Avast! Home Edition 4.8.1227

Avast! Free Antivirus (Avast! 免費家用防毒)是一個擁有基本防毒功能以及反間諜的每費軟體。它可以掃瞄並防禦各種病毒、間諜軟體和各式的惡意程式。

• 全球最受信任的防毒軟體，主動保護幾乎 2 億台 PC、Mac 和 Android 裝置
• 將所喜愛的銀行或購物網站設定為在“虛擬視窗”中自動啟動，確保您所有敏感的財務交易處於私密狀態。
• 瀏覽器或 PDF 閱讀器等過時版本的應用程序，因而大多數病毒和惡意軟體威脅所利用的漏洞在較新版本上都得到修復。
• 掃瞄並防禦各種病毒、間諜軟體和各式的惡意程式。
• 自動檢測未知的Rootkit，在惡意程式執行之前先行阻止。
• 增加代碼模擬和啟發式引擎，兩大新功能。
• 檢查電腦可能不需要的程序。
• 不再重新掃瞄確定安全的文件，減少需要掃描的文件量。
• 行為、文件系統、郵件、網頁、P2P...等各種類型的防護。
• 遊戲模式，自動偵測全螢幕的應用程式停止彈出視窗訊息。
• 在多核心CPU上可以執行更快。

* improvements in some unpackers (WinExec, SFX CAB, LHARC, ZOO)
* check for critical system files is now performed even in the on-access scanner (as a prevention of false positives)
* command line scanner (ashCmd.exe): fixed displaying of directory count
* Windows Vista: during a scan of system drive, duplicate entries are now handled correctly (symlinks)
* Explorer extension process (ashQuick.exe) now ends immediately after aborting a scan
* fixed a bug in SMTP alerts (adding of random characters to the address)
* verification of digital signatures now fixed even for the on-access scanner (Windows Vista and Windows XP x64)
* fixed the setting to disable checking of infected files during on-demand scans
* Enhanced UI: it is no longer possible to delete a default task by using the Delete key
* solved a synchronization problem that could potentially lead even to a hang of an avast component (e.g. the Outlook plugin)
* Windows Vista SP1: solved an issue in the kernel driver aswSP.sys (problems during system shutdown)
* added a workaround to a compatibility problem with NComputing NCT
* Standard Shield: improved handling of exceptions
* improvements in the rootkit submission system
* mail scanner: fixes in IMAP handler (Thunderbird)