Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
If the infection is in a local network, please follow the instructions on this webpage:
Net-Worm:W32/Nimda.E is not compressed. It uses the same techniques as Nimda.A, except it spreads itself with SAMPLE.EXE file name.
Other minor differences are as follows:
This version of Nimda has few serious bugs that allow it to infect files several times and to jam NT systems considerably.
On October 30th, F-Secure received reports of live infections in Germany and Sweden. On October 31st, we received further reports from USA, China, France, Norway, Finland and Spain.
Apparently the author of Nimda was offended because his virus wasn't named "Concept Virus" like he wanted. The virus code contains a copyright text string which is never displayed, saying "Concept Virus(CV) V.6, Copyright(C)2001, (This's CV, No Nimda.)"
The actual lifecycle of Nimda can be split to four parts:
Date Created: -
Date Last Modified: -