1. /
  2. Security Response/
  3. JS/VBS.LostSoul.Worm


Risk Level 1: Very Low

September 7, 2000
February 13, 2007 11:55:43 AM
Also Known As:
NETWORK/OUTLOOK.FakeHoax, JS/Wobble.worm

JS/VBS.LostSoul.Worm is a worm that spreads via email. When executed, it displays a text file containing the Wobbler Hoax. The attachment in the email message is named Wobbler.txt.jse or Wobbler.txt.vbe. When opened, these attachments create and execute a temporary file containing malicious code.

The worm also spreads via networks by copying itself to the root directories of shared drives. The worm originated in Argentina. As of September 8th, SARC has had no reports of this virus being in the wild.

Antivirus Protection Dates

  • Initial Rapid Release version September 8, 2000
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version September 8, 2000
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date pending
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Low


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Neal Hindocha

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report