Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: CSL, Microelephant


This virus contains the text

26.07.91.Pre-released Microelephant by CSL  

It does nothing but replicate.


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


This variant is 517 bytes long.


Yet another non-interesting variant - 457 bytes long.

All virus in this family are supposed to be written by a single person, operating from Warsaw.


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