* avast! 5 Free, replaces the previous avast! Home. Is still free for home use without a commercial sector, and focuses the user who makes a limited amount of internet use (browsing and email). Avast! Free is also the chosen product by Google for its free application suite.
* avast! 5 Pro: replaces the previous avast! Professional. Aimed at companies to protect their jobs and advanced users who do not need additional features such as firewalls and spam. Incorporates all the features of avast! Free plus a coat of scripts and the new avast! Sandbox (to protect web), plus frequent updates. 
avast! 5 that were not present in version 4: * avast! Sandbox: Allows potentially exploitable programs (such as Internet browsers) or the suspects can be ejectudos executable in a secure virtual environment. This feature of avast! 5 is unique in the world of antivirus and works both on 32-bit and 64 bit.
emulator code *: When avast! finds a suspicious executable (in the scanner automatically or on demand) is capable of emulating the program code in a fully isolated and secure environment. The emulator code is used for two purposes: first, as generic decompressor, and secondly to support the heuristics engine. Technically, this is produced using a process called dynamic translation, which is much faster than the usual techniques of emulation.
* Heuristic Engine: Since version 5, avast! integrates a new heuristics engine designed to proactively protect against malware that is not detected on the basis of the usual definitions of virus. This engine is capable of working with executable files and scripts.
Detection of potentially unwanted programs: Also since version 5, avast! detects potentially unwanted programs, such as remote management programs and commercial keyloggers. The user can apply rules to work voluntarily with this type of program.
* Wake up to scan: avast! you will wake up your Windows from hibernation or standby mode to perform a scheduled scan. Once completed, the machine returns to its resting state.
* Intelligent Scanner: This new system reduces the number of files scanned by 80% through a list of programs proven harmless. The files are marked as malicious will not be scanned until they do not change.
* Shield of behavior: Monitors system activity using various sensors (file system, registry and network), alerting and blocking in case you encounter suspicious activity. In addition, these files may be sent to our laboratory to be analyzed in depth and thus contribute to the collective intelligence of avast!
* avast! iTrack: Graphics in real-time antivirus scanning and activity.
silent
* Firewall: The firewall can control all incoming and outgoing traffic of your computer. The protection system is based on heuristics and behavioral analysis, and a benign application whitelisting.
* Antispam: New and comprehensive antispam system (control of junk mail) filter fraudulent messages. Provides protection against spam and may lead to pages fake banks or other companies such as PayPal. Works as an extension to Outlook as a generic proxy for other email clients.
Version 5 of avast! has been enthusiastically welcomed by its users, capturing numerous reports and articles on the Internet in the days after his departure, with the unanimous opinion that AVAST Software has done a great job of improving avast! both aesthetic and technical level. The good thing about avast! 4 is still there (eg the scan to start, now called analysis during startup) and everything I needed to improve (eg interface) has been exceeded.
One of the things that also changes avast! 5 is the licensing method: now avast! sold in packages of licenses, following the general trend in the antivirus world today. Avast! Pro has packages of 1, 3, 5 and 10 licenses and avast! Internet Security packages of 3, 5 and 10 licenses.
[edit] avast! 4
There are two versions, the professional and home ("home", free). The latter can be used whenever household (discarding all kinds of companies, associations, clubs, etc..) And installed on your computer may not develop for-profit activities. Avast! Home version can be considered a "cut" of avast! Professional, although and scan engine updates are the same and with the same frequency. In version
avast! Professional skins can be added to the user interface (which can be operated in two modes: basic and advanced), PUSH updates, specific protection for instant messaging and P2P programs, ability to set parameters from the command line, low consumption of system resources , etc. It also allows the scan to start, ie, examine the system before starting the operating system to try to prevent any type of malware is installed in memory.
The company offers very significant discounts to schools, NGOs, charitable, public, etc., to help these institutions to protect their equipment as economically as possible.
For corporate users are available suites and Professional versions, Server, Linux, SBS, Kerio, ADNM BartCD, PDA ... For home users, as well as the Home and Professional can also use the PDA version, BartCD and Linux.
In 2008 comes the family package (Family Pack), which provides avast! Professional for 10 computers and 1 license of avast! For 1 server WHS WHS (Windows Home Server) to a single very affordable price. This trend is developing in many products antivirus, since it is increasingly common for families with multiple computers at home (both fixed and portable). Avast! differs from the other options in the number of licenses offered, as the other brands tend to only 2 or 3 licenses. Importantly, the Family Pack can be used by people who have a home office, ie it can be used even if profit (consider the example of a freelance web designer who works from home). However, not allowed to purchase companies and local businesses with their own, and ultimately all that is left outside the home (eg, a SL 'limited company' or SA 'Corporation' would fall outside the scope of this package).
On March 29, 2008 marks a milestone in the history of avast!, Accounting for advanced technological developments. From this version, avast! becomes officially regarded antivirus + antispyware product (certified by Checkmark), as well as incorporating rootkit detection and addition of new processes of self-defense of the antivirus to prevent malware can disable or uninstall
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DOWNLOAD LINK:
http://www.avast.com/es-ww/free-antivirus-download
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