18 隻免費防毒軟件 (部份連防火牆)

在論壇出的投票文章，改了些再在這裡保仔。

只包括有實時保護及殺毒功能的防毒軟件，一些只有掃描功能的並不算，這些軟件都是永久免費，有些如 avast、avira.. 等有軟件有效期的都可免費再續期，部份軟件有分收費版及免費版，請注意正確下載及安裝免費版。

1. Avast http://www.avast.com/index_cnt.html (Avast 6.0 功能介紹, 註冊方法, 安裝 Avast 後不能上網的解決方法)
2. Avira http://www.free-av.com/ (教你消除免費版的廣告視窗)
3. AVG http://www.avgtaiwan.com/home-small-office-security/free-antivirus (AVG 2011 功能及註冊方法介紹)
4. Ad-Aware http://www.lavasoft.com/products/ad_aware_free.php (出名的除廣告程式軟件，現在也包括實時防毒，VIPRE 引擎, Ad-Aware Free 安裝及功能介紹)
5. Comodo http://www.comodo.com/home/internet-security/antivirus.php ( 全功能連HIPS及防火牆套裝, 新手教學, 減少Defense+警示的方法)
6. Microsoft Security Essentials http://www.microsoft.com/security_essentials/default.aspx?mkt=zh-hk, (MSE 2.0介紹)
7. Panda Cloud http://www.cloudantivirus.com (Panda Cloud Free 1.3 註冊方法及功能介紹)
8. PCTools http://www.pctools.com/zh/free-antivirus/
9. 360殺毒 http://sd.360.cn/
10. 瑞星 http://www.freerav.com/
11. FortiClient http://www.forticlient.com/ (全功能連HIPS及防火牆，不過似乎幾難用，新手不宜)
12. digital defender free http://www.digital-defender.com/digital-defender-free (據聞採用 VirusBuster 防毒引擎)
13. 金山毒霸 http://www.ijinshan.com/duba/index.shtml (簡介)
14. Outpost Security Suite Free http://free.agnitum.com/ (全功能連HIPS及防火牆套裝，據報採用 VirusBuster 防毒引擎，簡介)
15. Roboscan Internet Security Free http://roboscan.com/home/home_main.aspx (防毒連防火牆套裝，採用 BD OEM 及自家的 Tera 引擎，防火牆只有基本的連入連出監控，沒有白名單，預設不啟用及不攔連出，或許另配智能一點的防火牆較好，簡介)
16. UnThreat Free http://www.unthreat.com/free-antivirus (採用 VIPRE OEM 引擎及自家的啟發式偵測，據說偵測率不錯)
17. ZoneAlarm Free Antivirus + Firewall http://www.zonealarm.com/security/en-us/zonealarm-free-antivirus-firewall.htm(老牌防火牆軟件商現在也出免費防護套裝，據聞採用卡巴 OEM 防毒引擎)
18. MYFreeAntivirus http://www.mysecuritycenter.com/en/products/my-free-antivirus (BD 2012 OEM 版，新推出，公司不出名，現好像會變相收取一些費用)

測試比較報告：
AV-Comparatives "真實世界" 動態測試每月結果
MRG Flash Test 新病毒測試
AV-Comparatives (12年7月) Heuristic/Behavioural Test (連誤報比較)
AV-Comparatives (12年6月) 防毒卡唔卡機的比較測試報告
VB100 測試結果總覽(10/2011 至 6/2012)
AV-Test Product Review - Mar/Apr 2012
AV-Comparatives (12年3月) On-Demand 偵測率測試報告
CRDF Threat Center:zero-day detection daily statistics
MRG Comparative Assessment September 2011
PCSL 大中华区综合防御能力测试2011.3
AV-Comparatives (11年2月) 防毒軟件誤報(FP)測試報告
PCSL反病毒軟件誤報測試2011年第一期

十五隻免費防毒軟件

己有更多免費防毒軟件，更新一下。

現在的免費防毒軟件功能及檢測率也不差，若不是要求特別高或是公司企業的應用，基本上已經可以代替一般要收費的防毒軟件，以下列出的只是有實時保護及殺毒功能的軟件，只有掃描功能的並不抱括。

Avast http://www.avast.com/index_cnt.html (Avast 6.0 功能介紹, 註冊方法, 安裝 Avast 後不能上網的解決方法)

Avira http://www.free-av.com/ (教你消除免費版的廣告視窗)

