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Malwarebytes' Anti-Malware Updates


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#1
Guest_claudiubotezatu_*

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Hi,
I have noticed that Malwarebytes' Anti-Malware update is an average of 2Mb or more per day. My internet security KIS (kaspersky) has an update like 200K per day
My question: does Malwarebytes' Anti-Malware really have 2000k signatures updates per day?
Hard to believe....

Claudiu
Toronto,Canada

#2
Night_Raven

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I think it's because MBAM doesn't download increments to the already existing database, like other programs do, but downloads the entire database. So in this case a bit more accurate decription would be "updated database" instead of simply "updates".
Proud Malwarebytes' Anti-Malware user and creator of the bulgarian translation.

#3
AdvancedSetup

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Yes incremental or delta updates are quite common now days but are still often fraught with issues. Just ask Symantec and McAfee here in the US how many times their AV software is broken or disabled by incremental updates. By using the Live Update manually from Symantec they can now detect that the database is corrupt and will download a NEW FULL database at probably about 17MB compressed and about 56MB uncompressed (just an guesstimate)

So currently doing a full database update is not too cumbersome, but I'm sure that soon MB may have to start looking into updating the tool to support delta updates.




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#4
Raid

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View Postclaudiubotezatu, on Sep 5 2008, 06:31 PM, said:

Hi,
I have noticed that Malwarebytes' Anti-Malware update is an average of 2Mb or more per day. My internet security KIS (kaspersky) has an update like 200K per day
My question: does Malwarebytes' Anti-Malware really have 2000k signatures updates per day?
Hard to believe....

Claudiu
Toronto,Canada

No. It checks the file on the server, if it's newer than the one presently stored, it'll download it. The signature updates is the difference in fingerprints before and after the update.

Currently, MBAM doesn't download in segments. It will redownload the entire definitions database.

#5
Guest_claudiubotezatu_*

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[quote name='AdvancedSetup' date='Sep 5 2008, 11:24 PM' post='26876']
Yes incremental or delta updates are quite common now days but are still often fraught with issues. Just ask Symantec and McAfee here in the US how many times their AV software is broken or disabled by incremental updates. By using the Live Update manually from Symantec they can now detect that the database is corrupt and will download a NEW FULL database at probably about 17MB compressed and about 56MB uncompressed (just an guesstimate)

So currently doing a full database update is not too cumbersome, but I'm sure that soon MB may have to start looking into updating the tool to support delta updates.


Hi,

Thank you for your answer!
But... how come some databases are smaller in size than the previous ones???
Let's say , at 9AM a data base of 1000K was downloaded; at 7 PM another one of 975K is downloaded.
Shouldn't they be larger and larger???


Thanks,
Claudiu
Toronto,Canada

#6
AdvancedSetup

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Hi claudiubotezatu

Actual discussions on internal coding practices can not really be discussed here. Suffice to say that different methods and different detections are always on-going.

Thank you for your understanding.





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