Top 10 Malware September 2020

guest · Oct 24, 2020

September 2020 Top 10 Malware
October 20, 2020
https://www.cisecurity.org/blog/september-2020-top-10-malware/

In September 2020, we had 3 malware return to the Top 10: CoinMiner, CryptoWall, and Emotet.
The Top 10 Malware variants composed 87% of Total Malware activity in September 2020, up from 78% in August 2020. This increase is largely due to the recent Shlayer campaign ramping up, as the education year begins for universities and K-12 schools.

Due to the new education year, Shlayer is highly-likely to continue its prevalence in the Top 10 Malware for the coming months. Additionally, this month the MS-SIAC saw an increased number of Emotet alerts, as it reemerged from dormancy to continue malspam campaigns resulting in secondary Qakbot and TrickBot infections.
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Malvertisement continues to increase and stay as the top initial infection vector is due to Shlayer. Shlayer returned to the Top 10 Malware after new evidence resulted in it being reclassified as a Trojan Downloader compared to an Adware Dropper. Activity levels for all vectors, except malspam and network, increased. It is likely that malvertisement will remain the primary infection vector as the Shlayer campaign pans out.
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Top 10 Malware September 2020

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