Trojans were found to be the most widely chosen tool for cybercriminals to infiltrate Windows systems in 2019, according to . As of the measured period, trojans accounted for 64.31 percent of all malware attacks on Windows systems, followed by viruses at 15.52 percent.
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AV-TEST. (August 26, 2020). Distribution of leading Windows malware types in 2019 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/221506/share-of-new-types-of-malware/
AV-TEST. "Distribution of leading Windows malware types in 2019." Chart. August 26, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/221506/share-of-new-types-of-malware/
AV-TEST. (2020). Distribution of leading Windows malware types in 2019. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/221506/share-of-new-types-of-malware/
AV-TEST. "Distribution of Leading Windows Malware Types in 2019." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Aug 2020, /statistics/221506/share-of-new-types-of-malware/
AV-TEST, Distribution of leading Windows malware types in 2019 ÌÇÐÄÆƽâ°æ, /statistics/221506/share-of-new-types-of-malware/ (last visited July 24, 2026)
Distribution of leading Windows malware types in 2019 [Graph], AV-TEST, August 26, 2020. [Online]. Available: /statistics/221506/share-of-new-types-of-malware/
