Most antivirus programs identify restorer32_a.exe as malware—e.g. Kaspersky identifies it as Trojan-Dropper.Win32.Agent.besr or Trojan-Downloader.Win32.Mutant.gkf, and Microsoft identifies it as TrojanDownloader:Win32/Cutwail.AQ or VirTool:Win32/Injector.gen!Z.
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Description: Restorer32_a.exe is not essential for Windows and will often cause problems. Restorer32_a.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 47,104 bytes (27% of all occurrences), 47,360 bytes and 6 more variants.
There is no description of the program. The file is not a Windows system file. The program is not visible. The restorer32_a.exe file is located in the Windows folder, but it is not a Windows core file. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run, Run, DEFAULT\Run). Therefore the technical security rating is 78% dangerous, however you should also read the user reviews.
Recommended: Identify restorer32_a.exe related errors
If restorer32_a.exe is located in a subfolder of the user's profile folder, the security rating is 64% dangerous. The file size is 47,360 bytes (20% of all occurrences), 58,877 bytes, 26,936 bytes, 47,104 bytes or 43,520 bytes. It is a file with no information about its developer. The program is not visible. It is not a Windows system file. The software starts upon Windows startup (see Registry key: MACHINE\Run, Run, DEFAULT\Run).
Important: You should check the restorer32_a.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 restorer32_a process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the restorer32_a.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.