Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Joshi


Joshi is reported to have originated in India. It infects the partition boot sector of hard disks, storing the original, as well as the rest of the virus code elsewhere on track 0, head 0. Just like the Brain virus, Joshi redirects attempts to read the virus code while it is active in memory.


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

The virus activates on January 5th of any year and displays the message:

type Happy Birthday Joshi  

Unless the user obeys and types "Happy Birthday Joshi", the system will hang.


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