W32.Nicehello@mm

Risk Level 2: Low

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Discovered:: March 10, 2003
Updated:: February 13, 2007 11:43:58 AM
Also Known As:: W32/Nicehello-A [Sophos], WORM_NICEHELLO.A [Trend], W32/Nicehello@MM [McAfee], I-Worm.Nicehello [KAV], Win32.NiceHello.A [CA]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Nicehello@mm is a worm that sends itself to all the contacts in the Windows Address Book. The email has various subjects and attachments. The attachment will have a .exe file extension.

W32.Nicehello@mm attempts to steal MSN Messenger passwords.

Antivirus Protection Dates

Initial Rapid Release version March 10, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 10, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 12, 2003

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Medium
Number of Infections: 50 - 999
Number of Sites: More than 10
Geographical Distribution: Medium
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: High

Writeup By: Atli Gudmundsson

Technical Details

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Internet Security Threat Report, Volume 16