1C444 or 997A57F5-53F7-4F2D-BD8D-F7E5AF99967D or 44 more variants. There is no information about the author of the file. The program has no visible window. There is no detailed description of this service. The file is not a Windows core file. Ddabc.dll is located in the Windows folder, but it is not a Windows core file. It is able to monitor web browsers. Ddabc.dll is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 92% dangerous.

Recommended: Identify ddabc.dll related errors

If ddabc.dll is located in the Windows folder for temporary files, the security rating is 36% dangerous. The file size is 292,352 bytes. The program has a visible window. It is a file with no information about its developer. The application is loaded during the Windows boot process (see Registry key: Run). Ddabc.dll is not a Windows core file. ddabc.dll appears to be a compressed file.

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

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

ddabc.dll [all]