How to remove the SDLoader virus

Most antivirus programs identify SDLoader.dll as malware.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the SDLoader.dll malware

SDLoader.dll file information

Little is known about the SDLoader.dll process, since there is no reference to the producer within the file.

Description: SDLoader.dll is not essential for Windows and will often cause problems. SDLoader.dll is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 59,392 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 description of the program. It is not a Windows core file. It can change the behavior of other programs or manipulate other programs. The program is not visible. The service has no detailed description. The software starts when Windows starts (see Registry key: AppInit_DLLs). SDLoader.dll appears to be a compressed file. Therefore the technical security rating is 72% dangerous.

Recommended: Identify SDLoader.dll related errors

Important: You should check the SDLoader.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving SDLoader issues

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

SDLoader.dll [all]