Free Software Comparison

July 16, 2007

Free antivirus comparison

Filed under: antivirus — theymos @ 4:05 am
Introduction

This is a comparison of free antivirus applications. These are all the programs I could dig up on wikipedia, google, and download.com. These tests were all performed within a VirtualBox virtual machine, which has 256 MB of RAM. Unlike my other comparisons, I moved the final score up so that the baseline was 0. These tests were performed on each antivirus application:

time

Time the malware scan takes, in minutes. These will be longer than in normal conditions because the virtual machine is slow, and it has some disk writing quirks. Fastest two get one point, slowest one gets -1 point.

number of items detected

The number of malware files detected. The malware folder is about 12GB large. About 4/10ths of this file is old malware the scanner really should detect. About 1/5th was (painstakingly) collected from the wild. It also includes all the malware in various archive formats, which make up the other half of the file. The program with the least detected gets -2 points, the next best gets -1 points, and so on; the best program gets 4 points.

RAM in use

RAM while the AV program is scanning, in KB. Best gets 1pt, worst -1pt

RAM at rest

RAM while the AV program is protecting the computer, but not scanning. This will not be counted if the program doesn’t include a virus guard. Best gets 1pt, worst -1pt

CPU in use

Percent of used CPU while the AV program is scanning. This will seem larger than normal because the scans are in a virtual machine with very limited CPU. Best gets 1pt, worst -1pt.

number of false positive detected

The number of safe files detected as malware. My false positive folder is about 1GB large. It contains a number of popular programs, and some little-known security programs that I chose because they perform functions similar to malware. If it detects one of these safe files, it gets -1 point.

virus guard

If the program has some sort of virus guard(it checks files as they are written). -2 if it doesn’t, no change if it does.

Clean uninstall

If there are no remnants of the program after I uninstall it and restart. This is important because remnants of an antivirus application can cause problems in the future. -1 point if there are any remnants, no change otherwise

Data
tests
AV programs test time number of malware items detected number of false positives
AVG 87 11,873 (0 pt) 0
PC
tools
86 11,405
(-2 pt)
1
bitdefender 45 20,166 (3 pt) 0
COMODO 34 13,410 (1 pt) 0
clamwin 34 13,629 (2 pt) 0
avast 13 11,828 (-1 pt) 0
antivir 172 37,491
(4 pt)
1
tests
AV programs RAM while scanning RAM while idle CPU while scanning
AVG 50,000 1,348 90
PC
tools
25,000 500 85
bitdefender 36,000 N/A 80
COMODO 27,000 20,000 60
clamwin 35,000 N/A 70
avast 21,000 8,000 80
antivir 50,000 5,340 80
info
AV programs clean uninstall virus guard notes points
AVG Yes Claims to, but
in my tests it didn’t
I didn’t like the interface. Not enough options. Very
slow scan, average detection. It automatically deletes files without
prompting the user. I’ll give it the point for virus guard, because it
claims to have one, but I couldn’t get it to trigger.
0
PC
tools
Yes Yes Stylish and easy-to-use interface. Very slow scan, bad
detection.
0
bitdefender No No Professional looking, but it took me a few seconds to figure out how to
scan. Very nice speed and detection. Automatically deletes infected
files without asking. A bit bulky. It comes with a Pro version trial which
has a virus guard, but that is disabled after 15 days.
2
COMODO No Yes Simple, not many options. Basic HIPS protection I don’t
like much. Very fast, with good detection.
3
clamwin Yes No Plain, the GUI isn’t very user friendly. Many options.
Speedy with good detection. Some programs like winpooch
provide a virus guard using clamwin.
3
avast No Yes, very good Nice interface, mostly easy to use; some options are
hidden deeply. Bulky. Avast has protection
features unique to antivirus applications, and it acts almost like a
firewall. Fastest, detection isn’t great.
2
antivir Yes Yes I like the clean interface. Not enough options, though.
Slowest scans, but the best detection.
3

Summary

These results show COMODO, Clamwin, and Antivir are the best free antivirus applications. Since these ties aren’t very satisfying, here is my opinion on the programs, best to worst:

  1. Antivir, for its amazing detection
  2. Clamwin, because its an open-source project. Use a program like winpooch with this.
  3. COMODO, an all-around good antivirus
  4. Avast, which has a fantastic virus guard.
  5. Bitdefender, because of its great detection. Unfortunately, you have to pay for a virus guard.
  6. AVG, which has better detection than PC tools
  7. PC tools, which isn’t very good at all

You should be very secure with Avast, COMODO, Clamwin(with winpooch), or Antivir. I wouldn’t use the others.

