W32/Botmirc.A

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W32/Botmirc.A Destructivity: Spreading: Overall risk:
  
• Detected by virus detection files published: 3/11/2003 • Type: Security Risk
• Virus characteristics first published: 3/11/2003 • Spreading mechanism:
• Virus characteristics latest update: 12/17/2003 • Overall risk: Low
• Infection type: Microsoft Windows 95/98/98 SE/ME/NT 4/2000/XP/2003/Vista  

Virus type Spreading
mechanism 		Destructivity
and payload 		Additional
descriptions 		Detection
and removal
This is not a virus or trojan, but a commercial application which is used as a tool by several backdoors and denial-of-service tools.

The original version of this application, MIRC32.EXE, is a very popular Internet Relay Chat client, and is not detected by NVC.

The only difference between the original version and Botmirc is that Botmirc is packed using a known compression program, and is as such easy to distinguish from the original.

It is important to understand that Botmirc is not malicious per se; instead it provides functions that enables backdoors and DOS tools to be remote controlled from IRC.
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