Malware type: Worm

Aliases: Net-Worm.Win32.Nimda.b (Kaspersky), W32/Nimda.b@MM (McAfee), W32.Nimda.B@mm (dr) (Symantec), Worm/Nimda-B3 (Avira), W32/Nimda-F (Sophos),

In the wild: Yes

Destructive: Yes

Language: English

Platform: Windows 95, 98, ME, NT, 2000, XP

Encrypted: No

Description: 
This compressed variant of PE_NIMDA.A has the same capabilities as PE_NIMDA.A except that it overwrites target files, and uses a different subject line and attached file. PE_NIMDA.A is fast-spreading Internet worm and file infector that arrives via email, as an attachment. It employs several infection mechanisms and exploits various known vulnerabilities.

For additional information about this threat, see:
Solution
Technical Details

Description created: Oct. 9, 2001 4:34:45 AM GMT -0800
Description updated: Oct. 9, 2001 8:45:57 AM GMT -0800

Search a new malware

Tell us how we did. Take our quick survey.