Anti-Malware test performed by Malware Research Group in April 2009:
Project details: On Demand scan test
Operating System used in this test: Windows XP Professional Service Pack 3
Total number of programs used in this test: 18
Malware samples used in this test: 395.844
Malware categories used in this test and the amount of samples in each category :
Windows/Macro Viruses- 18.696
Trojans/Backdoors- 243.811
Worms/Rootkits- 86.634
Adware/Spyware- 46.703
The table shows the program tested, the amount of malware samples (all of the categories above) that were detected and removed.
| Program | Detection Rate (%) |
| a-squared | 99.6% |
| Avira | 99.6% |
| G DATA | 99.4% |
| Avast | 99.2% |
| Norton | 99.0% |
| Kaspersky | 98.8% |
| BitDefender | 98.7% |
| eScan | 98.5% |
| F-Secure | 98.3% |
| McAfee | 98.1% |
| Nod32 | 97.6% |
| AVG | 96.9% |
| COMODO | 96.2% |
| Twister | 95.7% |
| Sophos | 93.5% |
| Norman | 93.2% |
| Dr.Web | 86.3% |
| ClamAV | 85.7% |
All details can be reviewed here: Test #18