AVG http://www.avgtaiwan.com/home-small-office-security/free-antivirus (AVG 2011 功能及註冊方法介紹)

Ad-Aware http://www.lavasoft.com/products/ad_aware_free.php (出名的除廣告程式軟件，現在也包括實時防毒, Ad-Aware Free 安裝及功能介紹)

Comodo http://www.comodo.com/home/internet-security/antivirus.php (新手教學, 繁中語言包下載及使用方法 4.1 / 5.0, 減少Defense+警示的方法)

Microsoft Security Essentials http://www.microsoft.com/security_essentials/default.aspx?mkt=zh-hk, (MSE 2.0介紹)

Panda Cloud http://www.cloudantivirus.com (Panda Cloud Free 1.3 註冊方法及功能介紹)

PCTools http://www.pctools.com/zh/free-antivirus/

360殺毒 http://sd.360.cn/

瑞星 http://www.freerav.com/

FortiClient http://www.forticlient.com/ (全功能連HIPS及防火牆，不過似乎幾難用，新手不宜)

digital defender free http://www.digital-defender.com/digital-defender-free

可牛殺毒 http://sd.keniu.com/ (使用卡巴掃毒引擎+金山雲)

金山毒霸 http://www.ijinshan.com/duba/index.shtml (簡介)

Outpost Security Suite Free http://free.agnitum.com/ (全功能連HIPS及防火牆套裝，簡介)

舊貼 十一隻免費防毒軟件

Comodo Internet Security 5.3 正式推出

Comodo 是我一直使用開的防火牆軟件，今天有新版推出。

What's new in 5.3.174622.1216?

Below are *some* of the enhancements. The fixes included in the release notes are not the full list of the fixes.

NEW! Full IPv6 Support in firewall
NEW! Rootkit Scanner - Hidden registry keys, files and folders are detected
NEW! 5 skins from COMODO, including a native windows skin
IMPROVED! AV database updating - Virus DB size reduced significantly
IMPROVED! AV engine - fixed some bugs and added new detection mechanisms
IMPROVED! Cloud scanning is enabled by default in manual scanner now
IMPROVED! Installer - It now enables/disables windows firewall/defender during the installation/uninstallation
FIXED! CIS causes massive amount of entries in windows security audit logs
FIXED! AV does not validate the revocation status of the certificates in signed binaries
FIXED! BSOD in cmderd.sys

Frequently Asked Questions(FAQ)

Q - Which link should I use to download?
A - If you are not one of the users of CIS Pro/Plus/Complete, you should use CIS Premium links.

Q - I am an existing user using a paid version of CIS Plus/Pro/Complete) What should I do?
A - We recommend you to wait for the updates next week. Only the setups are released as of today(12/29/2010). However, if you would like to reinstall, we have included the links below for our reference.

Q - I am an existing user using a previous version of CIS. Do I receive the updates now?
A - Only the setups are released as of today(12/29/2010). We will be issuing the updates next week.

Q - Should I uninstall CIS 5.0 and reinstall CIS 5.3?
A - You dont have to. You will get the update next week anyway. But if you dont want to wait, you can.

Q - I dont want to wait for updates. Do you recommend me to uninstall CIS 5.0 and install CIS 5.3 if I have my own security configurations with a lot of changes to the defaults?
A - No. It is better to wait for updates if you want to keep your existing settings. Although importing your previous security configuration might keep your existing settings, you might miss new modifications to the default policies. Are there big security risks if i do so though? No.

Q - Does CIS 5.3 include DACS?
A - No. It is still being developed.

Q - I had reported an issue before. Is it addressed in this release?
A - We are grateful to you for helping us by reporting the issues you observed. Please be certain that all of the issues reported in the forum are in our formal release process. It *might* have been addressed in this release. But if it didnt, it will definetly be in the future releases.

Q - Are the versions downloaded from the web site the same as these?
A - Yes they are.

Q - Why doesnt the web page include the latest version infromation yet?
A - It is being updated and be online soon. Because you are a comodo family member, we would like to give you this release as a new year's gift.


