GO TO: Summary | Removal


Category: Malware

Type: -

Aliases: Downloader.Dyfuca, TrojanDownloader.Win32.Dyfuca


Dyfuca consists of a downloader and a BHO (browser helper object). It's basically an intrusive adware/spyware that is hiddenly downloaded and installed on a computer.


F-Secure Anti-Virus detects and removes several variants of Dyfuca. However, if any of infected files are inside a CAB archive (usually located in Temporary Internet Files folder), FSAV might not be able to remove infected files from inside that archive. In this case, please delete that CAB archive manually.

You can use F-Secure Anti-Spyware or Ad-Aware to clean a computer from Dyfuca and a lot of other adware.

Knowledge Base

Find the latest advice in our Community Knowledge Base.

About the product

See the manual for your F-Secure product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.