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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.
From the same authors
In the same category
Kaspersky researchers uncovered malicious wheel packages in PyPI that targeted both Windows and Linux and contained a dropper delivering malware dubbed ZiChatBot. We attribute this activity to OceanLotus APT.
The Silver Fox group is targeting companies in Russia and India by impersonating tax authorities to distribute ValleyRAT and the new ABCDoor backdoor.
Kaspersky researchers analyze updated CoolClient backdoor and new tools and scripts used in HoneyMyte (aka Mustang Panda or Bronze President) APT campaigns, including three variants of a browser data stealer.
Kaspersky discloses a 2025 HoneyMyte (aka Mustang Panda or Bronze President) APT campaign, which uses a kernel-mode rootkit to deliver and protect a ToneShell backdoor.
Extra! Extra! September 2001 Top 20!