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Published Nov 19, 2004 | Updated Sep 15, 2017

Worm:Win32/Sober.I@mm

Detected by Microsoft Defender Antivirus

Aliases: WORM_SOBER.I (Trend Micro) W32.Sober.I@mm (Symantec) W32/Sober.j@MM (McAfee) Win32.Sober.I (CA)

Summary

Win32/Sober.I@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm sends itself as an attachment to e-mail addresses that it finds on an infected computer. The worm is activated when a user opens the attachment. 
To remove Win32/Sober.I@mm, you must use a removal tool such as the Windows Malicious Software Removal Tool, or a tool provided by a member of the Virus Information Alliance.
 
After you remove Win32/Sober.I@mm from an infected computer, it is important to take steps to prevent re-infection. Do not reconnect your computer to the Internet until the computer is protected from re-infection. See the "Preventing Infection" section for more information.
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