W32.HLLW.Gaobot.AO is a minor variant of
W32.HLLW.Gaobot.AF. It attempts to spread to network shares that have weak passwords and allows hackers to access an infected computer through IRC.
The worm uses multiple vulnerabilities to spread, including:
W32.HLLW.Gaobot.AO is compressed with UPX.
Note: Virus definitions dated prior to October 1, 2003 may detect this worm as a hack tool.
Note: Virus definitions dated November 19, 2003 and later contain a modified W32.HLLW.Gaobot.AO signature to account for the discovery of a minor variant.
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