I hope you’ve enjoyed this comparison, tell your friends! If you find any errors, please comment. You can link here using antivirus.theymos.com.

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60 Comments

  1. AOL active virus shield wouldn’t work in my virtual machine, so I wasn’t able to test that. Also, I did test CPU while idle, but they were all 0, so I didn’t include it. I’ll finish my next comparison, antispyware, in a few weeks. Please continue to vote in the poll, I will do whatever’s after antivirus and antispyware for the next comparison after antispyware.

    Comment by theymos — July 16, 2007 @ 4:05 am

  2. I currently use BitDefender, but I’ve paid for my version. It looked like the best, but with your charts – that’s getting more difficult to believe.

    Also, what about the fact that BitDefender has more than one scanning method – which one did you use?

    Dazzer

    (Men are changed by events; events are not changed by men)

    Comment by Darren — July 24, 2007 @ 6:17 pm

  3. I ran with default settings on all of them. Other tests use optimal settings, but very few users know what the optimal settings are, or how to change them. I don’t have experience with it, but based on comparisons of non-free antivirus software and from what I’ve heard, NOD32 is the best antivirus that exists.

    I haven’t had a virus run on my computer since 2001, and I have never lost any data from malware; a paid antivirus solution is a waste for me. Paid antivirus software is useful only for inexperienced users, companies, and parents, who need the autonomy and extra protection paid antivirus software provides.

    Comment by theymos — July 24, 2007 @ 6:52 pm

  4. Nice article. Seems clean, honest, well-tested. Will just add a couple of personal notes on AVG, since I just recently tried it:

    - AVG has gotten a lot of good reviews elsewhere but I personally found it annoying.
    A)It didn’t install cleanly on Vista, despite claiming to be compatible.
    B)Mind-numbingly stupid bugs in it that I didn’t experience (because I didn’t bother keeping it) but that were detailed by others, like failed installs due to a problem with the install directory syntax on Spanish systems. Bugs so dumb (and seemingly easy to fix) that they make you wonder about the rest of the product, and
    C)They’ve recently “upgraded” their site and gone the RealNetworks route in offering their “free” product…they batter you mercilessly with hard-sell garbage for their paid product, forcing you to wade through it and click through several alarmist-marketing screens in order to download it.

    Basically I gave up on it after the problematic install. Your findings with it, despite the positive reviews elsewhere, do not surprise me.

    Anyway again, nice article.

    Comment by Bill — August 7, 2007 @ 1:58 pm

  5. Thanks for your opinion, Bill! I was never a big fan of AVG, either. I think it’s one of the most popular antivirus applications only because it was one of the first to be completely free.

    Comment by theymos — August 7, 2007 @ 11:39 pm

  6. Very helpful article. Quite reassuring about avira, which I’ve started using recently. Simple and clear. Very well done theymos. Thanks.

    Comment by Reh — December 18, 2007 @ 7:49 pm

  7. I’m glad you enjoyed it!

    Comment by theymos — December 19, 2007 @ 5:03 am

  8. Very nice comparison.

    You didn’t mention compatibility of 2003 server for the minority who are using it :) Currently I’m using clamwin alone (clamwin runs well under windows 2003 but not winpooch) as well as Pc Tools Antivirus, they are the only ones for windows 2003 that I’ve found.

    Have a wonderful day,
    Yoav

    Comment by mahadeva — January 7, 2008 @ 12:27 pm

  9. Its the worst ever review I have ever seen in my life. I had a virus which neither AVG/Avast nor Bitdefender was able to find. Then I installed Antivir from Avira & it was able to detect. Then i tried PC tools it was able to find this virus along with some other viruses. Thus PC tools antivirus is the best in my view.

    Comment by vipin — February 2, 2008 @ 10:00 am

  10. nice work
    this is very good information for me
    i use avg for this tie and i don’t understand about hoe this is work

    i love your recommendation about antivir

    thank’s
    jamber

    Comment by Free Antivirus Download — March 11, 2008 @ 9:07 pm

  11. I also did some endless research on free antivirus software on the web. Found another comparison with Antivir, Avast and AVG. The best out of these three was Antivir, followed by Avast and finally AVG. Your comparison only reassures me that Antivir is one of the best free antivirus products out there. I will be using Antivir. Thanks!

