How Dropbox handles viruses and malware

Dropbox will sync any files added to it. This means that if someone adds files with a virus or malware, that file will be synced to any computers linked to the account. If the virus or malware is in a shared folder, other users' accounts and computers may also be affected.

Malware files are generally not activated unless you click on them to open them. For this reason, just as with files from any other source, we recommend that you follow good security practices, including:

  • Running anti-virus software
  • Exercising due caution when running unknown files from other computers

If your files have been corrupted by malware (such as ransomware), you may be able to restore the files to the state they were in before the malware took effect.

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