sdupdate.exe is a program which is most likely legit. So, if sdupdate.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to use a good antivirus with a good detection rate, in order to yourself yourself against potential security problems.
Usually, this application is located in C:\Program Files (x86)\Spybot - Search & Destroy 2\SDUpdate.exe.
The MD5 checksum for this file is 0fee20509cbb3221571734ad2602eab2.
This application does NOT run as a Windows service. This is normally a good sign.
This executable runs in 32-bit mode. It can not benefit of the entire power of modern PC chips. This ordinarily happens because the authors did not bother to upgrade it to use the x64 instruction set.
The description extracted from the exe is Update.
File version extracted from the file 188.8.131.52.
Producer Safer-Networking Ltd..
Legal copyright © 2000-2017 Safer-Networking Ltd. All rights reserved..
Some unusual functions of the Operating System appear to be used, such as functions for intercepting the keyboard. We recommend you to be very careful regarding this program.
sdupdate.exe has a digital signature. Nowadays most virus-free software applications are digitally signed.
The digital signature extracted from sdupdate.exe is valid. This is most likely a clean, ok program.
Digital certificate name: Safer-Networking Ltd.
Certificate's issuer name: DigiCert EV Code Signing CA (SHA2)
It has an uninstall string in registry, which is a good sign. si are uninstall.