Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Arab, 834


This parasitic resident virus infects COM files being executed. The virus counts programs being executed on an infected system. When the counter exceeds 256 the virus makes the hard disk unbootable by placing an infinite loop to the MBR code.


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.


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