Download and Update Free Antivirus Definition for Norton, Avira, AVG, Kaspersky

Where to manually download offline antivirus database and definitions? Most modern antivirus such as Symantec Norton, Avira, Avast, AVG, Kaspersky, BitDefender, McAfee, Microsoft Security Essentials, TrendMicro and more automatically updates the software and virus definition, however, there are times when you need to manually download and update the definitions.

Here is a complete list of anti virus definitions for without internet or works as a network administrator and needs to perform mass updates via the LAN network.

• avast! Pro Antivirus and Internet Security 4, 5, 6 & 7 series VPS update
• AVG Free antivirus update
• AVG Antivirus, Internet Security and Premium Security
• Avira Antivirus Premium and Internet Security VDF Package Generator
• BitDender Antivirus, Internet Security and Total Security weekly updates
• Comodo Anti-Malware database
• F-Secure Antivirus definition updates
• Kaspersky Anti-Virus 2013, 2012, and 2011
• Kaspersky Internet Security 2013, 2012, and 2011
• Kaspersky PURE 2.0 and R2
• McAfee Definition Updates (DATs)
• Windows Defender Definition File
• Symantec Endpoint Protection / Symantec Antivirus Corporate Edition (All Norton Products)
• TrendMicro Consumer, Enterprise and Mobile