Download Locations:

CIS Premium:

64 Bit Operating Systems:

http://download.comodo.com/cis/download/installs/1000/standalone/cispremium_installer_x64.exe
Size: 36M ( 37477704 )
MD5: ea17f83366da89443b93d3be50677a5d
SHA1: 08e1580ec6c1ec4b2204c9ebe5d39a4360c21610

32 Bit Operating Systems:

http://download.comodo.com/cis/download/installs/1000/standalone/cispremium_installer_x86.exe
Size: 34M ( 35188552 )
MD5: 2b9e02d280436011429bceb5c0a1953c
SHA1: 8f03397c1e0567317c1015dd8bf966e3c147193d

官方原貼

Comodo Internet Security 2011 (ver. 5) 正式推出

有以下新工能及改善

1. 防火牆加入雲測毒 (就算不安娤防毒模組也會檢測要執行的程式)
2. 加入行分析防護
3. 自動檢測不明程式，若在雲白名單(cloud white-listing)會自動把檔案加入本地白名單
4. Game Mode
5. 改善沙盤的兼容性
6. 加強除清毒功能

繁體中文化檔案

官網介紹

What's New In COMODO Internet Security 2011?

THANKS! COMODO would like to thank the beta testers whose feedback made this release possible!

NEW! Extended spyware scanner and improved malware cleaning
NEW! Cloud Based Antivirus Scanning
NEW! Cloud Based Behavior Analysis
NEW! Cloud Based Application White-listing
NEW! Game Mode
IMPROVED! Application Control
IMPROVED! Default Deny re-engineered to improve application compatibility
IMPROVED! Application user interface

Cloud Based Infrastructure:

2011 family of products(Yes COMODO Firewall too!) are now armed with cloud based file rating technologies. The cloud computation, enabled by default, is used for a variety of purposes.(Do not be surprized if COMODO Firewall gives you a malware alert!!!).

With cloud computation;

Cloud based Whitelisting: Safe files and trusted vendors are now easily identified. The concept of “Trusted Publisher” is now cloud based.

Cloud based Anti virus: Malicious files are detected even if the users do not have an up-to-date antivirus product or an antivirus product at all.

Cloud Based Behaviour Analysis: Zero-day malware can be detected INSTANTLY by COMODO’s cloud based behavior analysis system CIMA(Comodo Instant Malware analysis).

Extended Spyware Scanning

COMODO’s vision and focus has been about “keeping a clean computer clean” from early days. Now that We have achieved that COMODO is focusing on “cleaning an already infected computer”. This is why we extended the spyware scanning in COMODO Internet Security 2011 and COMODO Antivirus 2011 and now include a new spyware scanner which is capable of scanning the windows registry and computer disks for the signs of malware infection.

This new scanner is implemented to improve the detection and successful cleaning rate of already infected systems.

Game Mode

2011 family of products are now gamer friendly security applications. When they are put into the game mode, the operations that can interfere with users’ gaming experience such as alerts or resource intensive virus database updates, scheduled scans are suppressed.

Stronger and Smarter Application Control

2011 family of products have a highly smart application control mechanism which extends the functionality of the previous versions.

The new application control provides the users the ability to lockdown their computers such that only the known good applications can be executed.

The new sandbox introduces a new default application isolation level, partially limited, which improves the compatibility with many windows products.

Nowadays, a lot of malware come in other forms than standalone executables. For example, some come in the form of visual basic scripts while some come in the form of java binaries. When they come in such forms, they are executed by “interpreter” applications such as wscript.exe or java.exe etc.

2011 family of products can identify such applications heuristically and detect the real file behind the requests of “interpreters”.

Comodo Internet Security 5 beta (更新至 5.0.158836.107)

Comodo 推出 CIS 5(或稱 CIS 2011)測試版，試用了一下，介面作出了較大改變，但主要操作方法沒有太大改變，舊用戶應該不難適應。

似乎內建白名單也加大了，一些以前認不出的程式現在也能自動識別，使用上更方便。

下載網頁
COMODO Internet Security 5.0.158836.1079 Released!

已經有人開始制作繁體中文語系檔案

官網介紹
NEW! Heuristic command-line processing of certain applications: Non-PE executables e.g. Scripts,
Java apps, MS installer files, are now handled by Defense+.
NEW! Ability to add a file to trusted files from sandbox notification
NEW! Ability to clear logs reintroduced
FIXED! After initial install, windows hangs in welcome screen
FIXED! Firewall does not filter windows broadband compatible modems
FIXED! BSOD in windows 7 while uninstalling CIS
FIXED! Sandbox alert shows XML code instead of proper dialog
FIXED! AV crashes while doing spyware scanning
FIXED! Isolated application does not appear in unrecongnized files list
FIXED! cfp.exe crashes randomly

There are many other fixes in this version that i havent included here.

