"Adware" and any other poorly-defined events excluded. "Banker", "Rootkit", and "Password dumper" are excluded too due to insignificant share of attacks. Numbers do not add up to 100 because types of attacks with insignificant share were excluded.
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Global malware types detected most frequently 2020-2021
Between October 2020 and September 2021, Backdoor was the most common type of malware attack worldwide. Cyber attacks of this group amounted to 37 percent of all detected malware attacks in the measured period. Downloader ranked second, with 17 percent, while Worm followed with 16 percent among all malware attacks reported.
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Orange. (March 2, 2022). Most commonly encountered types of malware attacks worldwide from October 2020 to September 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/271037/distribution-of-most-common-malware-file-types/
Orange. "Most commonly encountered types of malware attacks worldwide from October 2020 to September 2021." Chart. March 2, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/271037/distribution-of-most-common-malware-file-types/
Orange. (2022). Most commonly encountered types of malware attacks worldwide from October 2020 to September 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/271037/distribution-of-most-common-malware-file-types/
Orange. "Most Commonly Encountered Types of Malware Attacks Worldwide from October 2020 to September 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Mar 2022, /statistics/271037/distribution-of-most-common-malware-file-types/
Orange, Most commonly encountered types of malware attacks worldwide from October 2020 to September 2021 ÌÇÐÄÆƽâ°æ, /statistics/271037/distribution-of-most-common-malware-file-types/ (last visited July 20, 2026)
Most commonly encountered types of malware attacks worldwide from October 2020 to September 2021 [Graph], Orange, March 2, 2022. [Online]. Available: /statistics/271037/distribution-of-most-common-malware-file-types/
