Most antivirus programs identify abengine.dll as malware—such as BitDefender identifies it as Adware.Agent.POL, and Sophos identifies it as Komodia (PUA).
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Description: Abengine.dll is not essential for Windows and will often cause problems. The file abengine.dll is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 341,952 bytes (58% of all occurrences), 342,192 bytes, 324,720 bytes, 324,592 bytes or 318,608 bytes.
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. There is no information about the author of the file. It can change the behavior of other programs or manipulate other programs. The program has no visible window. The service has no detailed description. Abengine.dll is not a Windows core file. Therefore the technical security rating is 80% dangerous.
Recommended: Identify abengine.dll related errors
Important: You should check the abengine.dll process on your PC to see if it is a threat. If abengine.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 ▾
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active abengine process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the abengine.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.