| Polymorphic Malware | Pairwise Alignment/AVS Product | Top Five State-of-the-art AVS Products and Our Top Signatures (S) | Detection Ratio (with Accuracy) and Statistical Measures | |
| W32.Kitti Virus | AntiVirus Ranked No. 1 | Bitdefender Antivirus | Detection Ratio (Accuracy) | 324/1106 (29.29%) |
| Sensitivity/Recall | 29.29% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 45.31% | |||
| AntiVirus Ranked No. 2 | Kaspersky Anti-Virus | Detection Ratio (Accuracy) | 1106/1106 (100.00%) | |
| Sensitivity/Recall | 100.00% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 100.00% | |||
| AntiVirus Ranked No. 3 | McAfee AntiVirus | Detection Ratio (Accuracy) | 293/1106 (26.49%) | |
| Sensitivity/Recall | 26.49% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 41.88% | |||
| AntiVirus Ranked No. 4 | Norton Security | Detection Ratio (Accuracy) | 450/1106 (40.69%) | |
| Sensitivity/Recall | 40.69% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 57.84% | |||
| AntiVirus Ranked No. 5 | F-Secure Anti-Virus | Detection Ratio (Accuracy) | 333/1106 (30.11%) | |
| Sensitivity/Recall | 30.11% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 46.28% | |||
| Original W32.Kitti virus and Variant 1 | S1-S6 | Detection Ratio (Accuracy) | 1106/1106 (100.00%) | |
| Sensitivity/Recall | 100.00% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 100.00% | |||
| Variant 1 and Variant 2 | S7-S10 | Detection Ratio (Accuracy) | 1106/1106 (100.00%) | |
| Sensitivity/Recall | 100.00% | |||
| Specificity | 0.00% | |||
| Precision | 100.00% | |||
| F1 Score | 100.00% | |||