    Comment by ROBLES — March 31, 2008 @ 12:34 am

  12. Glad you liked it. Be aware that Antivir is prone to false-positives, so Avast might be better for general use.

    Comment by theymos — March 31, 2008 @ 1:09 am

  13. [...] Free Antivirus Comparision [...]

    Pingback by Best Free Windows System Utilities | Windows Linux Mac — April 2, 2008 @ 7:47 am

  14. nice…
    i’ve used AntiVir recently, i trust my PC to it. it work well.
    i don’t like AVG, it can’t cure infected files by some viruses, it’ll delete them.
    but, i need to pair antivir with local antivirus from my country, because there are widely spreaded local viruses that well known antivirus always late or even cannot to detect them.

    regards

    Comment by strangevarius — April 11, 2008 @ 1:55 am

  15. I use Avira free edition.

    If you ask me to rate them, I would say Avira > Kaspersky > Nod32.

    I have done a post on free anti-virus software @ http://www.ncaditya.com/free-anti-virus-software/

    Hope you find it informative.

    Comment by ncaditya.com — April 27, 2008 @ 2:41 am

  16. thank god , i read this article . i was 2 seconds from downloading AVG. so right now im gonna go for antivir instead.

    Comment by suki — May 16, 2008 @ 8:01 am

  17. I also use nod32 2.7 version because its fast. I also trust to local indonesian av. Try ansav.com

    Comment by Nodler — June 25, 2008 @ 8:31 am

  18. Thank you for your interest in completing the comparison. I have Avast after dumping AVG and I will stick with Avast.

    Comment by Brian — July 28, 2008 @ 10:58 pm

  19. Thank you very much. This was a great help.

    Comment by antivirus — September 4, 2008 @ 12:56 pm

  20. I’ve used Antivir, from Avira, for about 5.5 years. It’s not fast, but it is very, very good at what it does, guard & clean. I’ve tried running Nod32 for the last six months on my secondary machine, and it just is too unreliable for a ‘free’ version to compare. Avast is a nice program, that does the job… I’m going to give COMODO a try based upon your recommendation. In all, a very well structured, helpful post, well done.

    Comment by Wolfwynd — September 23, 2008 @ 6:53 am

  21. Thanks a lot for sharing your experiences and opinions about the advantages and disadvantages about the free antivirus that mentioned above. i’m currently using AVG free edition, i’ve found that the detection of virus not that strong for me.. So i’ll try to change to antivir as you guys give a lot of good comments on it.. hehe

    Comment by Seng — October 11, 2008 @ 2:25 am

  22. Very nice review, will be trying out Avira now because of it. Time to say goodbye to AVG.

    Comment by J — October 24, 2008 @ 2:48 pm

  23. Too many false positives on Avira Antivir for me with no option in the software to allow trusted files. looking for something else, what do people recommend

    Comment by rickyroma — November 2, 2008 @ 3:17 am

  24. I recommend Avast for general use. It’s the least amount of hassle, in my opinion. It does have the option to exclude files and directories, but I’ve never needed it.

    I won’t bother giving a time frame (I’d never follow it), but I’m going to re-do this comparison with a larger sample size. Maybe this year.

    Comment by theymos — November 2, 2008 @ 10:32 pm

  25. [...] just ran across this site, which grades various free A/V. I haven’t heard anyone mention Comodo before, and since it’s free [...]

    Pingback by AVG may screw up XP - Tweak3D.Net — November 18, 2008 @ 7:53 pm

  26. I just found My Antvir, can not update anymore, since 26 Nov 2008. This first bad news since I use this for 3 years. I do not know what kind of virus that block it’ virus definition server.

    Any idea to resolve it? Some help please…

    Comment by Avis — December 25, 2008 @ 2:25 pm

  27. The review was very outdated, many Antiviurs not not just come with Plain antivirus but add on like Firewall/Site scaning/bla bla bla which resource hog!

    Eveyone is talking bad about PC Tools Antivirus, ya it may be worst in those old day (2007)… but have you try out the latest version (2008/2009)?

