Most antivirus programs identify winsrv32.exe as malware—for example TrendMicro identifies it as WORM_UTOTI.WFA, and Microsoft identifies it as Worm:MSIL/Rowtbut.B.
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Description: Winsrv32.exe is not essential for Windows and will often cause problems. Winsrv32.exe is located in the C:\Windows folder.
The file size on Windows 10/8/7/XP is 16,549 bytes.
There is no file information. The program is not visible. Winsrv32.exe is an unknown file in the Windows folder. The winsrv32.exe file is not a Windows system file. Winsrv32.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 72% dangerous.
Recommended: Identify winsrv32.exe related errors
If winsrv32.exe is located in the C:\Windows\System32 folder, the security rating is 76% dangerous. The file size is 61,440 bytes. The program is not visible. The file is an unknown file in the Windows folder. The winsrv32.exe file is not a Windows system file. The program uses ports to connect to or from a LAN or the Internet. The process starts upon Windows startup (see Registry key: Run).
External information from Paul Collins:
There are different files with the same name:
Important: You should check the winsrv32.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.
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active winsrv32 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the winsrv32.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 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.
driverchecker.exe mstbcorecontainer.exe terminplaner.exe dca-ua.exe winsrv32.exe displayfusionservice.exe [verify-u]-service.exe hxdl.exe systemsecurityguardtray.exe galaxyclient helper.exe sdserv.exe [all]