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Just A Few Questions


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3 replies to this topic

#1 peanut33

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Posted 06 January 2007 - 08:02 PM

Firstly i hope this is the right place to post this , if not then my apologies.

I recently had a problem spyware on my computer and thanks to the helpful members of this forum i think ive managed to fix it (thanks again to boopme, fozzie and buddy215). but it did bring up a few questions that i thought someone may be able to explain to me as im trying to learn more about this.

Firstly, say you get infected with spyware and manage to find the file thats infected. if you were to delete the file would it spread? i ask as i had a chat with my dad (a real computer wizard) and he mentioned something about a payload?!?! the problem with my dad is he finds it difficult to explain things to people who dont have as much experience as him with computers (which is most people) so i didnt fully understand him...

Secondly, whats the deal with this "dont have more than one anti-virus/spyware on your computer at the same time"? do most people follow this or is it worth having two?

Also, in your opinions what is the best "second opinion scan" out there? i use pandascan but im sure there must be more than that.

lastly, (and this may sound dumb) is it worth upgrading to IE 7 yet? i was talking to a friend about it and he said that he wouldnt quite yet as he wants to wait until its totally secure and tested first. was he talking about the beta version or is it still not quite up to scratch?

Anywho just a few questions that i hope i have posted in the right place. thanks again to youy all. this website is amazing!!! :thumbsup:

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#2 quietman7

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Posted 07 January 2007 - 12:34 AM

You can have more than one anti-virus program installed on your system as long as only one of them is actively running and providing real time protection. The other should only be used as an on demand scanner. However, even when one of them is not running, problems can still arise when the active anti-virus detects the non-active one's definitions or quarantined files.

The concern with using more than one anti-virus program is due to conflicts that can arise when both are running in real-time mode simultaneously. Anti-virus software componets insert themselves into the operating systems core and using more than one can cause instability, crash your computer, slow performance and waste system resources. When actively running in the background while connected to the Internet, they both may try to update their defintion databases are the same time. As the programs compete for resources required to download the necessary files this often can result in sluggish system performance or unresponsive behavior.

Each anti-virus will often interpret the activity of the other as a virus and there is a greater chance of them alerting you to "False Positives". If one finds a virus and then the other also finds the same virus, both programs will be competing over exclusive rights on dealing with that virus. Each anti-virus will attempt to seize the offending file and quarantine it. If one finds and quarantines the file before the other one does, then you encounter the problem of both wanting to scan each other's zipped or archived files and each reporting the other's quarantined contents. This can lead to a repetivite cycle of endless alerts that continually warn you that a virus has been found. Deciding which anti-virus solution to remove is your choice. Be aware that you may lose your subscription to that anti-virus program's virus definitions once you uninstall that software.

Symantec strongly recommends that you run only one antivirus program at a time. See here. Dell Support advises the same for their systems. See here.

In contrast, using more than one anti-spyware program running in real-time mode simultaneously increases your protection coverage without causing the same kind of conflicts or affecting the stability of your system.

No single product is 100% foolproof and can detect and remove all threats at any given time. The security industry is in a constant state of change with new infections coming out on a daily basis. Each vendor has its own definition of what constitutes spyware and scanning your computer using different criteria will yield different results. The fact that each program has its own definition files means that some malware may be picked up by one that could be missed by another. Thus, a layered defense using several products to supplement your anti-virus provides the most complete protection.

In addition to Panda, these are all good Free online virus scanners:
Trend Micro Housecall
Kaspersky Webscan
a-squared Web Malware Scanner
F-Secure Online Scanner.
BitDefender Online Virus and Malware Scan
eTrust Antivirus Web Scanner - Be sure to read the eTrust Antivirus Scanner Help Guide before scanning.
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#3 Lilchef

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Posted 07 January 2007 - 03:51 PM

With respect to IE7 there are pro's and con's.

On the plus side it now has tabbed browsing for example.
On the negative side the 'helpful' new anti-phishing filter they have added has been proven to slow down your Internet connection. This is basically because it scans every single page you look at first (although this can be disabled)

I personally use Firefox 2 as I just don't trust IE at all, but I'm just bitter :flowers:
If you want to use IE7 I'd say go for it, it cant be any worse than IE6 :thumbsup:

#4 jgweed

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Posted 07 January 2007 - 05:34 PM

Quietman's discussion is certainly my view. I would suggest your arsenal include several well-known Anti-Spyware applications resident on your computuer. Spybot, Ad-AwareSE, and AVG AS, are all widely used and all are free.

Now there do seem to be some problems with IE7; some of these may be the result of its being something new and different, but some problems do seem to reside in the application itself and how it interfaces to various other applications.
Both from a security standpoint, as well as functionality, I continue to use and to prefer Firefox over either IE version. The folks at Mozilla are more responsive to security patches for their products, and provide frequent upgrades than MS.

Regards,
John
Whereof one cannot speak, thereof one should be silent.




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