| Release Date | Oct 22, 2009 |
| Severity | Critical |
| Impact | Attackers can gain control over the victim system and link it into P2P networks that can be used to send large amount of spam emails or launch Denial-of-Service attacks. |
| Description | It indicates that the system might be infected by the Waledac trojan. |
| Affected Products | Any unprotected Windows system is vulnerable to the attack. |
| Recommended Actions | Apply anti-virus protection to vulnerable systems. |
| Reference/s | http://us.trendmicro.com/imperia/md/content/us/pdf/threats/securitylibrary/infiltrating_the_waledac_botnet_v2.pdf
|