Swen (computer worm)

Swen worm
Swen worm
Technical name	Win32/Swen
Alias	Win32/Swen.worm.106496 (AhnLab); W32/Swen.A@mm (Authentium Command); I-Worm/Swen.A (AVG); Win32/Swen.A@mm (BitDefender); Win32/Swen.A.Worm (CA); Win32/Swen.A (ESET); Email-Worm.Win32.Swen (Kaspersky); W32/Swen@MM (McAfee); W32/Swen.A@mm (Norman); W32/Gibe.C.worm (Panda); W32/Gibe-F (Sophos); Email-Worm.Win32.Swen (Sunbelt Software); W32.Swen.A@mm (Symantec); WORM_SWEN.A (Trend Micro); I-Worm.Swen.A1 (VirusBuster);
Type	Computer worm
Subtype	Mass mailer
Technical details
Platform	Windows 95 to Windows XP
Size	106-496 bytes

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Swen is a mass mailing computer worm written in C++. It sends an email which contains the installer for the virus, disguised as a Microsoft Windows update, although it also works on P2P filesharing networks, IRC and newsgroups' websites. It was first analyzed on September 18, 2003, however, it might have infected computers before then. It disables firewalls and antivirus programs.