Antivirus software are computer programs that attempt to identify, neutralize or eliminate malicious software. The term "antivirus" is used because the earliest examples were designed exclusively to combat computer viruses; however most modern antivirus software is now designed to combat a wide range of threats, including worms, phishing attacks, rootkits, trojan horses and other malware. Antivirus software typically uses two different approaches to accomplish this:
* examining (scanning) files to look for known viruses matching definitions in a virus dictionary, and
* identifying suspicious behavior from any computer program which might indicate infection.

The second approach is called heuristic analysis. Such analysis may include data captures, port monitoring and other methods.
Most commercial antivirus software uses both of these approaches, with an emphasis on the virus dictionary approach.

PCMAV 2.1a Fixed - Valkyrie (Download)

Here is a new in PCMAV 2.1a Fixed - Valkyrie :

1. Updated! Added a database and virus cleaning 70 local / foreign / new variants have been spread in Indonesia. Total 2883 virus with all variant , including variants of Conficker and Sality polymorphic complex and sophisticated, the many circulating in Indonesia has been known in this version 2.1.
2. NEW! Engine specific to thoroughly deal with the radical amount of 4 variants Sality type of polymorphic virus (302/304/309/400) is capable of menginfeksi file. EXE and. SCR, and able to reside in memory as a trojan.
3. Improved! Added a special cleanser that can handle a lot of Autoit.EE virus spread in Indonesia.
4. Improved! Engine heuristik to detect polymorphic variants of virus that many circulating in Indonesia.
5. BuG fixed! Error detection (false alarm) heuristik on some programs and scripts.
6. Improved! Several name changes the virus has found a new variant.
7. Improved! Some minor improvements and bug improvised code to ensure that internal PCMAV can still be anti-Indonesian pride.

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