The December 2001 Virus Top Twenty
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The latest monthly installment of the Kaspersky Virus Top 20 is here. To find out more details about each virus, simply click on the links below.
| position | virus | percentage by occurrence |
|---|---|---|
| 1 | I-Worm.BadtransII |
87.4% |
| 2 | Trojan.PSW.Gip | 2.5% |
| 3 | I-Worm.Hybris |
2.3% |
| 4 | I-Worm.Sircam | 1.4% |
| 5 | I-Worm.Magistr | 1.1% |
| 6 | I-Worm.Aliz | 0.9% |
| 7 | I-Worm.Nimda | 0.6% |
| 8 | Trojan.PSW.Hooker | 0.5% |
| 9 | I-Worm.Goner | 0.3% |
| 10 | Macro.Word97.Thus |
0.3% |
| 11 | I-Worm.Petik |
0.2% |
| 12 | I-Worm.Zoher |
0.1% |
| 13 | Backdoor.Death |
0.1% |
| 14 | Macro.Word97.Furi |
0.1% |
| 15 | JS.Trojan.Seeker | 0.1% |
| 16 | Macro.Word97.Jota | 0.1% |
| 17 | I-Worm.HappyTime | 0.1% |
| 18 | Gnutella-Worm.Mandragore | 0.1% |
| 19 | Macro.Word97.Verlor |
0.1% |
| 20 | Macro.Word97.Shore | 0.1% |
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-december-2001-virus-top-twenty/36017/