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How to remove the sd virus

Most antivirus programs identify sd.exe as malware—such as Avast identifies it as Win32:Spyware-gen [Spy], and McAfee identifies it as Tool-SRunner.

The sd.exe file is a software component of ActiveFlight.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the sd.exe malware

Sd.exe file information

The process belongs to software ActiveFlight by unknown.

Description: Sd.exe is not essential for the Windows OS and causes relatively few problems. Sd.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 45,056 bytes (66% of all occurrences) or 61,440 bytes. http://www.file.net/process/sd.exe.html 
The application has no file description. The program is not visible. The sd.exe file is located in the Windows folder, but it is not a Windows core file. The file is not a Windows system file. Sd.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 72% dangerous, however you should also read the user reviews.

Recommended: Identify sd.exe related errors

If sd.exe is located in a subfolder of C:\Windows, the security rating is 72% dangerous. The file size is 239,358 bytes. Sd.exe is a file with no information about its developer. The program is not visible. Sd.exe is located in the Windows folder, but it is not a Windows core file. The file is not a Windows core file. Sd.exe is able to monitor applications and manipulate other programs.

Important: You should check the sd.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.

Score

User Comments

Located in c:/Program Files/Acer/Acer Updater on my Acer Aspire Netbook. It asked for internet access after I clicked Ok for Acer Updater to access the Internet.
  DannyBoy  
Located in c:/Program Files/Acer/Acer Updater on my Acer Aspire Laptop.
  Schottin  
Das ist von ACER update....
  C3RZZ  
Located in C:\Program Files\eMachines\eMachines Updater
  Mikko L  

Summary: Average user rating of sd.exe: based on 4 votes with 4 user comments. One user thinks sd.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous.


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Best practices for resolving sd issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active sd process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the sd.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.



Other processes

sd.exe [all]