Comodo Internet Security 5 beta 推出

Comodo 推出 CIS 5(或稱 CIS 2011)測試版，試用了一下，介面作出了較大改變，但主要操作方法沒有太大改變，舊用戶應該不難適應。

似乎內建白名單也加大了，一些以前認不出的程式現在也能自動識別，使用上更方便。

下載網頁
COMODO Internet Security 5.0.156985.1061 BETA Released

已經有人開始制作繁體中文語系檔案

官網介紹
NEW! Application Whitelisting
CIS 5.x fills the missing links that its predecessors had in this area by providing a usable application white list control.

NEW! Spyware Scanner and improved malware cleaning
CIS 5.x again fulfills the missing features of its predecessors by providing a new spyware scanner which is capable of scanning the windows registry and file system.

Note: We will be releasing the signatures for spyware scanning during the course of BETA testing. So you might not immeidately see this in action. i.e. next monday

NEW! Cloud Based Antivirus Scanning
CIS 5.x has integrated the cloud based computation everywhere. From on-demand scanning to process execution control, it checks if the file is known in the cloud.

NEW! Cloud Based Behavior Analysis
Instant malware analysis has been introduced to CIS 5.x making detection of unknown malware possible! Any unknown file that is sandboxed and NOT observed by COMODO before is submitted to CAMAS and results are sent to the PC in 15 minutes after the upload process is done.

NEW! Game Mode
Now CIS has a game mode. Just before you start to play a game, you can switch to game mode and all the alerts will be suppressed. Virus database updates or schedules scans will also be postponed.

IMPROVED! Default Deny re-engineered to improve application compatibility
Unlike CIS 4.x, CIS 5.x, by default, automatically runs every unknown executable as "Partially Limited", which is a new level introduced with CIS 5.x.

IMPROVED! A New User Interface!
You will be seeing a lot of suprises with the new user interface. It is friendlier, easier and prettier.

Norman Security Suite DnBNOR 4 年免費特別版

一般三個月或一年免費的商用軟件不難找到，不過這個是四年免費版，主要功能包括

• Protection against new and unknown malware
• Block viruses from entering via email and IM
• Scanning scheduler
• Personal firewall
• Parental Control prevents access to inappropriate websites
• Time limit kids access to internet

官方下載網頁

教你如何減少 Comodo 防火牆 Defense + 的警示

Comodo 防火牆功能強大，雖然版本4已減少了很多警示，但還是有許多人特別是初用者都嫌它有太多的警示，有人建意關閉 Defense+ 功能，但這差不多廢了 Comodo 的防護能力，個人並不贊同。

其實 Comodo 本身也提供了下列一些方法幫你減少 Defense+ 的警示﹔

1. 我的安全檔案
Comodo 內建了一份安全檔案清單，執行在清單內的檔案時只會有極少的警示，因內建清單只包括一些較流行的程式，用戶可以自己在 Defense+ 的一般設定內，把常用的程式加到"我的安全檔案"清單中。若檔案有軟體商的數位憑證簽章，個人會建議用方法2，因這樣可讓 Comodo 識認更多安全檔案。

2. 我的信任軟體商
Comodo 也內建了一份信任軟體商清單，若檔案是有信任軟體商的數位憑證簽章，便會當為是安全的檔案，用戶同樣可以在 Defense+ 的一般設定內，把常用程式的軟體商加到"我的信任軟體商"清單中。

3. 使用"乾淨系統模式"
若你確定電腦現時沒有感染惡意程式(包括你已下載的安娤檔)，你可以使用 Defense+ "乾淨系統模式"，這樣現存硬碟上的所有程式都會視為安全的檔案，而 Defense+ 只會監視啟動"乾淨系統模式"後新安娤或下載的程式。

4. 暫時使用"學習模式"
若你的電腦一向沒有問題，你可以用 Defense+ "學習模式"幾天自動建立 Defense+ 的安全規則，再返回安全模式以減少警示，當然使用學習模式時會失去 Defense+ 的保護功能，所以我自己較喜歡啟用學習模式後隨即執行所有常用程式一次，然後立刻返回安全模式。


Comodo Internet Security 的一般使用教學可以參考以下連結
Comodo Internet Security V4(Anti-Virus,Firewall,HIPS)免費中文的防毒+防火牆+HIPS行為防護 (超詳細教學)
Comodo Internet Security 4.0 免費防毒防駭防火牆新版心得