    My old PC (when i mean old it mean Celeron 300Mhz 32MBRAM!! not those web saying PIII as old system!!) The only AV choice was PC Tools that dint not slow down my PC at all. As you can see in the benchmark look at the RAM on idle & scannin, it beated all!!!!

    When it come to plaine AntiVirus (File Scaning/Real-Time File Scaning) nothing beat PC Tool. There is no “Best” Antivirus, when surfing net & downloading “common sense” is more important, but that’s the most people nowadays lack off, and yet they balme it on Antivirus Program.

    PC tools still my 1st choice, btw, I tested Avast new version recently & found that it is not that resource hunger anymore. Maybe I’ll try Comando too that come with firewall :)

    Comment by Vin — January 3, 2009 @ 4:29 am

  28. Nice review. Thanks for your work. I’m using Clamwin, very happy with it. I’ll try winpooch as you’ve suggested.

    Comment by Ahmed Samir — January 23, 2009 @ 10:26 pm

  29. huaaaa i use AVG
    but thanks for the info

    Comment by attayaya — February 5, 2009 @ 12:22 pm

  30. I have been using Avira antivir for 1 year… I would like to complememt ot this review that, its all right… I have used AVG, it is not well in handling the infected files, Avast is vry good again… i dont like the UI though…

    I put Avira, Avast and then we can try AVG also in the order…
    The first two are highly recommended for the use…

    Comment by sofdow — February 6, 2009 @ 6:20 pm

  31. that is a fairly done research..one of the best comparisons ever done…. i like your post and would suggest that if u can carry out the same for adware, malware, spyware and firewalls.. i kw that quite a lot but if u do that it would be complete solution for internet security and there would be no worries!!! feel feel to reply on my mail…and if u do plz post them as 1,2,3,4 and 5 or much better post them as 1 complete file.. if u do so do send me a copy of it…thanks in advance and best of luck for your future posts and projects!!!!

    Comment by anand — February 28, 2009 @ 1:56 pm

  32. Thanks for a well balanced and informative review. I recently installed AVG after my free 3yr norton subscription expired. I went for AVG simply because its a big fish in the PC pond. I found the new version very fat and a drain on my PC. It made my laptop run like an athritic old cow. (Ever seen an arthitic old cow run?) any way, after reading your reviews I installed Antvir, and have already noticed that it’s 12mb smaller than fatso AVG. Looks like AVG has been overtaken by the competion. My laptop is back to being a sleek gazzelle all thanks to you

    Comment by Simmy0ne — March 10, 2009 @ 10:38 pm

  33. I use Rising av for me its the best free program also use Rising pc doctor antispyware both excellent programs

    Comment by stan — April 8, 2009 @ 1:53 pm

  34. Pls clarify what is Antvir as the others have said Avira and Avast,
    so which one did you end up installing after removing AVG – thanks

    Comment by aholt28 — April 10, 2009 @ 1:23 pm

  35. Antivir is Avira Antivir:
    http://www.free-av.com/

    It scored best in this comparison.

    Comment by theymos — April 10, 2009 @ 3:14 pm

  36. hey is it possibul to run like more than one of these at once for AWESOME protection like um comodo, avira and avast? tell me if there would be conflisctions with that cause i had macafee and norton and they killed each other lol

    Comment by elmo — April 15, 2009 @ 7:23 pm

  37. You can have more than one Antivirus, but you can only have one “real-time protection scanner” running. If you have two or more real-time scanners running and they both detect a virus, they will fight each other while trying to deal with it and crash your computer. It will also make your computer very slow since you now have two programs monitoring all of your reads/writes.

    Comment by theymos — April 16, 2009 @ 10:14 am

  38. Have used paid versions of AVG and Kapersky. Also tried Comodo but it is very difficult to completely remove from the machine. At present using free AVG but am about to try Clamwin after reading your review.

    Comment by grieg — May 6, 2009 @ 9:18 am

  39. First, thank you for the review.

    I am a long time admirer and user of Avira Antivir. Been using it for more than a year, maybe two. But I have some complaint:
    1. false detection. Sometime it detect important app as virus, and if we are not careful, we can delete it and cause problem.
    2. auto-update not working anymore. I had to download ivdf and do manual update everytime.

    Because of these 2 concerns, I am very hesitant to recommend it to my non-techie neighbor.

    p/s: do you plan to do an update to these test? using the latest version?

