Most antivirus programs identify mstwain32.exe as malware—for instance Symantec identifies it as Backdoor.Trojan or Trojan.Gen, and Microsoft identifies it as Backdoor:Win32/Turkojan.AI.
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At the present time, we have no confirmed details about the software with which mstwain32.exe is associated.
Description: Mstwain32.exe is not essential for Windows and will often cause problems. The file mstwain32.exe is located in the C:\Windows folder.
Known file sizes on Windows 10/8/7/XP are 1,569,792 bytes (33% of all occurrences), 1,341,440 bytes or 124,416 bytes.
There is no information about the author of the file. The program has no visible window. It is located in the Windows folder, but it is not a Windows core file. The process starts when Windows starts (see Registry key: Run). The file is able to record keyboard inputs. The mstwain32.exe file is not a Windows core file. The program is a hidden stealth process. Mstwain32.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 100% dangerous, however you should also read the user reviews.
Recommended: Identify mstwain32.exe related errors
If mstwain32.exe is located in a subfolder of the user's profile folder, the security rating is 64% dangerous. The file size is 111,104 bytes. The software has no file description. The program has no visible window. The application is loaded during the Windows boot process (see Registry key: Run). It is not a Windows system file. Mstwain32.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs.
Important: You should check the mstwain32.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: ASecurity Task Manager examines the active mstwain32 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the mstwain32.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.