Avast anti-virus detection failure!!

  spuds 10:25 16 Apr 2006
Locked

This morning decided to do a computer spring clean. Doing a scan using Ad-Aware SE, Avast kicked in stating that there was a virus present. Followed the Avast instructions and dealt with the warning!.

Avast is running all the time, and is updated automatically, so I assume that everything is running to plan.

Question: How did Avast miss this virus (if there was one), as no previous warning had been given.The computer was connected to the internet at that time, so the virus had not just crept into the system. Should I have doubts about the effective detection rate of Avast!.

  spuds 10:27 16 Apr 2006

Correction: The computer 'was not' connected to the internet at the time.

  spuds 10:46 16 Apr 2006

Thanks guys for the fast response. Can get a little alarming, when you think that a nasty is hidden away, and Avast may have failed.

I have AVG on another computer, and this seems fine.

  Fruit Bat /\0/\ 11:06 16 Apr 2006

Avast may have failed.

I have AVG on another computer, and this seems fine.

Two Antivirus programs on the same computer can cause conflicts, as each detectts the others' virus definitions as a virus problem.

Guessing Adaware looked at AVG's virus definitions and Avast flagged them up as a problem

  spuds 11:23 16 Apr 2006

Fruit Bat-- The two computers have no connection and are run as completely different systems, so no conflictions problems!.

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