Author Topic: "Would you use an AV which does not include any on-demand scanning feature? "  (Read 8257 times)

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Offline DavidR

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"Would you use an AV which does not include any on-demand scanning feature? "
Might be nice to have as a second opinion when avast! finds something. Since it's not resident, it doesn't interfere with avast or anything else.

That isn't the question as Logos is asking/talking about, but an AV that 'doesn't have/include on-demand' scanning not an on-demand AV that doesn't have resident scanners.
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Offline bob3160

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Sorry, misunderstood.
In that case, the answer is NO.
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Offline Lisandro

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Probably I've misunderstood the question.
For a second opinion, nowadays, virustotal is the best on demand scanner only.
If it must be local, MBAM.
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Offline Simion

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No. Maybe I'm paranoid, but a right click or system demand scan is important to me.

Offline gautam7

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Well i wont use av without ondemand scaner because i need it everytime i attach a usb i dont want to just relay on the real time scanner when using usb. I also do weekly quick scan and monthly full system scan because with new virus defination update it might find something it missed before.
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Offline Left123

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Let me edit the question,my question,your answer.Why would i?
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Offline logos

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funny how quite a few posters here understood the contrary of the question that was asked :D

on access = resident scanner = file system shield, web shield etc...
on demand = manual/scheduled scans = quick/full/custom scans

hope that helps ;D
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Offline Left123

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Still wondering.Why would i use an av which does not include on-demand scanner.An av which includes on-demand scanner is more beneficial.No?
« Last Edit: April 03, 2011, 01:46:06 PM by Left123 »
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Offline spg SCOTT

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Add me to the misunderstood  :P

Ok, without an on demand scanner - i.e. no quick scan for example...

I would say no, even though I don't really do many on demand scans - more for the forum than anything else - I still find them useful to catch stuff that I missed when testing. (like temp files from the use of the likes of jsunpack, or files I send to VT or avast)


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Offline logos

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Still wondering.Why would i use an av which does not include on-demand scanner.An av which includes on-demand scanner is more benefitial.No?

that's the point... is it really...?
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Offline spg SCOTT

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An idea?

When installing for the first time?
On-access may not necessarily pick up things that are lurking...

“There is a computer disease that anybody who works with computers knows about. It's a very serious disease and it interferes completely with the work. The trouble with computers is that you 'play' with them!”Richard Feynman

Offline Left123

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Still wondering.Why would i use an av which does not include on-demand scanner.An av which includes on-demand scanner is more benefitial.No?

that's the point... is it really...?
So you could explain me as i have "misunderstood",the point.
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Offline logos

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@ Logos
Well most resident on-access AVs as far as I'm aware also have on-demand scanning, so I'm not so sure you would come across that scenario too often other than perhaps cloud AV solutions.

yeah the question says "would..."... keeping in mind that there are no such products yet. I thought about cloud AVs but I think that even Panda Cloud for instance allows manual scans... not sure, I just tried it once or twice a while ago.

I think avast's full range of shields (web, p2p, IM, mail, etc.) to try and keep malware out, backed up by the file system shield (FSS) much depreciates the need for an on-demand scan. For the most part on-demand scans are going to be scanning what are dormant or inert files, the FSS would be scanning active files.


However, new signatures are added constantly and generic/heuristic signatures updated, so it is possible that something that was previously undetected could be picked on the on-demand scan (depending on the scan type). Whilst active files should be picked up by the FSS on-access scanner.


 yeah, that's the thing, even a dormant malware (undetected by previous AVS updates) doesn't matter really, as it'd be picked up by the file shield when the file gets "activated" - as long as a new VPS detects it. If the FS still doesn't, then an on demand scan wouldn't either. Remains the case of unscanned archives, doesn't matter either as they'll be scanned at unpacking time.

I too never bothered with scheduled scans with avast 4.8 Home (using the ashQuick.exe hack); as you mentioned the convenience of the avastUI and inclusion of scheduled scanning even in the free version, I do a scheduled weekly Quick and monthly Full System scan.

Since I'm using avast I don't have to make the decision about an AV that doesn't have on-demand scanning, so that bridge remains uncrossed.

again, I didn't start this thread to refer to any other existing AV solution. Thought it was obvious that I was talking about AV conceptions. One last thing, the resident scanners are so good now that I wouldn't be surprised if on demand scanning modes were ditched progressively by security software companies.
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Offline logos

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Still wondering.Why would i use an av which does not include on-demand scanner.An av which includes on-demand scanner is more benefitial.No?

that's the point... is it really...?
So you could explain me as i have "misunderstood",the point.

nope I meant that "is it really" >>> beneficial
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Offline Left123

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Still wondering.Why would i use an av which does not include on-demand scanner.An av which includes on-demand scanner is more benefitial.No?

that's the point... is it really...?
So you could explain me as i have "misunderstood",the point.
nope I meant that "is it really" >>> beneficial
Well,at least that's my opinion.Every simple feature is something useful and as far as i know on-demand scanner is not useless.
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