Is spoolsv.exe safe?
Spoolsv.exe is a executable file (a program) within Windows. The filename extension .exe denotes an executable file. You should only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if spoolsv.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or to an application you can trust.
Spoolsv.exe file information
The process known as Spooler SubSystem App or mIRC or Netcodo or xx or Microsoft® Windows® Operating System or SU Modded By Booster2ooo or Input Director
belongs to software Microsoft Windows Operating System or mIRC or Netcodo or ZyGoVideo or xx or Input Director or Services or Outerinfo
by Microsoft (www.microsoft.com) or mIRC Co. (www.mirc.com) or Netcodo or xx or ClassicsExperience or Personal or Microsoft Windows Operating System (windows.microsoft.com).
Description: The original spoolsv.exe from Microsoft is an important part of Windows, but often causes problems. The file spoolsv.exe is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 57,856 bytes (84% of all occurrences), 51,200 bytes and 37 more variants.
The program is not visible. It is a Microsoft signed file. Therefore the technical security rating is 16% dangerous, however also read the users reviews.
Recommended: Identify spoolsv.exe related errors
Viruses with the same file name
Is spoolsv.exe a virus? No, it is not. The true spoolsv.exe file is a safe Microsoft Windows system process, called "Spooler SubSystem App".
However, writers of malware programs, such as viruses, worms, and trojans deliberately give their processes the same file name to escape detection. Viruses with the same file name are such as Trojan.Generic.2882490 or Gen:Trojan.Heur.RP.vmW@aW@wKBc (detected by F-Secure), and Mal/FakeAV-BX (detected by Sophos).
To ensure that no rogue spoolsv.exe is running on your PC, click here to run a Free Malware Scan.
How to recognize suspicious variants? If spoolsv.exe is located in a subfolder of C:\Windows, the security rating is 65% dangerous. The file size is 1,082,329 bytes (28% of all occurrences), 1,790,464 bytes and 15 more variants. The software has no file description. The file is not a Windows core file. Spoolsv.exe is located in the Windows folder, but it is not a Windows core file. The software uses ports to connect to a LAN or the Internet. The program has no visible window. Spoolsv.exe is able to record inputs, hide itself and monitor applications.
If spoolsv.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 71% dangerous. The file size is 81,920 bytes (15% of all occurrences), 86,016 bytes and 16 more variants. There is no information about the author of the file. It is not a Windows core file. The program is not visible. The software starts when Windows starts (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, C:\Windows\win.ini, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders). Spoolsv.exe is able to monitor applications and manipulate other programs.
If spoolsv.exe is located in a subfolder of C:\Windows\System32, the security rating is 66% dangerous. The file size is 45,056 bytes (33% of all occurrences), 381,440 bytes and 8 more variants.
If spoolsv.exe is located in the folder C:\Windows, the security rating is 72% dangerous. The file size is 86,016 bytes (26% of all occurrences), 114,688 bytes and 8 more variants.
If spoolsv.exe is located in the folder C:\Windows\System32\drivers, the security rating is 82% dangerous. The file size is 61,440 bytes (50% of all occurrences), 47,616 bytes, 376,832 bytes or 145,920 bytes.
If spoolsv.exe is located in a subfolder of C:\Windows\System32\drivers, the security rating is 76% dangerous. The file size is 1,790,464 bytes (80% of all occurrences) or 659,456 bytes.
If spoolsv.exe is located in a subfolder of "C:\Program Files", the security rating is 58% dangerous. The file size is 1,744,413 bytes (25% of all occurrences), 47,616 bytes, 11,264 bytes or 640,512 bytes.
If spoolsv.exe is located in the Windows Temp folder, the security rating is 56% dangerous. The file size is 20,804 bytes.
External information from Paul Collins:
There are different files with the same name:
- "Print Spooler" definitely not required. Added by the CIADOOR.B TROJAN! Note - "Spoolsv.exe" is located in the Windows or Winnt directory, and not in System32, like the legitimate Spoolsv.exe system file
- "Spoolsv" definitely not required. Added by the CIADOOR.121 VIRUS! Note - "Spoolsv.exe" is located in the Windows or Winnt directory, and not in System32, like the legitimate Spoolsv.exe system file
Important: Some malware disguises itself as spoolsv.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the spoolsv.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.
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
realsched.exe mdm.exe msnlnamespacemgr.dll spoolsv.exe taskman.exe rpbrowserrecordplugin.dll smss.exe nvsvc32.exe tfswshx.dll jusched.exe alg.exe [all]