VBS.Jolin.int

This script is intended to be a mass-mailing worm that spreads using mIRC and Microsoft Outlook. The samples of the worm that the Symantec AntiVirus Research Center (SARC) has received from customers were not able to spread due to bugs in the worm's code. Because of this, on July 5, 2001, the threat assessment was downgraded from level 2 to level 1.

NOTE: Virus definitions prior to June 28, 2001, detect this worm as Bloodhound.VBS.Worm



All samples received by SARC have a minor bugs in them which cause the worm not to work as intended.

Protection

• Initial Rapid Release version June 28, 2001
• Latest Rapid Release version April 28, 2009 revision 052
• Initial Daily Certified version June 28, 2001
• Latest Daily Certified version April 29, 2009 revision 003
• Initial Weekly Certified release date pending

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

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

Damage

• Damage Level: Low

Distribution

• Distribution Level: Low