自制 Comodo Internet Security 4 繁體中文語言包

CIS 4 最新版已沒有跟繁體中文介面，個人始終喜歡看繁體字，這是我自制的繁體中文語言包，因不想花太多時間，所以以簡體版本轉為繁體版作基礎，再修改成原3.XX繁體版的用詞，其實也不知有沒有省下時間，使用方法如下︰

1. 下載繁中語言包
2. 把語言包解壓，並把解壓後所有檔案(6個)抄到以下資料夾
C:\Program Files\COMODO\COMODO Internet Security\translations
3. 打開 CIS 介面並在語言選項下選擇 "中文(繁體) - By Community"
4. 重啟 CIS 便可看到繁中介面

Version 4 語言包下載頁面

CIS Version 5 中文化連結
CIS 5中文化語系檔案
CIS 5 台灣版－－正體中文翻譯

Comodo Internet Security 4.1 推出

Comodo 的防火牆口碑一向不錯，除了一段短時間試用了其它防火牆，從2.4的純防火牆版開始便用到現在。

CIS 4.1 除了防火牆還包括防毒功能，曾經用過它的防毒但因出現不少問題而放棄使用。4.1 除去了 Hopsurf, Ask search thingy, Live PC support...等有爭議的可選附加軟件，而且也有不少 bug fixes。

4.0 及 3.x 的用戶會自動更新

3.0已開始使用的傳統介面

What's New in COMODO Internet Security 4.1.149672.916?

• NEW! Sandbox button in elevated privilege alerts: Privilege elevation alerts now include a sandbox button to run installers in limited mode
• IMPROVED! Default security policy is modified so that outbound firewall connection alerts are shown for the unknown applications
• IMPROVED! Online Lookup: Defense+ now checks the applications online in real-time before automatically sandboxing them
• FIXED! The vulnerabilities related to certain hooks reported by Matousec.com(http://www.securityfocus.com/bid/39924/)
• FIXED! Incompatibility problems with many applications(e.g. HD Speed, Autocad etc)
• FIXED! Already submitted files can be submitted again under certain conditions
• FIXED! Defense+ does not show protected registry key modification alerts for sandbox applications in Windows XP 64
• FIXED! Windows System Restoration fails because of file sfi.dat
• FIXED! Cfp.exe freezes while showing real-time virus detection dialog
• FIXED! Antivirus crashes while scanning certain files

官方介紹及下載
COMODO Internet Security 4.1.149672.916 Released!

自己組合電腦安全防護套娤

通常免費軟件只包單一功能，如 Avast、Avira 只是防毒免費，若要連防火牆及上網安全防護等都要用收費的防護套娤，其實自己可以用不同免費軟件組合防護套娤，效能一點不比收費的差，以下是我自己的防護套娤組合︰
防病毒︰ Avast 5
防火牆︰ Comodo 4.0
上網安全私隠防護︰ Prevx SafeOnline 3.0, KeyScrambler Personal 2.6

相關文章
十一隻免費防毒軟件
Avast 5.0 更新至 5.0.545
免費防火牆
Previx SafeOnline 上網安全軟件 (更新至 3.0.5.140)
防截鍵軟件 KeyScrambler Personal

HIPS、防火牆 測試軟件 Comodo Firewall Test Suite

現在很多防火牆軟件如 Comodo、Outpost及 Amor Online 等都已包括 HIPS 功能，所以這套 Comodo 自家出的 Comodo Firewall Test Suite 防火牆測試軟件當然也包括測試 HIPS 功能如寫入機碼、系統檔案保護等，若想知自己的防護軟件保護能力或者有否因設定錯誤而使保護能力下降，那不妨下這套軟件測試一下，不用安裝，只要下後執行便可。

 官方網站

免費防火牆

除了病毒防護，防火牆也是不可少的電腦防護軟件，比起 XP，Windows 7 已經加強了防火牆的功能，若還是在用 XP 或 想要更強大的防火牆功能，可以安裝以下其中一個，他們在防火牆測試都有很好的成績，個人是用 Comodo 防火牆，至於那一個較好我相信就要看個人習慣及喜好了﹔

Comodo (雖然有連防毒功能，但不建議使用，安裝時可以選擇﹔有中文)
Online Armor Free
PC Tools (有中文)
Outpost Free