What is spiderml.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the spiderml.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Spiderml.exe file information

Windows Task Manager with spiderml
Spiderml.exe process in Windows Task Manager

The process known as SpIDer Mail ® for Windows Workstation belongs to software Dr.Web AV-Desk Agent or Dr.Web anti-virus for Windows or Dr.Web Security Space or Dr.Web Security Space Pro or Dr.Web by Doctor Web (

Description: Spiderml.exe is not essential for the Windows OS and causes relatively few problems. Spiderml.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 644,336 bytes (30% of all occurrences), 1,572,592 bytes and 5 more variants. 
It is a Verisign signed file. The file has a digital signature. The spiderml.exe file is not a Windows system file. The program is not visible. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). Spiderml.exe is able to hide itself, manipulate other programs and monitor applications. Therefore the technical security rating is 24% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can uninstall the program Dr.Web anti-virus for Windows or Dr.Web Security Space, or ask the software vendor for support. Click on Dr.Web anti-virus for Windows or Dr.Web Security Space in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify spiderml.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as spiderml.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the spiderml.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.


User Comments

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Summary: Average user rating of spiderml.exe: based on 1 vote with 1 user comment. One user thinks it's probably harmless.

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Best practices for resolving spiderml issues

A clean and tidy computer is the key requirement for avoiding problems with spiderml. 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.

To help you analyze the spiderml.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

spiderml.exe [all]