1. Symantec/
  2. Security Response/
  3. W32.HLLW.Oror.C@mm


Risk Level 2: Low

January 22, 2003
February 13, 2007 11:42:30 AM
Also Known As:
Systems Affected:

W32.HLLW.Oror.C@mm is a mass-mailing worm and a variant of W32.HLLW.Oror@mm. This worm attempts to spread using email, mIRC, KaZaA, network shares, and mapped drives. It also attempts to terminate and remove various security products from the infected computer.

This threat is written in the C++ language and is compressed with UPX. The uncompressed size is about 166 KB.

Antivirus Protection Dates

  • Initial Rapid Release version January 23, 2003
  • Latest Rapid Release version August 5, 2017 revision 019
  • Initial Daily Certified version January 23, 2003
  • Latest Daily Certified version August 6, 2017 revision 001
  • Initial Weekly Certified release date January 29, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Robert X Wang

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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