Author Topic: Can Avast files themselves get infected and become useless?  (Read 2429 times)

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artistONE

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Can Avast files themselves get infected and become useless?
« on: September 28, 2006, 10:28:26 PM »
I have problems with my PC (like slowness, weird leakings of bytes out of my PC into the Internet (possible Trojans), etc.)

After checking the properties of "Alwil Software Avast 4" in my Program Files, I realized that while the date of the creation of files is : Friday, July 29, 2005,  (which is correct), the date of the modification of many files is: Saturday, August 05, 2006,  (In August I was visiting some forums...and you know how unsafe are forums, where any discussions are going on).

I use Avast/Zone Alarm/FireFox/Spybot/Ad-Aware/Windows Defender...

My Virus scans with Avast show almost never any infection.
So is with the other spyware programs mentioned  above. Here I have three questions for you:
 
1) How widespread are the so-called "Fire Wall Killers" and "Anti-Virus Software killers" and how does one can detect them?

2) How can Avast files be checked for being safe and not infested themselves (without deleting and downloading the whole program again)?

3) What ratio range between "Sent Bytes" and "Received Bytes" is normal?

Thank you very much for your response.