| Date | Risk | Origin | Findings |
| 1/8/2010 7:56:14 AM |
 |
n/a |
Worm.Welchia, W32.Welchia.Worm, W32/Nachi.worm.a, WORM_NACHI.H, W32/Nachi-A.. |
| 12/23/2009 7:50:48 PM |
 |
n/a |
Net-Worm.Welchia, W32.Welchia.Worm, Net-Worm.Win32.Welchia.s, Generic.dx.. |
| 9/20/2007 4:38:16 AM |
 |
n/a |
Net-Worm.Welchia!sd5, Net-Worm.Win32.Welchia.b, W32.Welchia.B.Worm, Generic.dv.. |
| 9/19/2007 1:27:10 PM |
 |
n/a |
Net-Worm.Welchia!sd5, Net-Worm.Win32.Welchia.g, W32.Welchia.D.Worm.. |
|