    Comment by aznil — May 21, 2009 @ 4:26 pm

  40. I do plan on updating this eventually.

    Comment by theymos — May 21, 2009 @ 6:02 pm

  41. HI i am using avast I found that it has good detection rate but at time on update on scanning if you stop it it corrupts window nothing is said about it

    Comment by satish — June 30, 2009 @ 7:45 am

  42. I still use XP and have used AVG for years, but since they no longer support the XP version, I switched to Avast last week. However, it killed my “Send to > mail recipient” function, which I use a lot as an easy image compression method. I spent two days trying to restore the function and ended up having to do a system restore, as there was no way of getting it back. I think I’ll try Avira.

    Comment by BennyM — July 1, 2009 @ 5:44 am

  43. I have not find your latest review for 2009. As mentioned, many av free have improved & upgraded. So I would say your 2007 review perhaps has been outdated.

    I’m thinking to download free av for my laptop. Can you advice which one is better

    1) COMODO CIS + Antivirus / Antispyware ( My personal opinion ; detect rate is very low. After I un installed the CIF & with install Avira, it detected few Trojan & Malware where CIS didn’t, why ? I like CIS because it all under ONE brand)

    2) Spyware terminator + ClamAV ( I tried ST but not ClaimAv )

    I have problem with Avira auto update. I don’t understand it got blocked unless I go with manual.

    Comment by Alex YTF — August 4, 2009 @ 6:45 am

    • ClamAV doesn’t have a real-time scanner, so I wouldn’t use it. Its detection is also poor. Spyware Terminator has good protection features but poor detection.

      I haven’t tested COMODO since this comparison, so I can’t give you any more information about it.

      I would go with ST+Avira or ST+Avast.

      Comment by theymos — August 4, 2009 @ 8:51 am

      • looking forward to hear you on COMODO CIS review. Please keep me update.

        ClamAv come as pair with ST. I though Clam AV same as Clam win ?? For your info, I didn’t install ST web guard. Will it be a problem ?
        Avira is good but I think Avira don’t have mail scanner & it can’t go auto update on my PC. I think only Avast avalaible with mail scanner but personaly ; Just don’t like Avast.

        Comment by Alex YTF — August 4, 2009 @ 9:36 am

      • I completely forgot about the ClamAV integration into ST. I still wouldn’t use it, as ClamAV has notoriously poor detection.

        ST web guard is like SiteAdvisor or WOT, and doesn’t do anything on its own.

        Comment by theymos — August 4, 2009 @ 10:52 am

  44. Hi, spyware terminator detected this ; “ some harmful remaining software & this indicate the software has been removed & this parts has remaining or the software has been modify & ST can’t detect all its parts”.
    I suspect there are some spyware or viruses with my computer, I received many spam mail (drug/Viagra advertisement) every time when I start up my computer. What should I do? I tried Avira, Avast, Symantec, Kalpalsiki or Ad-ware & now ST with ClamAV but all detect nothing. Any good sugestion ?

    Comment by Alex YTF — August 22, 2009 @ 10:42 am

    • Spam doesn’t mean that you have a virus. It just means that spammers have your email address.

      That ST warning is usually caused by some harmless piece of data in the temp folder. Delete it and forget about it.

      To be sure that you have no viruses, I would scan with the Eset online scan, the Panda online scan, Spybot, and MalwareBytes.

      Comment by theymos — August 22, 2009 @ 3:07 pm

      • MBytes detected above. I won’t use Panda ; too sensitive & every time caused problem during start up. Eset detect nothing. Can I install Mbytes + ST with ClamAV together ?

        ” MalwareBytes deteced 10 infected ;egistry Keys Infected:
        HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{c1c6426b-fb16-4123-acbe-74d94fb0e663} (Trojan.Downloader) -> Quarantined and deleted successfully.
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{a7f05ee4-0426-454f-8013-c41e3596e9e9} (Adware.Cinmus) -> Quarantined and deleted successfully.
        HKEY_CLASSES_ROOT\TypeLib\{67450775-3b18-49b1-aa83-0e010f07f4df} (Trojan.Dropper) -> Quarantined and deleted successfully.
        HKEY_CLASSES_ROOT\Interface\{69b3ebfa-0015-4914-9312-e7758eacfac1} (Trojan.Dropper) -> Quarantined and deleted successfully.
        HKEY_CLASSES_ROOT\CLSID\{30de9920-2e84-40a2-88a5-b8d256e15101} (Trojan.Dropper) -> Delete on reboot.

