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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
Hi!
What's the best free AntiVirus program in you opinion?
Do you think a free AV is enough for the normal user or a paid AV is needed?

Just doing some research...
Thanks!
Post 02 Mar 2006, 22:04
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bogdanontanu



Joined: 07 Jan 2004
Posts: 403
Location: Sol. Earth. Europe. Romania. Bucuresti
bogdanontanu
AVIRA Antivir Wink


Last edited by bogdanontanu on 03 Mar 2006, 17:34; edited 1 time in total
Post 03 Mar 2006, 07:21
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Madis731



Joined: 25 Sep 2003
Posts: 2140
Location: Estonia
Madis731
Try Grisofts AVG...it isn't the kind of CPU-hogger NAV is Razz
Post 03 Mar 2006, 08:47
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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
Yeah! I have NAV, it eats my memory and my PC becomes so slow...
It'll expire soon, I think I'll uninstall it and install some free AV.

Do you know if are there any problems when uninstalling Norton? I've heard some people had these problems...
Maybe, NAV is the most evil, hard to remove virus Laughing
Post 04 Mar 2006, 00:14
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flaith



Joined: 07 Feb 2005
Posts: 122
Location: $300:20 58 FC 60 N 300G => Vietnam
flaith

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Post 04 Mar 2006, 18:34
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Vasilev Vjacheslav



Joined: 11 Aug 2004
Posts: 392
Vasilev Vjacheslav
you can use DrWeb-CureIt (it's a free version of dr.web), can be found on: www.drweb.com
Post 05 Mar 2006, 10:52
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okasvi



Joined: 18 Aug 2005
Posts: 382
Location: Finland
okasvi
OllyDbg, hexplorer + a bit of common sense Rolling Eyes

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Post 05 Mar 2006, 17:33
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RedGhost



Joined: 18 May 2005
Posts: 443
Location: BC, Canada
RedGhost
okasvi wrote:
OllyDbg, hexplorer + a bit of common sense Rolling Eyes


prefer hex workshop :p

pmed about AV

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Post 05 Mar 2006, 23:16
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Madis731



Joined: 25 Sep 2003
Posts: 2140
Location: Estonia
Madis731
I support okasvi - my laptop has been pop-up / ad-ware /virus free for about 3 years now Smile I haven't used any removers on it - just a scan per year in an online scan to be sure that I haven't missed anything.

And I have a sick tradition that I must look inside every virus, that comes with e-mails :$ . You won't believe how many viruses are written in Visual Basic Very Happy. Its copyright is written in the binary Wink
Post 06 Mar 2006, 09:36
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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
I agree. Hex Editor and debugger r0x for virii detection.

I'm some kind of specialist in viruses. I've read lots of VX zines and also written some to test and learn.

But, this PC is not used only by myself. I'm the main user, but I have to share it with people that doesn't have knowledge to see if a file that comes in a e-mail message is a worm or not.

I also think the best AV is ASM knowledge+Hex editor+Disassembler/debugger.
But most people totally suck at computers. That's why viruses exist. They try to trick the normal user.
If most people cared about their PC security and tried to learn something about their OS and stuff, viruses would not exist anymore. But most people are just lazy to learn something other then power on the computer and open MSN.
Post 06 Mar 2006, 14:34
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okasvi



Joined: 18 Aug 2005
Posts: 382
Location: Finland
okasvi
OzzY wrote:
I also think the best AV is ASM knowledge+Hex editor+Disassembler/debugger.


Agreed, every once in a while i run some rootkit detectors just to make sure my comp is clean... not that i would run anything dangerous myself without knowing what im doing but i dont trust winXP for not having unexploited holes in it Neutral

FW's and AV's waste resources and slows down already slow comp like sempron 2800+ too much Mad


edit: infact just ASM knowledge isnt enough i guess, you should know about generally about different kinds of malware, what they usually do and how...

