How to remove the silverlight-runtime virus

Most antivirus programs identify silverlight-runtime.exe as malware—e.g. Kaspersky identifies it as Trojan.Win32.Agent.hlko, and BitDefender identifies it as Trojan.Generic.5476850 or Trojan.Generic.5441871.

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 silverlight-runtime.exe malware

Silverlight-runtime.exe file information

Windows Task Manager with silverlight-runtime
Silverlight-runtime.exe process in Windows Task Manager

The process known as srvr appears to belong to software srvr by unknown.

Description: Silverlight-runtime.exe is not essential for Windows and will often cause problems. Silverlight-runtime.exe is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 61,952 bytes. 
The process has no file description. The file is located in the Windows folder, but it is not a Windows core file. The program is not visible. The process starts upon Windows startup (see Registry key: MACHINE\Run, Run). It is not a Windows system file. Therefore the technical security rating is 80% dangerous.

Recommended: Identify silverlight-runtime.exe related errors

If silverlight-runtime.exe is located in a subfolder of the user's profile folder, the security rating is 36% dangerous. The file size is 13,179,660 bytes. The program has a visible window. The silverlight-runtime.exe file is a file with no information about its developer. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run, Run). It is not a Windows system file. Silverlight-runtime.exe is able to manipulate other programs.

Important: You should check the silverlight-runtime.exe 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 silverlight-runtime issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active silverlight-runtime process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the silverlight-runtime.exe 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 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

silverlight-runtime.exe [all]