Malware reports

Virus Top Twenty – October 2002

Kaspersky Labs presents the Virus Top 20 for the month of October.

The percentage shown represents the percentage of registered incidences.

1 I-Worm.Tanatos 44.9%
2 I-Worm.Lentin 21.6%
3 I-Worm.Klez 14%
4 Macro.Word97.Thus 3.1%
5 I-Worm.Hybris 1.1%
6 I-Worm.Magistr 1%
7 Macro.Word97.Marker 1%
8 I-Worm.Sircam 0.7%
9 Macro.Word97.Flop 0.7%
10 Macro.Word97.Ethan 0.5%
11 Macro.Word97.TheSecond 0.5%
12 Macro.Word97.Onex 0.4%
13 Macro.Word97.Story 0.3%
14 I-Worm.Cervivec 0.3%
15 Joke.Win32.Train 0.3%
16 Backdoor.Death 0.3%
17 Macro.Word97.Dig 0.3%
18 Macro.Word97.Melissa 0.3%
19 Trojan.PSW.Gip.113 0.2%
20 Trojan.Win32.Erase2002 0.2%


Operation TunnelSnake

A newly discovered rootkit that we dub ‘Moriya’ is used by an unknown actor to deploy passive backdoors on public facing servers, facilitating the creation of a covert C&C communication channel through which they can be silently controlled. The victims are located in Africa, South and South-East Asia.

APT trends report Q1 2021

This report highlights significant events related to advanced persistent threat (APT) activity observed in Q1 2021. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published and discussed in greater detail in our private APT reports.

The leap of a Cycldek-related threat actor

The investigation described in this article started with one such file which caught our attention due to the various improvements it brought to this well-known infection vector.

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