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Published Feb 14, 2005 | Updated Sep 15, 2017

Win32/Sobig

Detected by Microsoft Defender Antivirus

Aliases: Win32.Sobig (CA) W32.Sobig@mm (Symantec) Sobig (F-secure) I-Worm.Win32.Sobig (Global Hauri) Sobig (Panda) W32/Sobig (Sophos) W32/Sobig@mm (Norman) WORM_SOBIG (Trend Micro) W32/Sobig@MM (McAfee)

Summary

Windows Defender Antivirus detects and removes this threat.
 
Sobig is a family of mass-mailing worms that target PCs running certain versions of Microsoft Windows.
 
The worm sends itself to email addresses that it finds on the infected PC. The worm may also spread to writeable network shares.
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