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Post 06 Mar 2006, 15:15
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Reverend



Joined: 24 Aug 2004
Posts: 408
Location: Poland
Reverend
One I couldn't connect to any webpage. I noticed some suspicious program in the task list. So I dumped it, rebuilt and suddendly my AV started to recognise the file and forbid me access to it. So before unpacking the virus could have destroyed everything (or do any other payload Smile), but when I unpacked it manually AV woke up Smile. I used Panda. But I never use it anyomore since then Smile
Post 06 Mar 2006, 21:30
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
OzzY wrote:
But most people totally suck at computers. That's why viruses exist. They try to trick the normal user.
If most people cared about their PC security and tried to learn something about their OS and stuff, viruses would not exist anymore. But most people are just lazy to learn something other then power on the computer and open MSN.


yup, they say DOS was bad because of viruses, but there was a 98% way to prevent viruses... unlike on new OSes. Just rename all "MZ"s to "ZM"s (nobody was testing this, too big heuristic hit) and enlarge all COMs to 64001 or so bytes.
Post 06 Mar 2006, 21:41
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Tomasz Grysztar



Joined: 16 Jun 2003
Posts: 7752
Location: Kraków, Poland
Tomasz Grysztar
okasvi wrote:
OllyDbg, hexplorer + a bit of common sense Rolling Eyes

OllyDbg, Hiew (or similar) + knowledge/experience + TIME - this is a good combination to get rid of any "infection". However "a bit of common sense" may be enough to actually avoid having anything to get rid of. I've been using few free AVs just to finally conclude that they never really find anything on my computer. And when some of them even start to suspect my own programs, well, that's enough. Wink
But I've also seen some people being able to get their computer infected with many viruses/trojans in no more than just few minutes - I never fully comprehended how do they achieve it. Laughing
So the choice of AV approach may be very dependent on your scheme of using the computer - thus I don't really recommend to rely only on yourself instead of getting AV program. Sometimes it may work, as it worked for me so far - but, well, sometimes it may fail...
Post 07 Mar 2006, 19:01
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Borsuc



Joined: 29 Dec 2005
Posts: 2466
Location: Bucharest, Romania
Borsuc
Tomasz Grysztar wrote:
But I've also seen some people being able to get their computer infected with many viruses/trojans in no more than just few minutes - I never fully comprehended how do they achieve it. Laughing

Some sites are really tricky, mostly those with stupid photos and other stuff. I remember a friend telling me a while ago that a site asked for his Yahoo ID and password to look at some photos, and (how stupid he was) did it immediately just to look at the stupid photos. Needless to say that his ID was stolen, and he had some 'reserved' stuff in his emails that he didn't put on his harddisk (dunno why, though). All of them = lost, just for his stupid actions.

Okay, there is no denying in my exaggerated scan for viruses.. never had any virus, though, but somehow I still scan weekly for them. I think I'll drop this "behaviour" soon Laughing
Post 07 Mar 2006, 19:26
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rugxulo



Joined: 09 Aug 2005
Posts: 2341
Location: Usono (aka, USA)
rugxulo
For DOS, I use F-Prot (plus Rose's RHBVS occasionally). In Win XP, I use AVG Free. It's true, you can't always detect every virus, and sometimes there are false alarms. It is insulting, though, that people keep wasting time spreading viruses. Why can't they study and learn something more useful (data compression, multi-OS portability, optimizing for speed/size, etc)?
Post 07 Mar 2006, 21:08
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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
I'm now trying Avira AntiVir 7.0 Personal, and it looks pretty cool!!

It's easy to use and the interface is clean (I hate bloated AV's, because the only thing it needs to do is detect viruses, and not be a beatiful window to look at Very Happy).
It has detect a file (that I downloaded to do some analysis) that I suspected to be a worm, and it really was! Norton didn't even gave a warning!

I'm doing now a full scan on the system and if it works OK I'm going to uninstall Norton and keep this new AV.

I think it might be best for my needs (as ASM coder ^^), even if it doesn't detect everything. But it will be enough use AntiVir+SpyBot Search and Destroy+CCleaner to keep my PC clean and running fast!
Norton is too slow! I hate it!

Please post your opinions! Can Avira AntiVir substitute Norton for a high-knowledge low-level person that shares the PC with some people of the family that know nothing about computers?

