Threat Description

Donald Duck


Category: Malware
Type: Trojan
Platform: W32
Aliases: Donald Duck, Erap


Since September 5th, there has been information in the media about a trojan called Donald Duck, which is said to spread with a variant of the Love Letter worm. F-Secure is not aware of such a variant of Love Letter. Instead, there has been a hacker attack against an ISP in the Philippines, where the hackers were spreading two known trojans called "donald.exe" and "erap.exe" as e-mail attachments. These files are detected by F-Secure Anti-Virus as SubSeven.backdoor.v213 and Trojan.PSW.Barok.c.


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

According to reports, the messages that were circulating among the users of the ISP had the following subjects:

"DHL PROMO FREE!!! (fwd)"  


"erap Estrada".  

Descriptions of the SubSeven and Barok trojans can be found on our virus information pages:

A description of the LoveLetter worm can be found at:

Technical Details:F-Secure Corporation September 6, 2000


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More