Top 10 Malware June 2021

guest · Jul 25, 2021

Top 10 Malware June 2021
July 23, 2021
https://www.cisecurity.org/blog/top-10-malware-june-2021/

In June 2021, the MS-ISAC observed BitCoin Miner, Mirai, and Ursnif’s return to the Top 10. The Top 10 Malware variants comprise 62% of the total malware activity in June 2021, decreasing 13% from May 2021. Shlayer is likely to continue its prevalence in the Top 10 Malware for the coming quarter. However, a recent patch from Apple addresses a zero-day vulnerability Shlayer used. This is likely reducing its effect, as we saw a 57% decrease in infections from the previous month.

In June 2021, malvertisement accounted for the greatest number of alerts. Malvertisement continues as the top initial infection vector due to Shlayer activity. Activity levels for dropped increased, while activity for malspam, malvertisement, and multiple decreased.

Below are the Top 10 Malware ranked in order of prevalence.
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Top 10 Malware June 2021

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