Thanks for the answers
Post 16 Aug 2006, 17:29
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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
Uninstalled Nortan, and now my computer is running a lot faster! Very Happy
AntiVir seems pretty good, but it seems it will expire in 2 months! o.o
I din't see that! It seems I'll have to begin searching another AV...
Post 16 Aug 2006, 18:27
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peter



Joined: 09 May 2006
Posts: 63
peter
I've just downloaded ClamWin (http://www.clamwin.com/); here are my first impressions:

* Besides the installer (5,5 Mb), you will need virus database (another 5,5 Mb). The database will be downloaded automatically when you run the program for the first time. It's bad that they don't show the progress when downloading the database and don't tell you how many megabytes it is and how many megabytes left to download. Restarting download after disconnection is not supported (too bad for my poor dial-up connection). But you can also download the database from http://www.clamav.net/ with your browser; I think it is more handy way for people who use dial-up.

* By default, it scans every file on your drive, including MP3, PNG, and AVI files. Certainly, it takes a lot of time and doesn't make any sense (there is no executable code in MP3s). Fortunately, you can turn this off in Tools -> Preferences -> Filters. Still, scanning my HDD with ClamWin takes more time than with other antiviruses.

* ClamWin can't cure the viruses, it only reports where they were found. For example, if you have an important MS Word document infected by some macrovirus, ClamWin will not delete that virus from the document. You have to do it yourself (I'm sure you know how to remove the macros from Word document, but if you install the program for unexperienced users, they may have to ask your help).

* If an archive contains 2 or more viruses, it reports only the first.

* In my tests, it didn't found several modifications of LoveSan worm and BackOrifice program.

I also tried Avira AntiVir Personal (http://www.free-av.com/) a year ago, when they called themself H+BEDV, not Avira. It's free, fast and the interface is not too bloated, so I liked it. AntiVir detects not only viruses, but also trojans and backdoor clients such as Back Orifice. I found only two not-so-serious disadvantages:

* Free version doesn't allow you to select a folder to scan. If you need to check a single file for viruses, you have to scan the the whole hard disk, and it's very slow. But it's easy to circumvent: I usually copy the file to a small flash drive and scan that drive Wink.

* Updates are too large (you have to download 1-2 Mb just for a couple of added virus signatures). I wonder why they don't distribute small patches to the existing database.

AntiVir also contains a list of recognized viruses and descriptions for some of them in the help file; if you read VX zines, it may be interesting for you, too.

Quote:
AntiVir seems pretty good, but it seems it will expire in 2 months!


What did you mean? Does it show a nag screen or something? When I last used AntiVir Personal, it was completely free. May be, you downloaded Pro version?
Post 21 Aug 2006, 01:32
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OzzY



Joined: 19 Sep 2003
Posts: 1029
Location: Everywhere
OzzY
Well, I'm using AVIRA AntiVir 7.0 Personal Edition Classic, and I'm really liking it.
I uninstalled Norton, and done some optimizations here removing some process from auto-start, cleaned registry, and so on...
After these optimizations and now running AntiVir, my PC is a lot faster!!
AntiVir is really light, fast, and has a clean interface!



Quote:

* Free version doesn't allow you to select a folder to scan. If you need to check a single file for viruses, you have to scan the the whole hard disk, and it's very slow. But it's easy to circumvent: I usually copy the file to a small flash drive and scan that drive

Well, the version I'm using here allow scan a folder, or even a single file. Maybe they put it in the new version, that is the one I'm using.




Quote:

Updates are too large (you have to download 1-2 Mb just for a couple of added virus signatures). I wonder why they don't distribute small patches to the existing database.

Yes, this problem still exists. But I think it's a fair price to pay for a free AV. Wink




Quote:

AntiVir seems pretty good, but it seems it will expire in 2 months!

I checked it with some users, and they say the lisence will last 2 months, but it will download a new one and the product will not expire. So it's really free!



From my tests, using AVIRA AntiVir (anti-virus) + Spybot Search & Destroy (anti-spyware) + CCleaner (Crap cleaner to remove cookies, trash files, clean registry, uninstall programs, and removing all crap that just waste disk space), all freeware programs, is enough to keep a clean and fast PC!
Post 21 Aug 2006, 15:54
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