        Registry Values Infected:
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs\C:\Program Files\Common Files\ACD Systems\Filters\EITCC_LinearBlur.dll (Trojan.Dropper) -> Quarantined and deleted successfully.

        Registry Data Items Infected:
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\FirewallDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.

        Folders Infected:
        (No malicious items detected)

        Files Infected:
        C:\Program Files\Common Files\ACD Systems\Filters\EITCC_LinearBlur.dll (Trojan.Dropper) -> Quarantined and deleted successfully.

        Comment by Alex YTF — August 23, 2009 @ 4:14 am

      • You can install MalwareBytes with ST and ClamAV as long as you don’t run the paid real-time protection. You must not run two real-time protection engines at one time.

        The things MalwareBytes found were all “bits and pieces” of possibly bad things that are not in themselves dangerous. No executable files were found.

        After scanning with so many different products, it is very unlikely that you still have anything dangerous. If you want, though, I’ll take a look at a HijackThis or ComboFix log. Use my contact info on theymos.com.

        Comment by theymos — August 23, 2009 @ 5:03 am

  45. The Free MalwreBythes downloaded is only scan engine & not included paid real time protection I guess.Spam mail seem strange, it only happen during computer start Up & could be free for one whole day. I installed Mailwasher as well.

    Hijackthis & Combofix seem a bit dangerous ; I’m not a amateur computer user.

    Have you tested Comodo CIS( av included ) latest version ? Will it be better than ST, Avira or Avast ? Thanks

    Comment by Alex YTF — August 23, 2009 @ 7:06 am

    • I haven’t tried Comodo yet. I need to update my virus collection before I do another comparison. Maybe in the next few months.

      Comment by theymos — August 23, 2009 @ 4:53 pm

  46. [...] There are many comparisons online of the various programs, here’s one from 2007 (obviously, the more recent, the better) — Comodo I think comes out pretty well: http://freesoftwarecomparison.wordpress.com/2007/07/16/free-antivirus-comparison/ [...]

    Pingback by Do I Have To Pay $40 A Year For Virus Protection? — August 25, 2009 @ 12:50 am

  47. [...] There are many comparisons online of the various programs, here’s one from 2007 (obviously, the more recent, the better) — Comodo I think comes out pretty well: http://freesoftwarecomparison.wordpress.com/2007/07/16/free-antivirus-comparison/ [...]

    Pingback by What Pundits Are Saying » Blog Archive » Do I Have To Pay $40 A Year For Virus Protection? — September 1, 2009 @ 10:19 am

  48. COMODO CIS + antivirus achieved great real time shield test on Malware research group test 2009;when defensive feature turn on.Same rank as Avira Premium & q-squard except CIS is FREE. Avast pro.& AVG – out !

    detection rate test also suffician.
    Detection test Results:( COMODO with defensive feature off )
    1. a-squared – 99.7% 2. Avira – 99.5% 3. G DATA – 99.4% 4. Kaspersky – 98.8%
    5. Avast – 98.7% 6. BitDefender – 98.6% 7. eScan – 98.5% 8. Norton – 98.2%
    9. Nod32 – 97.4% 10. COMODO – 97.1%

    I think will install CIS & remove ST & Avira.Cheers

    Comment by Alex YTF — September 2, 2009 @ 12:20 pm

  49. The AVG 8.0 free version works great and is above all FREE! However, investing the money to acquire the paid version will be well worth it. It increases your overall protection with the anti-rootkit, safe surfing (protection from drive-by downloads), safe downloading and protection during instant messaging sessions. All of which are not made available with the free version.

    Comment by רופא שיניים — September 30, 2009 @ 9:37 pm

  50. thank’s a lot for info sharing. Nice review ^_^

    Comment by hanum — October 24, 2009 @ 7:40 am

  51. Waow enjoyed reading your blogpost. I added your feed to my reader!!

    Comment by NeNExessonele — December 11, 2009 @ 9:11 pm

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    Pingback by The Best Free Anti-Virus Applications | Froggy IT Solutions — October 11, 2011 @ 11:28 pm


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