Nuowei Ge virus

This Nuowei Ge (Novarg) virus, also known as MyDoom, it also would leave a back door in the user's operating system. The virus was later produced many variants, the initial Nuowei Ge virus has two triggers.

The first program in the February 1, 2004 start to launch denial-of-service attack (DoS), the second program in the February 12, 2004 to stop the virus self-replication. But after a virus attack to stop, leaving the back doors still have harmful [Data: Symantec].

Soon after, another outbreak of the virus to several search engines a mortal blow. And other viruses, Nuowei Ge virus infected users computer search for the contact list, then send the message. In addition, it will send search requests to search engines to search the mailbox and then send e-mail. This led to Google like search engine receive millions of search requests, so that they become very slow service and even server crashes [Data: Sullivan].

Nuowei Ge virus through e-mail and P2P networks to spread. According to Internet security firm MessageLabs information, then every 12 will have a message carrying the virus [data: BBC]. And cover letter similar to the virus, the virus will be carried out e-mail sender Nuowei Ge camouflage, which makes the virus through e-mail inquiries, the source extremely difficult.

Strange computer virus

Not all computer viruses are broken ring or network. Some viruses cause computers to a variety of strange changes occur. Early virus called table tennis table in the computer to generate a constant jump ball, but it will not harm the computer. Funny virus will give you a lot of that computer viruses, and it does not cause any harm, not self-replicate. If you do not trust it, you can use anti-virus software to remove them.