Since April 8, 2014, with the termination of support for Windows XP, the work of the Microsoft Security Essentials antivirus for this OS has also stopped. He does a pretty good job with his work and is generally comfortable to use.
Is there a decent free alternative? I hope to find the answer under the cut.
It was decided to use the following configuration:
- CPU - Amd Athlon X2 64 3800+ (2 GHz)
- MB - Asus M2A-VM (am2 +)
- RAM - 2GB DDR2 800
- HDD - Samsung SP0411N (40 GB / 2 MB / 7200 rpm / IDE)
The system has all the latest updates installed including notification of the end of support. Also installed all the drivers from the disk kit motherboard. Bill created an image of the system that unfolded before installing each antivirus.
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Participants:
TIME OF SYSTEM DOWNLOAD
It was measured by a stopwatch in hand - from turning on the PC until the appearance of the antivirus icon (active mode) in the system tray. I did not find a more accurate and fast method of collecting measurements, so the graph is more for general presentation.

TIME SCANNING SYSTEM FOLDERS
As such - WINDOWS, Program Files, Documents and Settings copied from the system image, without antivirus, the number of files is unchanged.

USING THE PROCESSOR AND MEMORY
The collection was carried out using the native utility - logman (thanks for the article
Experience using the logman utility to collect application performance metrics in Windows to the user
alexbljack ), then cleaned with a php script.


Under the spoilers graphics each
Panda Cloud Antivirus Free Ad-Aware Free Antivirus + Avast Free Antivirus 2014 Microsoft Security Essentials DETECTED INFECTED FILES
All antiviruses had the latest program and database updates, default settings. The used old packs of viruses for 2010-2012 in the amount of 8983 were used, and 944 of which could be downloaded from the list for 2012-2014 with malwaredomainlist.

EVENTUALLY

Virus-free activity to you.