Outbreak Name: Multiple Stration Variants
Outbreak Date: Sept - Nov 2006
Background
- "Stration" is a mass-mailing worm
- From September - November virus writers released waves of Stration variants, designed to entice recipients to open messages by claiming to be security alerts or email bounces
- Many Stration variants contained spam engines that were used to send spam from infected PCs
Virus Outbreak Filters Results
- Effectively protected against Stration outbreaks with 14 different targeted Outbreak Rules as well as "always" on Adaptive Rules
- Average lead time: 5 hours 43 minutes
- During outbreak, ~ 2.4M Stration messages were quarantined by VOF customers
- Over $47M in customer savings
Timeline
Assumes 10% of messages opened and $200 per-desktop clean up costs.
* As named by Sophos.
** Calculated as publicly published signatures from the following vendors: Sophos, Trend Micro, Computer Associates, F-Secure, Symantec and McAfee. If signature time is not available, first publicly published alert time is used.
