Year: 2001 | Securelist

Kaspersky Labs presents the Virus Top 20 for the month of November.
In order to find out more details about each virus, simply click on the links below.
position
virus
percentage by occurrence
1
I-Worm.BadtransII 28.4 %
2
I-Worm.Aliz 6.1%
3
Trojan.PSW.Gip 2.7%
4
I-Worm.Magistr 1.8%
5
I-Worm.Sircam…

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Reports

According to Kaspersky, Librarian Ghouls APT continues its series of attacks on Russian entities. A detailed analysis of a malicious campaign utilizing RAR archives and BAT scripts.

Kaspersky GReAT experts uncovered a new campaign by Lazarus APT that exploits vulnerabilities in South Korean software products and uses a watering hole approach.

MysterySnail RAT attributed to IronHusky APT group hasn’t been reported since 2021. Recently, Kaspersky GReAT detected new versions of this implant in government organizations in Mongolia and Russia.

Kaspersky researchers analyze GOFFEE’s campaign in H2 2024: the updated infection scheme, new PowerModul implant, switch to a binary Mythic agent.

Archive

The Virus Top 20 for November 2001

Extra! Extra! September 2001 Top 20!

July 2001 Top Ten Sizzles

April’s Top Ten Occurring Viruses

June 2001 Bugs: The Virus Top Ten

Like Pigs in Mud: May 2001 Virus List

The Old, the New, and the Ugly – March 2001 Top Viruses

January 2001 Virus “Hits”

Keyloggers: How they work and how to detect them (Part 1)

Scammers’ delivery service: exclusively dangerous

RansomEXX Trojan attacks Linux systems

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Reports

Sleep with one eye open: how Librarian Ghouls steal data by night

Operation SyncHole: Lazarus APT goes back to the well

IronHusky updates the forgotten MysterySnail RAT to target Russia and Mongolia

GOFFEE continues to attack organizations in Russia

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