Most antivirus programs identify winapi32.dll as malware.
The winapi32.dll file is a software component of Trojan SpyDownloader.
Winapi32.dll is a DLL (Dynamic Link Library) file that is created by Trojan SpyDownloader (also called Troj/SpyDldr-G or TFactory), a malicious computer program that downloads and installs malware. DLL files store data, code and resources needed by one or more programs in order to function correctly. This file is not a critical Windows component and should be removed immediately upon discovery. Trojan SpyDownloader advertises through fake system alerts. It edits the registry and downloads various fake files, which it can then report as spyware and adware, to trick users into buying spyware and adware removal software. The program displays notification messages such as, 'This notice is brought to you by Windows Security Center.'
WinAPI32 stands for Windows Application Programming Interface (32-bit)
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There is no information about the producer in the process.
Description: Winapi32.dll is not essential for Windows and will often cause problems. Winapi32.dll is located in the C:\Windows\System32 folder.
The file size on Windows 10/8/7/XP is 6,867 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 7A533235-A128-434B-9F8A-9300A544D191 or 26C43C19-A1CE-456E-9CBF-77FFB9E92681 or 62E2E094-F989-48C6-B947-6E79DA2294F9 or AF79D4A2-725D-4627-9E34-08C04833D798. The winapi32.dll file is a file with no information about its developer. The program is not visible. The file is located in the Windows folder, but it is not a Windows core file. Winapi32.dll is able to monitor web browsers. The service has no detailed description. The file is not a Windows system file. winapi32.dll appears to be a compressed file. Therefore the technical security rating is 92% dangerous, however you should also read the user reviews.
Recommended: Identify winapi32.dll related errors
Important: You should check the winapi32.dll process on your PC to see if it is a threat. If winapi32.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 winapi32 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the winapi32.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.