W32.Gaobot.WO is a variant of W32.Gaobot.gen.
It attempts to spread through network shares that have weak passwords. It also allows attackers to access an infected computer through a predetermined IRC channel.
The worm uses multiple vulnerabilities to spread, including:
W32.Gaobot.WO is packed with FSG.
Virus definitions version 60404al (extended version 4/4/2004 rev. 38) detect this threat as W32.HLLW.Gaobot.gen.
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