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The Virus Top Twenty

highMalwareimportance 42

Indicators of compromiseAll →

TypeIndicatorContext
domainbackdoor.optix.proI-Worm.Stator 0.53% 18 Macro.Word97.Melissa 0.52% 19 <!– !–>Backdoor.Optix.Pro 0.51% 20 <!– !–>Macro.Word97.VMPC 0.50% Other Malicious Pro
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Malware reports

Malware reports

03 Mar 2003

minute read

Kaspersky Labs presents the Virus Top 20 for the month of Februrary, 2003.

The percentage shown represents the percentage of registered incidences.

position virus percentage by occurrence
1 I-Worm.Klez 29.67%
2 I-Worm.Sobig 8.81%
3 I-Worm.Lentin 7.04%
4 Macro.Word97.Thus 3.12%
5 I-Worm.Avron 3.00%
6 I-Worm.Roron 2.87%
7 I-Worm.Hybris 2.49%
8 I-Worm.Tanatos 1.30%
9 Macro.Word97.Flop 0.98%
10 Macro.Word97.Saver 0.78%
11 Win95.CIH 0.71%
12 Worm.Win32.Opasoft 0.69%
13 Win95.Spaces 0.76%
14 <!–!–>Backdoor.Mosuck 0.58%
15 Backdoor.Antilam 0.57%
16 <!–!–>VBS.Redlof 0.53%
17 I-Worm.Stator 0.53%
18 Macro.Word97.Melissa 0.52%
19 <!–!–>Backdoor.Optix.Pro 0.51%
20 <!–!–>Macro.Word97.VMPC 0.50%
Other Malicious Programs* 34.18%

*not included in the Top 20

Latest Webinars
Reports

Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.

Text extracted automatically; images, tables and formatting may be missing. Original: https://securelist.com/the-virus-top-twenty-februrary-2003/36004/