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Authors
SirCam, Hybris, Nimda…What do they have in common? They’re on the Virus Top 20 list for the month of September, 2001.
For a complete look at the Top 20 and a full description of each virus in it,
click here.
Authors
From the same authors
In the same category
Kaspersky GReAT experts analyze the Evasive Panda APT’s infection chain, including shellcode encrypted with DPAPI and RC5, as well as the MgBot implant.
Kaspersky expert describes new malicious tools employed by the Cloud Atlas APT, including implants of their signature backdoors VBShower, VBCloud, PowerShower, and CloudAtlas.
Kaspersky’s GReAT experts have uncovered a new wave of cyberattacks by the ForumTroll APT group, targeting Russian political scientists and delivering the Tuoni framework to their devices.
Kaspersky discloses new tools and techniques discovered in 2025 Tomiris activities: multi-language reverse shells, Havoc and AdaptixC2 open-source frameworks, communications via Discord and Telegram.
Extra! Extra! September 2001 Top 20!