W32.Femot.Worm

Risk Level 2: Low

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Discovered: June 4, 2003

Updated: February 13, 2007 12:02:03 PM

Also Known As: W32/MoFei.worm [McAfee], WORM_MOFEI.A [Trend], WORM_MOFEI.B [Trend], W32/Mofei-A [Sophos], Backdoor.Mofeir.101 [KAV], Worm.Win32.Mofeir.b [KAV], Win32.Mofei.A [CA], Win32.Mofei.B [CA]

Type: Worm

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Femot.Worm is a worm that attempts to spread through a local network. The worm attempts to use ports 135 and 139. W32.Femot.Worm also has Backdoor capabilities.

Symantec Security Response has created a tool to remove W32.Femot.Worm, which is the easiest way to remove this threat.

Protection

Initial Rapid Release version June 4, 2003
Latest Rapid Release version June 26, 2009 revision 033
Initial Daily Certified version June 4, 2003
Latest Daily Certified version June 26, 2009 revision 041
Initial Weekly Certified release date June 4, 2003

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

Threat Assessment

Wild

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

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Kaoru Hayashi

Technical Details

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