Threat description


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


Sleepwalker stays resident in memory and infects all executed or opened COM files. It marks infected files by setting their time stamp to 10:47 (time field is not visible with normal DOS DIR command).

Sleepwalker contains the following text:

  Sleepwalker. (C) OPTUS 1993.   


Automatic action

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


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

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.

Description Details: Mikko Hypponen, F-Secure


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