The File Extensions Database


.CYW File Extension

  • Category: Executable Files

What is an .CYW file?

.CYW is Rbot.CYW Worm File

Backdoor worm designed to spread through a network via the file sharing system; may allow the perpetrator to access and possibly control the infected computer.

NOTE: Since the Rbot.CYW file contains malicious code, it should not be opened. Instead, the file should be scanned and removed with an antivirus program.

How to solve problems with CYW files

  • Associate the CYW file extension with the correct application. On :
    Windows: Right click on any CYW file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.CYW files". Mac: Right click (or Ctrl-click) the CYW file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .CYW is Rbot.CYW Worm File. Because only the current version supports the latest CYW file format. Search, therefore, e.g. on the N/A manufacturer website after an available .CYW is Rbot.CYW Worm File update.
  • To make sure that your CYW file is not corrupted or virus-infected, get the file again and scan it with antivirus software.