Firewall interrupts Avast several times during full scan

[RF]

Running Avast Free Edition, latest version, latest virus definitions, on Win2000.

I've been using Avast since V.4 but have never before experienced the following behavior, which has occurred during two full scans over the last week or two:

At several points during the scan, the firewall (Kerio Personal Firewall) stops the scan and displays a box with the following message:

<avast! service is trying to execute 'sf'. Permit the event if it is expected and intended. Deny this event if it is undesirable (can be caused by a virus, trojan horse or an application breaching this computer's security).>

I let the scan proceed, but elected not to "make a rule", just in case this event was due to an infection. So as it stands now, the message will continue to appear whenever I do a scan.

Is there a problem here, or can I just go ahead and permit the event on a recurring basis?



 

[RF]

I would add here that I just did a Google search and this same problem appears on this forum involving three or four different firewalls. I didn't see any real resolution however.

The problem must have occurred due to a version update or virus definition update because I have been using V5 since it was first released.

[BODA]

C: Drive,
Program data,
Alwil folder,
Log,
Find error in list and delete.

[Asyn]

avast! service is trying to execute 'sf'.
Is there a problem here, or can I just go ahead and permit the event on a recurring basis?

I guess you're talking about 'sf.bin'...!!??
You can allow it, don't worry...
asyn

[totalt]

Sorry i cant find information about ultrafx. exe i thnk is a troyan how i cant take out of my computer??

[Asyn]

Sorry i cant find information about ultrafx. exe i thnk is a troyan how i cant take out of my computer??

Please start a new thread for your question..!
'viruses and worms' would be a proper place. http://forum.avast.com/index.php?board=4.0
Thanks..!
asyn